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Publications — John H. Enemark
Davis, A. C.; Cornelison, M. J.; Meyers, K. T.; Rajapakshe, A.; Berry, R. E.; Tollin, G.; Enemark, J. H. “Effects of
Mutating Aromatic Surface Residues of the Heme Domain of Human Sulfite Oxidase on its Heme Midpoint
Potential, Intramolecular Electron Transfer, and Steady-State Kinetics.” Dalton Trans. 2013, 42, 3043-3049
(DOI:10.1039/C2DT31508D), Invited contribution to themed issue on Bioinorganic Chemistry.
Klein, E. L.; Astashkin, A. V.; Raitsimring, A. M.; Enemark, J. H. “Applications of Pulsed EPR Spectroscopy to
Structural Studies of Sulfite Oxidizing Enzymes.” Coord. Chem. Rev. 2013, 257, 110–118
(doi.org/10.1016/j.ccr.2012.05.038), Invited contribution to special issue in honor of 65th birthday of Prof. E. I.
Solomon.
Raitsimring, A.; Astashkin, A. V.; Enemark, J. H.; Kaminker, I.; Goldfarb, D.; Walter, E. D.; Song, Y.; Meade, T. J.
“Optimization of Pulsed DEER Measurements for Gd-Based Labels: Choice of Operational Frequencies, Pulse
Durations and Positions, and Temperature.” Appl. Magn. Reson. 2012, DOI 10.1007/s00723-012-0434-6, Online
First, Dec. 29, 2012.
Rajapakshe, A.; Tollin, G.; Enemark, J. H. “Kinetic and Thermodynamic Effects of Mutations of Human Sulfite
Oxidase.” Chem. Biodiversity, 2012, 9, 1621-1634 (doi: 10.1002/cbdv.201200010), Invited contribution to Special
ICBIC 15 Issue.
Astashkin, A. V.; Rajapakshe, A.; Cornelison, M. J.; Johnson-Winters, K.; Enemark, J. H. “Determination of the
Distance Between the Mo(V) and Fe(III) Heme Centers of Wild Type Human Sulfite Oxidase by Pulsed EPR
Spectroscopy.” J. Phys. Chem. B, 2012, 116, 1942–1950 (DOI: 10.1021/jp210578f).
Raitsimring, A.; Astashkin, A.; Enemark, J. H.; Blank, A.; Twig, Y.; Song, Y.; Meade, T. J. “Di-electric Resonator
for Ka-Band Pulsed EPR Measurements at Cryogenic Temperatures.
Probehead Construction and
Applications.” Appl. Magn. Reson. 2012, 42, 441-452, (DOI: 10.1007/s00723-012-0313-1).
Klein, E. L; Raitsimring, A. M.; Astashkin, A. V.; Rajapakshe, A.; Johnson-Winters, K.; Arnold, A. R.; Potapov, A.;
Goldfarb, D.; Enemark, J. H. “The Identity of the Exchangeable Sulfur-Containing Ligand at the Mo(V) Center of
R160Q Human Sulfite Oxidase.” Inorg. Chem. 2012, 51, 1408–1418 (DOI: 10.1021/ic201643t).
Rajapakshe, A.; Meyers, K. T.; Berry, R. E.; Tollin, G; Enemark, J. H. “Intramolecular Electron Transfer in Sulfiteoxidizing Enzymes: Probing the Role of Aromatic Amino Acids.” J. Biol. Inorg. Chem. 2012, 17, 345-352 (DOI:
10.1007/s00775-011-0856-x).
Wiebelhaus, N. J.; Cranswick, M. A.; Klein, E. L.; Lockett, L. T.; Lichtenberger, D. L.; Enemark, J. H. “MetalSulfur Valence Orbital Interaction Energies in Metal–Dithiolene Complexes: Determination of Charge and Overlap
Interaction Energies by Comparison of Core and Valence Ionization Energy Shifts.” Inorg. Chem. 2011, 50, 11021–
11031 (DOI: 10.1021/ic201566n), November cover article.
Rajapakshe, A.; Astashkin, A. V.; Klein, E. L.; Reichmann, D.; Mendel, R. R.; Bittner, F.; Ene-mark, J. H.
“Structural Studies of the Molybdenum Center of Mitochondrial Amidoxime Reduc-ing Component (mARC) by
Pulsed EPR Spectroscopy and 17O-Labeling.” Biochemistry, 2011, 50, 8813–8822 (DOI: 10.1021/bi2005762).
Enemark, J. H.; Raitsimring, A. M.; Astashkin, A. V.; Klein, E. L. “Implications for the Mechanism of Sulfite
Oxidizing Enzymes from Pulsed EPR Spectroscopy and DFT Calculations for “Difficult” Nuclei.” Faraday
Discuss. 2011, 148, 249-267 (DOI: 10.1039/c004404k).
March 2011
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Johnson-Winters, K.; Nordstrom, A. R.; Davis, A. C.; Tollin, G.; Enemark, J. H. “Effects of Large Scale Amino Acid
Substitution in the Polypeptide Tether Connecting the Heme and Molybdenum Domains on Catalysis in Human
Sulfite Oxidase.” Metallomics, 2010, 2, 766-770 (DOI: 10.1039/c0mt00021c).
Johnson-Winters, K.; Nordstrom, A. R.; Davis, A. C.; Tollin, G.; Enemark, J. H. “Effects of Large Scale Amino Acid
Substitution in the Polypeptide Tether Connecting the Heme and Molybdenum Domains on Catalysis in Human
Sulfite Oxidase.” Metallomics, 2010, 2, 766-770 (DOI: 10.1039/c0mt00021c).
Johnson-Winters, K.; Tollin, G.; Enemark, J. H. “Elucidating the Catalytic Mechanism of Sulfite Oxidizing Enzymes
using Structural, Spectroscopic and Kinetic Analyses.” Biochemistry, 2010, 49, 7242–7254 (DOI:
10.1021/bi1008485).
Rajapakshe, A.; Johnson-Winters, K.; Nordstrom, A. R.; Meyers, K. T.; Emesh, S.; Astashkin, A. V.; Enemark, J. H.
“Characterization of Chloride-Depleted Human Sulfite Oxidase by EPR Spectroscopy: Experimental Evidence for
the Role of Anions in Product Release.” Biochemistry 2010, 49, 5154–5159 (DOI: 10.1021/bi902172n).
Enemark, J. H.; Astashkin, A. V.; Raitsimring, A. M. “High Resolution EPR Spectroscopy of Mo-Enzymes. Sulfite
Oxidases: Structural and Functional Implications” in Biological Magnetic Resonance; Vol. 29: Metals in Biology:
Applications of High Resolution EPR to Metalloenzymes; Hanson, G. R. and Berliner, L. J., Eds.; Springer, New
York, 2010, pp. 121-168.
Johnson-Winters, K.; Nordstrom, A. R.; Emesh, S.; Astashkin, A. V.; Rajapakshe, A.; Berry, R. E.; Tollin, G.;
Enemark, J. H. “Effects of Interdomain-Tether Length and Flexibility on the Kinetics of Intramolecular Electron
Transfer in Human Sulfite Oxidase.” Biochemistry 2010, 49, 1290–1296 (DOI: 10.1021/bi9020296).
Rapson, T. D.; Astashkin, A. V.; Johnson-Winters, K.; Bernhardt, K. V.; Kappler, U.; Raitsimring, A. M.; Enemark,
J. H. “Pulsed EPR Investigations of the Mo(V) Centers of the R55Q and R55M Variants of Sulfite Dehydrogenase
from Starkeya novella.” J. Biol. Inorg. Chem. 2010,15, 505–514 (DOI: 10.1007/s00775-009-0619-0).
Vannucci, A. K.; Snyder, R. A.; Gruhn, N. E.; Lichtenberger, D. L.; Enemark, J. H. “New Insights into Solvolysis
and Reorganization Energy from Gas-Phase, Electrochemical, and Theoretical Studies of Oxo-Tp*Mo(V)
Molecules.” Inorg. Chem. 2009, in press (doi: 10.1021/ic9011058).
Astashkin, A. V.; Klein, E. L.; Ganyushin, D.; Johnson-Winters, K.; Neese, F.; Kappler, U.; Enemark, J. H.
“Exchangeable Oxygens in the Vicinity of the Molybdenum Center of the High-pH Form of Sulfite Oxidase and
Sulfite Dehydrogenase.” Phys. Chem. Chem. Phys. 2009, 11, 6733–6742 (doi: 10.1039/b907029j).
Rajapakshe, A.; Snyder, R. A.; Astashkin, A. V.; Bernardson, P.; Evans, D. J.; Young, C. G.; Evans, D. H.;
Enemark, J. H. “Insight into the Nature of Mo(V) Species in Solution: Modeling Catalytic Cycles for Molybdenum
Enzymes.” Inorg. Chim. Acta 2009, 362, 4603–4608 (doi: 10.1016/j.ica.2009.05.040).
Klein, E. L.; Astashkin, A. V.; Ganyushin, D.; Riplinger, C.; Johnson-Winters, K.; Neese, F.; Enemark, J. H.
“Direct Detection and Characterization of Chloride in the Active Site of the Low-pH Form of Sulfite Oxidase
Using ESEEM Spectroscopy, Isotopic Labeling, and DFT Calculations.” Inorg. Chem. 2009, 48, 4743–4752
(doi:10.1021/ic801787s)
Emesh, S.; Rapson, T. D.; Rajapakshe, A.; Kappler, U.; Bernhardt, P. V.; Tollin, G.; Enemark, J. H.
“Intramolecular Electron Transfer in Sulfite Oxidizing Enzymes: Elucidating the Role of a Conserved Active Site
Arginine.” Biochemistry 2009, 48, 2156–2163 (DOI: 10.1021/bi801553q).
March 2011
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Bailey, S.; Rapson, T.; Johnson-Winters, K.; Astashkin, A. V.; Enemark, J. H.; Kappler, U. “Molecular Basis for
Enzymatic Sulfite Oxidation--How Three Conserved Active Site Residues Shape Enzyme Activity.” J. Biol.
Chem. 2009, 284, 2053-2063 (doi:10.1074/jbc.M807718200).
Enemark, J.H.; Astashkin, A.V.; Raitsimring, A.M. “Structures and Reaction Pathways of the Molybdenum
Centers of Sulfite Oxidizing Enzymes by Pulsed EPR Spectroscopy.” Biochem. Soc. Trans. 2008, 36, 1129-1133
(doi: 10.1042/BST0361129).
Cranswick, M. A.; Gruhn, N. E.; Enemark, J. H.; Lichtenberger, D. L. “Electronic Structure of the d¹ Bent
metallocene Cp2VCl2: A Photoelectron and Density Functional Study.” J. Organometal. Chem. 2008, 693,
1621-1627 (doi.org/10.1016/j.jorganchem.2007.12.035).
Astashkin, A. V.; Johnson-Winters, K.; Klein, E. L.; Feng, C.; Wilson, H. L.; Rajagopalan, K. V.; Raitsimring,
A. M.; Enemark, J. H. “Structural studies of the molybdenum center of the pathogenic R160Q mutant of human
sulfite oxidase by pulsed EPR spectroscopy and 17O and 33S labeling.” J. Am. Chem. Soc. 2008, 130, 8471–8480
(DOI: 10.1021/ja801406f).
Cranswick, M. A.; Gruhn, N. E.; Enemark, J. H.; Lichtenberger, D. L. “Electronic Structure of the d¹
Bent-metallocene Cp2VCl2: A Photoelectron and Density Functional Study.” J. Organometal. Chem. 2008, 693,
1621-1627 (doi.org/10.1016/j.jorganchem.2007.12.035).
Raitsimring, A. M.; Astashkin, A. V.; Feng, C.; Wilson, H. L.; Rajagopalan, K. V.; Enemark, J. H. “Studies of
the Mo(V) Center of the Y343F Mutant of Human Sulfite Oxidase by Variable Frequency Pulsed EPR
Spectroscopy.” Inorg. Chim. Acta 2008, 361, 941–946 (doi:10.1016/j.ica.2007.05.023).
Cranswick, M. A.; Dawson, A.; Cooney, J. J. A.; Gruhn, N. E.; Lichtenberger, D. L.; Enemark, J. H.
“Photoelectron Spectroscopy and Electronic Structure Calculations of d1 Vanadocene Compounds with Chelated
Dithiolate Ligands: Implications for Pyranopterin Mo/W Enzymes.” Inorg. Chem. 2007, 46, 10639-10646 (doi:
10.1021/ic020641q).
Astashkin, A. V.; Johnson-Winters, K.; Klein, E. L.; Byrne, R. S.; Hille, R.; Raitsimring, A. M.; Enemark, J. H.
“Direct Demonstration of the Presence of Coordinated Sulfate in the Reaction Pathway of Arabidopsis thaliana
Sulfite Oxidase Using 33S Labeling and ESEEM Spectroscopy.” J. Am. Chem. Soc. 2007, 129, 14800-14810 (doi:
10.1021/ja0704885).
Astashkin, A. V.; Klein, E. L.; Enemark, J. H. “Toward Modeling the High Chloride, Low pH Form of Sulfite
Oxidase: Ka-Band ESEEM of Equatorial Chloro Ligands in Oxomolybdenum(V) Complexes.” J. Inorg.
Biochem. 2007, 101, 1623-1629 (doi:10.1016/j.jinorgbio.2007.05.015).
Feng, C.; Tollin, G.; Enemark, J. H. “Sulfite Oxidizing Enzymes.” Biochim. Biophys. Acta 2007, 1774, 527–539
(doi:10.1016/j.bbapap.2007.03.006).
Enemark, J. H.; Astashkin, A. V.; Raitsimring, A. M. “High Resolution EPR Spectroscopy of Mo-Enzymes.
Sulfite Oxidases: Structural and Functional Implications” in Biological Magnetic Resonance. Vol. 29. Metals in
Biology: Applications of High Resolution EPR to Metalloenzymes, Hanson, G. R. and Berliner, L. J., Eds.;
Springer, accepted for publication.
Kappler, U.; Bailey, S.; Feng, C.; Honeychurch, M. J.; Hanson, G. R.; Bernhardt, P. V.; Tollin, G.; Enemark, J.
H. “Kinetic and Structural Evidence for the Importance of Tyr236 for the Integrity of the Mo-Active Site in a
Bacterial Sulfite Dehydrogenase.” Biochemistry 2006, 45, 9696-9705 (10.1021/bi060058b).
March 2011
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Enemark, J. H.; Astashkin, A. V.; Raitsimring, A. M. “Investigation of the Coordination Structures of the
Molybdenum(V) Sites of Sulfite Oxidizing Enzymes by Pulsed EPR Spectroscopy.” Dalton Trans. 2006, 35013514 (10.1039/b602919a).
Feng, C.; Tollin, G.; Holliday, M. A.; Thomas, C.; Salerno, J. C.; Enemark, J. H.; Ghosh, D. K. “Intraprotein
Electron Transfer in a Two-Domain Construct of Neuronal Nitric Oxide Synthase: The Output State in Nitric
Oxide Formation.” Biochemistry 2006, 45, 6354-6362 (10.1021/bi060223n).
Astashkin, A. V.; Enemark, J. H.; Raitsimring, A. “26.5-40 GHz Ka -Band Pulsed EPR Spectrometer.” Concepts
Magn. Reson. Part B (Magn. Reson. Engineering) 2006, 29B, 125-136 (10.1002/cmr.b).
Feng, C.; Thomas, C.; Holliday, M. A.; Tollin, G.; Salerno, J. C.; Ghosh, D. K.; Enemark, J. H. “Direct
Measurement by Laser Flash Photolysis of Intramolecular Electron Transfer in a Two-Domain Construct of
Murine Inducible Nitric Oxide Synthase.” J. Am. Chem. Soc. 2006, 128, 3808-3811 (10.1021/ja0578606).
Inscore, F. E.; Knottenbelt, S.; Rubie, N. D.; Joshi, H. K.; Kirk, M. L.; Enemark, J. H. “Understanding the Origin
of Metal-Sulfur Vibrations in an Oxo-Molybdenum Dithiolene Complex: Relevance to Sulfite Oxidase.” Inorg.
Chem. 2006, 45, 967-976 (10.1021/ic0506815).
Astashkin, A. V.; Neese, F.; Raitsimring, A. M.; Cooney, J. J. A.; Bultman, E.; Enemark, J. H. “Pulsed EPR
Investigations of Systems Modeling Molybdenum Enzymes: Hyperfine and Quadrupole Parameters of Oxo-17O
in [Mo17O(SPh)4]- .” J. Am. Chem. Soc. 2005, 127, 16713-16722 (10.1021/ja055472y).
Enemark, J. H.; Cooney, J. J. A., “Mo and W Enzyme Models” in Concepts and Models in Bioinorganic
Chemistry; Kraatz, H.-B.; Metzler-Nolte, N., Eds; Wiley-VCH: Weinheim, Germany, 2006, pp 237-257.
Feng, C.; Wilson, H. L.; Tollin, G.; Astashkin, A. V.; Hazzard, J. T.; Rajagopalan, K. V.; Enemark, J. H. “The
Pathogenic Human Sulfite Oxidase Mutants G473D and A208D are Defective in Intramolecular Electron
Transfer.” Biochemistry 2005, 44, 13734-13743 (10.1021/bi050907f).
Raitsimring, A. M.; Kappler, U.; Feng, C.; Astashkin, A. V.; Enemark, J. H. “Pulsed EPR Studies of a Bacterial
Sulfite-Oxidizing Enzyme with pH Invariant Hyperfine Interactions from Exchangeable Protons.” Inorg. Chem.
2005, 44, 7283-7285, (10.1021/ic0509534).
Astashkin, A. V.; Hood, B. L.; Feng, C.; Hille, R.; Mendel, R. R.; Raitsimring, A. M.; Enemark, J. H. “Structures
of the Mo(V) Forms of Sulfite Oxidase from Arabidopsis thaliana by Pulsed EPR Spectroscopy.” Biochemistry,
2005, 44, 13274-13281, (10.1021/bi051220y).
Cosper, M. M.; Neese, F.; Astashkin, A. V.; Carducci, M. D.; Raitsimring, A. M.; Enemark, J. H.
"Determination of the g-Tensors and their Orientations for cis, trans-(L-N2S2)MoVOX (X=Cl, SCH2Ph) by Single
Crystal EPR Spectroscopy and Molecular Orbital Calculations." Inorg. Chem., 2005, 44, 1290-1301,
(10.1021/ic0483850).
Astashkin, A. V.; Feng, C.; Raitsimring, A. M.; Enemark, J. H. “17O ESEEM Evidence for Exchange of the Axial
Oxo Ligand in the Molybdenum Center of the High pH Form of Sulfite Oxidase.” J. Am. Chem. Soc. 2005, 127,
502-503, (10.1021/ja0461466).
Cooney, J. J. A.; Cranswick, M. A.; Gruhn, N. E.; Joshi, H. K.; Enemark, J. H. “The Electronic Structure of Bent
Titanocene Complexes with Chelated Dithiolate Ligands.” Inorg. Chem. 2004, 43, 8110-8118,
(10.1021/ic049207+).
March 2011
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Joshi, H. K.; Enemark, J. H. "Geometrical Control of the Active Site Electronic Structure of
Pyranopterin Enzymes by Metal-Dithiolate Folding: Aldehyde Oxidase." J. Am. Chem. Soc. 2004, 126, 1178411785, (10.1021/ja046465x).
Nagarajan, K.; Joshi, H. K.; Chaudhury, P. K.; Pal, K.; Cooney, J. J. A.; Enemark, J. H.; Sarkar, S. “A Structural
and Functional Analogue of the Active Site of Polysulfide Reductase from Wolinella succinogenes.” Inorg.
Chem. 2004, 43, 4532-4533.
Feng, C.; Kappler, U.; Tollin, G.; Enemark, J. H. “Intramolecular Electron Transfer in a Bacterial Sulfite
Dehydrogenase.” J. Am Chem. Soc. 2003, 125, 14696-14697.
Joshi, H. K.; Arvin, M. E.; Durivage, J. C.; Gruhn, N. E.; Carducci, M. D.; Westcott, B. L.; Lichtenberger, D. L.;
Enemark, J. H. "Photoelectron Spectra of Potassium Salts of Hydrotris(1-pyrazolyl)borates: Electronic Structure
of the Electron Withdrawing Scorpionates Tp(CF3)2, Tp*Cl and Comparison to Tp* and Tp." Polyhedron 2004, 23,
429-438.
Feng, C.; Wilson, H. L.; Hurley, J. K.; Hazzard, J. T.; Tollin, G.; Rajagopalan, K. V.; Enemark, J. H. “Essential
Role of Conserved Arginine 160 in Intramolecular Electron Transfer in Human Sulfite Oxidase.” Biochemistry
2003, 42, 12235-12242.
Enemark, J. H.; Cooney, J. J. A.; Wang, J-J.; Holm, R. H. “Synthetic Analogues and Reaction Systems Relevant
to the Molybdenum and Tungsten Oxotransferases.” Chem. Rev. 2004, 104, 1175-1200.
Joshi, H. K.; Cooney, J. J. A.; Inscore, F. E.; Gruhn, N. E.; Lichtenberger, D. L.; Enemark, J. H. “Investigation
of Metal-Dithiolate Fold Angle Effects by Gas-Phase Photoelectron Spectroscopy and Density Functional
Calculations: Implications for Molybdenum Enzymes.” Proc. Natl. Acad. Sci. U.S.A. 2003, 100, 3719-3724.
Feng, C.; Wilson, H. L.; Hurley, J. K.; Hazzard, J. T.; Tollin, G.; Rajagopalan, K. V.; Enemark, J. H. “Role of
Conserved Tyrosine 343 in Intramolecular Electron Transfer in Human Sulfite Oxidase.” J. Biol. Chem. 2003,
278, 2913-2920.
Enemark, J. H.; Astashkin, A. V.; Raitsimring, A. M. "Variable Frequency Pulsed EPR Studies of Molybdenum
Enzymes." In Paramagnetic Resonance of Metallobiomolecules; Telser, J., Ed.; ACS Symposium Series 858;
American Chemical Society: Washington, D.C., 2003, pp 179-192.
Elliott, S. J.; McElhaney, A. E.; Feng, C.; Enemark, J. H.; Armstrong, F. A. “A Voltammetric Study of
Interdomain Electron Transfer within Sulfite Oxidase.” J. Am. Chem. Soc. 2002, 124, 11612-11613.
Cooney, J. J. A.; Carducci, M. D.; McElhaney, A. E.; Selby, H. D.; Enemark, J. H. “New Oxovanadium Bis(1,2dithiolate) Compounds that Mimic the Hydrogen-Bonding Interactions at the Active Sites of Mononuclear
Molybdenum Enzymes.” Inorg. Chem. 2002, 41, 7086-7093.
Joshi, H. K.; Inscore, F. E.; Schirlin, J.T.; Dhawan, I. K.; Carducci, M. D.; Bill, T. G.; Enemark, J. H. “Six-
Coordinate Molybdenum Nitrosyls with a Single Ene-1,2-Dithiolate Ligand.” Inorg. Chim. Acta 2002, 337, 275286.
McNaughton, R. L.; Helton, M. E.; Cosper, M. M.; Enemark, J. H.; Kirk, M. L. “Nature of the
OxomolybdenumThiolate π Bond: Implications for MoS Bonding in Sulfite Oxidase and Xanthine Oxidase.”
Inorg. Chem. 2004, 43, 1625-1637.
March 2011
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Raitsimring, A. M.; Astashkin, A. V.; Feng, C.; Enemark, J. H.; Nelson, K. J.; Rajagopalan, K. V. “Pulsed EPR
Studies of the Exchangeable Proton at the Molybdenum Center of Dimethyl Sulfoxide Reductase.” JBIC, J.
Biol. Inorg. Chem. 2003, 8, 95-104.
Wang, X-B.; Inscore, F. E.; Yang, X.; Cooney, J. J. A.; Enemark, J. H.; Wang, L-S. “Probing the Electronic
Structure of [MoOS4]- Centers Using Anionic Photoelectron Spectroscopy.” J. Am. Chem. Soc. 2002, 124,
10182-10191.
McElhaney, A. E.; Inscore, F. E.; Schirlin, J. T.; Enemark, J. H. “Electron Transfer Studies of Dithiolate
Complexes: Effects of Ligand Variation and Metal Substitution.” Inorg. Chim. Acta 2002, 341, 85-90.
Astashkin, A. V.; Raitsimring, A. M.; Feng, C.; Johnson, J. L.; Rajagopalan, K. V.; Enemark, J. H. “The Mo-OH
Proton of the Low pH Form of Sulfite Oxidase: Comparison of the Hyperfine Interactions Obtained from Pulsed
ENDOR, CW-EPR and ESEEM Measurements.” Appl. Magn. Reson. 2002, 22, 421-430.
Feng, C.; Kedia, R. V.; Hazzard, J. T.; Hurley, J. K.; Tollin, G.; Enemark, J. H. “Effect of Solution Viscosity on
Intramolecular Electron Transfer in Sulfite Oxidase.” Biochemistry 2002, 41, 5816-5821.
Graff, J. N.; McElhaney, A. E.; Basu, P.; Gruhn, N. E.; Chang, C.-S. J.; Enemark, J. H. “Electrochemistry and
Photoelectron Spectroscopy of Oxomolybdenum(V) Complexes with Phenoxide Ligands: Effect of para
Substituents on Redox Potentials, Heterogeneous Electron Transfer Rates, and Ionization Energies.” Inorg.
Chem. 2002, 41, 2642-2647.
Astashkin, A. V.; Raitsimring, A. M.; Feng, C.; Johnson, J. L.; Rajagopalan, K. V.; Enemark, J. H. “Pulsed EPR
Studies of Non-Exchangeable Protons Near the Mo(V) Center of Sulfite Oxidase: Direct Detection of the
α-Proton of the Coordinated Cysteinyl Residue and Structural Implications for the Active Site.” J. Am. Chem.
Soc. 2002, 124, 6109-6118.
Inscore, F. E.; Joshi, H. K.; McElhaney, A.; Enemark, J. H. “Remote Ligand Substituent Effects on the Properties
of Oxo-Mo(V) Centers with a Single Ene-1,2-Dithiolate Ligand.” Inorg. Chim. Acta 2002, 331, 246–256.
Codd, R.; Astashkin, A. V.; Pacheco, A.; Raitsimring, A. M.; Enemark, J. H. “Pulsed ELDOR Spectroscopy of
the Mo(V)/Fe(III) State of Sulfite Oxidase Prepared by One-Electron Reduction with Ti(III) Citrate.” JBIC, J.
Biol. Inorg. Chem. 2002, 7, 338-350.
Enemark, J. H.; Cosper, M. M. “Molybdenum Enzymes and Sulfur Metabolism.” In Metal Ions in Biological
Systems; Vol. 39: Molybdenum and Tungsten. Their Roles in Biological Processes; Sigel, A.; Sigel, H., Eds.;
Marcel Dekker, Inc.: New York, 2002, pp 621-654.
McMaster, J.; Carducci, M. D.; Yang, Y.-S.; Solomon, E. I.; Enemark, J. H. “Electronic Spectral Studies of
Molybdenyl Complexes: II. MCD Spectroscopy of [MoOS4]- Centers.” Inorg. Chem. 2001, 40, 687-702.
Astashkin, A. V.; Cosper, M. M.; Raitsimring, A. M.; Enemark, J. H. “ESEEM and Mims ENDOR Spectroscopy
of cis,trans-(L-N2S2)MoVO(SCH2Ph): Detection of the Two Benzylthiolate α Protons.” Inorg. Chem. 2000, 39,
4989-4992.
Helton, M. E.; Pacheco, A.; McMaster, J.; Enemark, J. H.; Kirk, M. L. “An MCD Spectroscopic Study of the
Molybdenum Active Site in Sulfite Oxidase: Insight Into the Role of Coordinated Cysteine.” J. Inorg. Biochem.
2000, 80, 227-233.
March 2011
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Astashkin, A. V.; Mader, M. L.; Enemark, J. H.; Pacheco, A.; Raitsimring, A. M. “Direct Detection of the
Proton-Containing Group Coordinated to Mo(V) in the High-pH Form of Chicken Liver Sulfite Oxidase by
Refocused Primary ESEEM Spectroscopy: Structural and Mechanistic Implications.” J. Am. Chem. Soc. 2000,
122, 5294-5302.
Mader, M. L.; Carducci, M. D.; Enemark, J. H. “Analogues of the Molybdenum Center of Sulfite Oxidase:
Oxomolybdenum(V) Complexes with Three Thiolate Sulfur Donor Atoms.” Inorg. Chem. 2000, 39, 525-531.
Izumi, Y.; Rose, K.; Glaser, T.; McMaster, J.; Basu, P.; Enemark, J. H.; Hedman, B.; Hodgson, K. O.; Solomon,
E. I. “Ligand K-Edge and Metal L-Edge X-Ray Absorption Spectroscopy and Density Functional Calculations of
Oxomolybdenum Complexes with Thiolate and Related Ligands: Implications for Sulfite Oxidase.” J. Am.
Chem. Soc. 1999, 121, 10035-10046.
Inscore, F. E.; McNaughton, R.; Westcott, B.; Helton, M. E.; Jones, R.; Dhawan, I. K.; Enemark, J. H.; Kirk, M.
L. “Spectroscopic Evidence for a Unique Bonding Interaction in Oxo-Molybdenum Dithiolate Complexes:
Implications for σ Electron Transfer Pathways in the Pyranopterin Dithiolate Centers of Enzymes.” Inorg. Chem.
1999, 38, 1401-1410.
Pacheco, A.; Hazzard, J. T.; Tollin, G.; Enemark, J. H. “The pH Dependence of Intramolecular Electron Transfer
Rates in Sulfite Oxidase at High and Low Anion Concentrations.” JBIC, J. Biol. Inorg. Chem. 1999, 4, 390-401.
Raitsimring, A. M.; Pacheco, A.; Enemark, J. H. “ESEEM Investigations of the High pH and Low pH Forms of
Chicken Liver Sulfite Oxidase.” J. Am. Chem. Soc. 1998, 120, 11263-11278.
Fischer, B.; Enemark, J. H.; Basu, P. “A Chemical Approach to Systematically Designate the Pyranopterin
Centers of Molybdenum and Tungsten Enzymes and Synthetic Models.” J. Inorg. Biochem. 1998, 72, 13-21.
Basu, P.; Valek, M.; Enemark, J. H. “Binuclear Oxomolybdenum-Metalloporphyrin Complexes.” In Inorganic
Synthesis; Coucouvanis, D., Ed.; Wiley & Sons, Inc.: New York, NY, 2002; Vol. 33, pp 39-51.
Enemark, J. H.; Westcott, B. L. “Transition Metal Nitrosyls.” In Inorganic Electronic Structure and
Spectroscopy; Volume II: Applications and Case Studies; Solomon, E. I.; Lever, A. B. P., Eds.: John Wiley and
Sons, 1999, pp 403-450.
McMaster, J.; Enemark, J. H. “The Active Sites of Mo- and W-Containing Enzymes.” Curr. Opin. in Chem. Biol.
1998, 2, 201-207.
Rawn, C. J.; Birnie, I., D. P.; Bruck, M. A.; Enemark, J. H.; Roth, R. S. “Structural Investigation of
Ba6-3xLn8+2xTi18O54 (x = 0.27, Ln = Sm) by Single Crystal X-Ray Diffraction in Space Group Pnma (No. 62).” J.
Mater. Res. 1998, 13, 187-196.
Enemark, J. H. “EPR and MCD Studies of Oxomolybdenum Centers in Sulfite Oxidase and Related Model
Compounds.” In Spectroscopic Methods in Bioinorganic Chemistry, ACS Symposium Series; Vol. 692; Solomon,
E. I.; Hodgson, K. O., Eds.; American Chemical Society: Washington, DC, 1998, pp 360-371.
Westcott, B. L.; Gruhn, N. E.; Enemark, J. H. “Evaluation of Molybdenum-Sulfur Interactions in
Molybdoenzyme Model Complexes by Gas-Phase Photoelectron Spectroscopy. The “Electronic Buffer” Effect.”
J. Am. Chem. Soc. 1998, 120, 3382-3386.
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Kisker, C.; Schindelin, H.; Pacheco, A.; Wehbi, W.; Garrett, R. M.; Rajagopalan, K. V.; Enemark, J. H.; Rees, D.
C. “Molecular Basis of Sulfite Oxidase Deficiency from the Structure of Sulfite Oxidase.” Cell 1997, 91,
973-983.
Enemark, J. H.; Garner, C. D. “The Coordination Chemistry and Function of the Molybdenum Centres of the
Oxomolybdoenzymes.” JBIC, J. Biol. Inorg. Chem. 1997, 2, 817-822.
Holder, A. A.; Dasgupta, T. P.; McFarlane, W.; Rees, N. H.; Enemark, J. H.; Pacheco, A.; Christensen, K.
“Syntheses, Characterization, Infrared and 95Mo NMR Spectroscopy of Some Coordinated
Oxo-Molybdenum(VI) Complexes.” Inorg. Chim. Acta 1997, 260, 225-228.
Westcott B. L.; Enemark, J. H. “Formal Oxidation States vs. π-Effects in Isostructural Low-Symmetry [MoNO]3+
and [MoO]3+ Complexes: A Photoelectron Spectroscopy Study.” Inorg. Chem. 1997, 36, 5404-5405.
Wall, M. H., Jr.; Basu, P.; Buranda, T.; Wicks, B. S.; Findsen, E. W.; Ondrias, M.; Enemark, J. H.; Kirk, M. L.
“Photoinduced Electron Transfer in Covalently Linked Oxo-Molybdenum(V) Porphyrin Systems.” Inorg. Chem.
1997, 36, 5676-5677.
Basu, P.; Enemark, J. H. “A Paramagnetic Complex Possessing Two Oxo-Mo(V) Centers.” Inorg. Chim. Acta
1997, 263/1-2, 81-85.
Basu, P.; Raitsimring, A. M.; Enemark, J. H.; Walker, F. A. “Oxomolybdenum(V)/Iron(III) Porphyrinate
Complexes: The Effect of Axial Ligand Plane Orientation on Complex Stability, Reduction Potential, NMR and
EPR Spectra.” Inorg. Chem. 1997, 36, 1088-1094.
Barnard, K. R.; Bruck, M. A.; Huber, S.; Grittini, C.; Enemark, J. H.; Gable, R. W.; Wedd, A. G. “Mononuclear
and Binuclear Mo(V) Complexes of the Ligand N,N'-Bis(2-Mercaptophenyl)Ethylenediamine: Geometric
Isomers.” Inorg. Chem. 1997, 36, 637-649.
Pacheco, A.; Basu, P.; Borbat, P.; Raitsimring, A. M.; Enemark, J. H. “Multifrequency ESEEM Spectroscopy of
Sulfite Oxidase in Phosphate Buffer: Direct Evidence for Coordinated Phosphate.” Inorg. Chem. 1996, 35,
7001-7008.
Xiao, Z.; Bruck, M. A.; Enemark, J.; Young, C. G.; Wedd, A. G. “Trimethylsilyloxo Complexes of
Oxomolybdenum(V). Coupled Electron-Electrophile Reactions.” JBIC, J. Biol. Inorg. Chem. 1996, 1, 415-423.
Xiao, Z.; Bruck, M. A.; Enemark, J.; Young, C. G.; Wedd, A. G. “A Catalytic Cycle Related to Molybdenum
Enzymes Containing [MoVIO2]2+ Oxidized Active Sites.” Inorg. Chem. 1996, 35, 7508-7515.
Dhawan, I. K.; Enemark, J. H. “EPR Studies of Oxo-Mo(V) Complexes with Sulfur Donor Ligands:
Implications for the Molybdenum Center of Sulfite Oxidase.” Inorg. Chem. 1996, 35, 4873-4882.
Zhou, L.; Timmermann, B. N.; Grittini, C.; Bruck, M. A.; Enemark, J. H. “Tarapacol 15-Acetate, a New
Diterpenoid from Grindelia Tarapacana Phil.” Acta Crystallogr. 1996, C52, 1040-1044.
Kurshev, V. V.; Kevan, L.; Basu, P.; Enemark, J. H. “Measurement of the Dipolar Interaction Between an
Oxomolybdenum Center and a Phosphorus Nucleus in Models for the Molybdenum Cofactor Enzymes by Pulsed
Electron Spin Resonance at S-Band.” J. Phys. Chem. 1995, 99, 11288-11291.
Xiao, Z.; Bruck, M. A.; Doyle, C.; Enemark, J. H.; Grittini, C.; Gable, R. W.; Wedd, A. G.; Young, C. G.
“Dioxomolybdenum(VI) Complexes of Tripodal Nitrogen-Donor Ligands: Syntheses and Spectroscopic,
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Structural, and Electrochemical Studies, Including the Generation of EPR-Active Molybdenum(V) Species in
Solution.” Inorg. Chem. 1995, 34, 5950-5962.
Basu, P.; Shokhirev, N. V.; Enemark, J. H.; Walker, F. A. “NMR Studies of Hindered Ligand Rotation, Magnetic
Anisotropy, Curie Behavior, Proton Spin Relaxation, and Ligand Exchange in Some Novel
Oxomolybdenum(V)/Iron(III) Porphyrinate Complexes.” J. Am. Chem. Soc. 1995, 117, 9042-9055.
Dhawan, I. K.; Bruck, M. A.; Schilling, B.; Grittini, C.; Enemark, J. H. “Mononuclear and Binuclear
Molybdenum Complexes of the Tris(3,5-Dimethyl-l-Pyrazolyl)Methane Ligand.” Inorg. Chem. 1995, 34,
3801-3808.
Raitsimring, A. M.; Basu. P.; Shokhirev, N. V.; Enemark, J. H. “EPR Studies of Weakly Coupled
Oxomolybdenum (V) and Low-Spin Iron(III) Porphyrin Centers.” Appl. Magn. Reson. 1995, 9, 173-192.
Basu, P.; Bruck, M. A.; Li, Z.; Dhawan, I. K.; Enemark, J. H. “Molecular Structure and Electronic Properties of
Oxomolybdenum(V) Catecholate Complexes.” Inorg. Chem. 1995, 34, 405-407.
Carducci, M. D.; Brown, C.; Solomon, E. I.; Enemark, J. H. “Electronic Spectral Studies of Molybdenyl
Complexes: Implications for Oxo-Molybdenum Enzymes.” J. Am. Chem. Soc. 1994, 116, 11856-11868.
LaBarre, M. J.; Pacheco, A.; Enemark, J. H. “Redox Reactions Between Oxo-Molybdenum(IV) and
Tetratolylporphinatoiron(III) Complexes.” Inorg. Chim. Acta 1994, 226, 259-265.
Dhawan, I. K.; Pacheco, A.; Enemark, J. H. “Structural and Spectroscopic Characterization of a Monooxomono
(Dithiolene) Molybdenum (V) Compound and Its Implications for the Low pH Form of Sulfite Oxidase.” J. Am.
Chem. Soc. 1994, 116, 7911-7912.
Basu, P.; Raitsimring, A. M.; LaBarre, M. J.; Dhawan, I. K.; Weibrecht, J. L.; Enemark, J. H. “Covalently
Linked Oxomolybdenum(V) and Iron(III) Porphyrin Centers: Synthetic Models for the Molybdenum-Iron
Interaction in Sulfite Oxidase.” J. Am. Chem. Soc. 1994, 116, 7166-7176.
Xiao, Z.; Enemark. J. H.; Wedd, A. G.; Young, C. G. “Isovalent and Mixed-Valence Dinuclear μ-Oxo and μ-Oxo
μ-Disulfido Complexes of Molybdenum(V) and Molybdenum(VI).” Inorg. Chem. 1994, 33, 3438-3441.
Collison, D.; Eardley, D. R.; Mabbs, F. E.; Rigby, K.; Bruck, M. A.; Enemark, J. H.; Wexler, P. A. “Crystal and
Molecular Structure of [LSnCl3]. The Single Crystal EPR Spectra of [LMoECl2] and [LMoO(NCS)2] Diluted in
LSnCl3]. Where E= O or S, and L= Hydrotris (3,5-Dimethylpyrazolyl)Borato.” J. Chem. Soc., Dalton Trans.
1994, 1003-1011.
Sullivan, E. P.; Hazzard, J. T.; Tollin, G.; Enemark, J. H. “Electron Transfer in Sulfite Oxidase: Effects of pH
and Anions on Transient Kinetics.” Biochemistry 1993, 32, 12465-12470.
Desrochers, P. J.; Nebesny, K. W.; LaBarre, M. J.; Bruck, M. A.; Neilson, G. F.; Sperline, R. P.; Enemark, J. H.;
Backes, G.; Wieghardt, K. “Studies of Distortional Isomers: 2. Evidence That Green [LWOCl2]PF6 is a Ternary
Mixture.” Inorg. Chem. 1994, 33, 15-24.
Chang, C. S. J.; Pecci, T. J.; Carducci, M. D.; Enemark, J. H. “Synthesis and Characterization of Monuclear
Bis(Para-Substituted Phenlato)Oxomolybdenum(V) Complexes: Dependence of the Molecular Properties Upon
Remote Substituent Effects.” Inorg. Chem. 1993, 32, 4106-4110.
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Enemark, J. H.; Young, C. G. “Bioinorganic Chemistry of Pterin-Containing Molybdenum and Tungsten
Enzymes.” Adv. Inorg. Chem. 1993, 40, 1-88.
LaBarre, M. J.; Raitsimring, A.; Enemark, J. H. “Chemical and Physical Coupling of Oxomolybdenum Centers
and Iron Porphyrins: Models for the Molybdenum-Iron Interaction in Sulfite Oxidase.” In Molybdenum
Enzymes, Cofactors, and Model Systems; Stiefel, E. I., Ed.; ACS Symposium Series 535; American Chemical
Society: Washington, D.C., 1993, pp 130-142.
Xiao, Z.; Young, C. G.; Enemark, J. H.; Wedd, A. G. “A Single Model Displaying All the Important Centers and
Processes Involved in Catalysis by Molybdoenzymes Containing [MoVIO2]2+ Active Sites.” J. Am. Chem. Soc.
1992, 114, 9194-9195.
Sullivan, E. P., Jr.; Hazzard, J. T.; Tollin, G.; Enemark, J. H. “Inhibition of Intramolecular Electron Transfer in
Sulfite Oxidase by Anion Binding.” J. Am Chem. Soc. 1992, 114, 9662-9663.
Young, C. G.; Bruck, M. A.; Enemark, J. H. “Products of Complete Oxidative Decarbonylation of
Tricarbonyl{Hydrotris(3,5-Dimethyl-l-Pyrazolyl)Borato}Tungstate(0) by Tetraalkylthiuram Disulfides:
{HB(Me2C3N2H)3}WS(S2CNEt2), W2(µ-S)2(S2CNEt2)4, and [W(S2CNEt2)4]+.” Inorg. Chem. 1992, 31, 593-598.
Young, C. G.; Bruck, M. A.; Wexler, P. A.; Carducci, M. D.; Enemark, J. H. “Products of Partial Oxidative
Decarbonylation of Tricarbonyl{Hydrotris(3,5-Dimethyl-l-Pyrazolyl)Borato}Tungstate(0) by Tetraalkylthiuram
Disulfides: {HB(Me2C3N2H)3}W(CO)2(S2CNEt2), Mixed-Valence
{HB(Me2C3N2H)3}WII(CO)2(µ-S)WIV(S2CNEt2)2(SCNEt2), and Related Complexes.” Inorg. Chem. 1992, 31,
587-593.
Desrochers, P. J.; Nebesny, K. W.; LaBarre, M. J.; Lincoln, S. E.; Loehr, T. M.; Enemark, J. H. “Studies of
Distortional Isomers: Spectroscopic Evidence That Green
cis,mer-Dichlorotris(Dimethylphenylphosphine)Oxomolydenum(IV) is a Mixture.” J. Am. Chem. Soc. 1991, 113,
9193-9200.
Chang, C. S. J.; Pecci, T. J.; Carducci, M. D.; Enemark, J. H. “Crystal Structure of
Bis(4-Chlorophenolato)[Hydrotris(3,5-Dimethyl-l-Pyrazolyl)Borato] Oxomolybdenum(V).” Acta Crystallogr.
1992, C48, 1096-1097.
Schumann, H.; Enemark, J. H.; LaBarre, M. J.; Bruck, M. A.; Wexler, P. A. “95Mo NMR Investigation on
Cationic [C5H5Mo(CO)2L2]BF4 Complexes (L = Group 15 Donor Ligands).” Polyhedron 1991, 10, 665-671.
Combariza, J. E.; Barfield, M.; Enemark, J. H. “Ab Initio Molecular Orbital Studies of 95Mo, 17O, and 33S
Chemical Shielding in Transition-Metal Compounds.” J. Phys. Chem. 1991, 95, 5463-5470.
Spence, J. T.; Kipke, C. A.; Enemark, J. H.; Sunde, R. H. “Stoichiometry of Electron Uptake and the Effect of
Anions and pH on the Molybdenum and Heme Reduction Potentials of Sulfite Oxidase.” Inorg. Chem. 1991, 30,
3011-3015.
Backes, G.; Enemark, J. H.; Loehr, T. M. “Raman-Scattering Properties of MoV=O and MoV=S Complexes as
Probes for Molybdenum-Containing Enzymes.” Inorg. Chem. 1991, 30, 1839-1842.
Chang, C. S. J.; Enemark, J. H. “Spectroscopic and Electrochemical Studies of Monmeric Oxomolybdenum(V)
Complexes with Five-Membered Chelate Rings and Alkoxo or Alkanethiolato Ligands.” Inorg. Chem. 1991, 30,
683-688.
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Young, C. G.; Janos, F.; Bruck, M. A.; Wexler, P. A.; Enemark, J. H. “Nitridomolybdenum Complexes of
Tris(3,5-Dimethylpyrazol-l-yl)Hydroborate and the X-Ray Crystal Structure of
{HB(3,5-Me2C3N2H)3}MoN(N3)2.” Aust. J. Chem. 1990, 43, 1347-1355.
Roberts, S. A.; Young, C. G.; Kipke, C. A.; Cleland, W. E., Jr.; Yamanouchi, K.; Carducci, M. D.; Enemark, J.
H. “Dioxomolybdenum(VI) Complexes of the Hydrotris(3,5-Dimethyl-1-Pyrazolyl)Borate Ligand. Synthesis
and Oxygen Atom Transfer Reactions.” Inorg. Chem. 1990, 29, 3650-3656.
Küsthardt, U.; LaBarre, M. J.; Enemark, J. H. “Phosphorus-31 NMR Spectroscopy as a Probe of Models for the
Molybdenum-Phosphate Interaction in ‘Oxo-Type’ Molybdoenzymes and Their Cofactors.” Inorg. Chem. 1990,
29, 3182-3187.
Chang, C. S. J.; Rai-Chaudhuri, A.; Lichtenberger, D. L.; Enemark, J. H. “He I Valence Photoelectron Spectra of
Oxomolybdenum(V) Complexes Containing Diolato or Alkoxide Ligands.” Polyhedron 1990, 9, 1965-1973.
Chang, C. S. J.; Collison, D.; Mabbs, F. E.; Enemark, J. H. “Synthesis and Characterization of Mononuclear
Oxomolybdenum(V) Complexes with Aliphatic Diolato, Dithiolato, or Alkoxo Ligands: Effect of Chelate Ring
Size on the Properties of the Metal Center.” Inorg. Chem. 1990, 29, 2261-2267.
George, G. N.; Cleland, W. E., Jr.; Enemark, J. H.; Smith, B. E.; Kipke, C. A.; Roberts, S. A.; Cramer, S. P.
“L-Edge Spectroscopy of Molybdenum Compounds and Enzymes.” J. Am. Chem. Soc. 1990, 112, 2541-2548.
Young, C. G.; McInerney, I. P.; Bruck, M. A.; Enemark, J. H. “Synthesis and Characterization of
Tetrasulfidomolybdenum(IV) Complexes of Hydrotris(3,5-Dimethyl-l-Pyrazolyl)Borate and the X-Ray Crystal
Structure of {HB(3,5-Me2C3N2H)3}MoCl-(S4)0.5Et2O.” Inorg. Chem. 1990, 29, 412-416.
Hinshaw, C. J.; Peng, G.; Singh, R.; Spence, J. T.; Enemark, J. H.; Bruck, M. A.; Kristofzski, J.; Merbs, S. L.;
Ortega, R. B.; Wexler, P. A. “Molybdenum(VI)-Dioxo Complexes with Linear and Tripodal Tetradentate
Ligands: Models for the Molybdenum(VI/V) Centers of the Molybdenum Hydroxylases and Related Enzymes.
1. Syntheses and Structures.” Inorg. Chem. 1989, 28, 4483-4491.
Combariza, J. E.; Enemark, J. H.; Barfield, M.; Facelli, J. C. “Ab Initio Molecular Orbital Studies of Chemical
Shielding in Transition-Metal Compounds: 95Mo Shielding in Molybdate and Thiomolybdate [MoOnS(4-n)]2Anions.” J. Am. Chem. Soc. 1989, 111, 7619-7621.
George, G. N.; Kipke, C. A.; Prince, R. C.; Sunde, R. A.; Enemark, J. H.; Cramer, S. P. “Structure of the Active
Site of Sulfite Oxidase. X-Ray Absorption Spectroscopy of the Mo(IV), Mo(V), and Mo(VI) Oxidation States.”
Biochemistry 1989, 28, 5075-5080.
Roberts, S. A.; Enemark, J. H.
“Bis(Benzenethiolato)Nitrosyl[Tris(3,5-Dimethyl-l-Pyrazolyl)Hydroborato]Molybdenum(II).” Acta Crystallogr.
1989, C45, 1292-1294.
George, G. N.; Prince, R. C.; Kipke, C. A.; Sunde, R. A.; Enemark, J. H. “The Nature of the Phosphate Complex
of Sulfite Oxidase from Electron-Paramagnetic-Resonance Studies.” Biochem. J. 1988, 256, 307-309.
Kipke, C. A.; Cleland, W. E., Jr.; Roberts, S. A.; Enemark, J. H. “Structure of
Oxobis(Phenolato)[Tris(3,5-Dimethyl-l-Pyrazolyl)Hydroborato]Molybdenum(V).” Acta Crystallogr. 1988, C45,
870-872.
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Roberts, S. A.; Darsey, G. P.; Cleland, W. E., Jr.; Enemark, J. H. “Isolation of [{HB(Me2pz)3}MoO2(OC6H4S)]2,
a Binuclear Mo(VI) Complex Containing a Disulfide Bond.” Inorg. Chim. Acta 1988, 154, 95-97.
Roberts, S. A.; Young, C. G.; Cleland, W. E., Jr.; Yamanouchi, K.; Ortega, R. B.; Enemark, J. H. “Structures of
Three Novel Polynuclear Oxo- and Sulfidomolybdenum Complexes Containing the
Hydrotris(3,5-Dimethyl-l-Pyrazolyl)Borate Ligand.” Inorg. Chem. 1988, 27, 2647-2652.
Collison, D.; Eardley, D. R.; Mabbs, F. E.; Rigby, K.; Enemark, J. H. “Electron Spin Resonance Studies of Low
Symmetry Oxomolybdenum(V) Ions Diluted in the Pseudo-Isostructural Chlorotin(IV) Moiety.” Polyhedron
1989, 8, 1833-1834.
Kipke, C. A.; Enemark, J. H.; Sunde, R. A. “Purification of Prosthetically Intact Sulfite Oxidase from Chicken
Liver Using a Modified Procedure.” Arch. Biochem. Biophys. 1989, 270, 383-389.
Kipke, C. A.; Cusanovich, M. A.; Tollin, G.; Sunde, R. A.; Enemark, J. H. “Chicken Liver Sulfite Oxidase.
Kinetics of Reduction by Laser-Photoreduced Flavins and Intramolecular Electron Transfer.” Biochemistsry
1988, 27, 2918-2926.
Roberts, S. A.; Young, C. G.; Cleland, W. E., Jr.; Ortega, R. B.; Enemark, J. H. “Synthesis, Characterization, and
Oxygen Atom Transfer Reactions of {HB(Me2C3N2H)3} MoO{S2P(OR)2} and
{HB(Me2C3N2H)3}MoO2{η1-S2P(OEt)2}.” Inorg. Chem. 1988, 27, 3044-3051.
Küsthardt, U.; Enemark, J. H. “Models for the Molybdenum-Phosphate Interactions in ‘Oxo-Type’
Molybdoenzymes and Their Cofactors.” J. Am. Chem. Soc. 1987, 109, 7926-7927.
Enemark, J. H. “Introducing Chemists to X-Ray Structure Determination.” J. Chem. Educ. 1988, 65, 491-493.
Backes-Dahmann, G.; Enemark, J. H. “Synthesis and X-ray Structure of a Dimeric Rhenium(V) Compound:
Re2O3Cl4(3,5-Me2pzH)4Me2CO (PzH=Pyrazole).” Inorg. Chem. 1987, 26, 3960-3962.
Brunner, H.; Kauermann, H.; Pfauntsch, J.; Wachter, J.; Enemark, J. H.; Young, C. G. “Darstellung und
Reaktivität von Zweikernigen Pentamethylcyclopentadienyloxomolybdänsulfiden.” J. Organomet. Chem. 1987,
331, 45-52.
Ashby, M. T.; Enemark, J. H.; Lichtenberger, D. L. “Destabilizing dπ-pπ Orbital Interactions and the Alkylation
Reactions of Iron(II)-Thiolate Complexes.” Inorg. Chem. 1988, 27, 191-197.
Young, C. G.; Collison, D.; Mabbs, F. E.; Enemark, J. H. “The First Mononuclear Mo(V) Complex with a
Terminal Sulfido Group: [HB(Me2C3N2H)3]MoSCl2.” Inorg. Chem. 1987, 26, 2925-2927.
Dowerah, D.; Spence, J. T.; Singh, R.; Wedd, A. G.; Wilson, G. L.; Farchione, F.; Enemark, J. H.; Kristofzski, J.
G.; Bruck, M. A. “Molybdenum(VI) and Molybdenum(V) Complexes with
N,N'-Dimethyl-N-N'-Bis(2-Mercaptophenyl)Ethylenediamine. Electrochemical and Electron Paramagnetic
Resonance Models for the Molybdenum(VI/V) Centers of the Molybdenum Hydroxylases and Related
Enzymes.” J. Am. Chem. Soc. 1987, 109, 5655-5665.
Boyde, S.; Garner, C. D.; Enemark, J. H.; Bruck, M. A.; Kristofzski, J. G. “Crystal Structure of
Tris(Quinoxaline-2,3-Dithiolato)Molybdate(v); a Distorted Trigonal Prismatic Complex.” J. Chem. Soc., Dalton
Trans. 1987, 2267-2271.
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Young, C. G.; Roberts, S. A.; Ortega, R. B.; Enemark, J. H. “Mononuclear Oxo-and Sulfidomolybdenum(IV)
Complexes: Syntheses and Crystal Structures of {HB(Me2C3N2H)3}MoE(S2CNEt2) (E = O, S) and Related
Complexes.” J. Am. Chem. Soc. 1987, 109, 2938-2946.
Roberts, S. A.; Ortega, R. B.; Zolg, L. M.; Cleland, W. E., Jr.; Enemark, J. H. “The Structures of Two
Mononuclear Six-Coordinate Oxomolybdenum(V) Complexes Stabilized by the
Hydrotris(3,5-Dimethyl-l-Pyrazolylborate)Ligand.” Acta Crystallogr. Sect. C: Crystallogr. Struct. Commun.
1987, C43, 51-53.
Broomhead, J. A.; Enemark, J. H.; Hammer, B.; Ortega, R. B.; Pienkowski, W. “Synthesis and X-Ray Structure
Characterization of WO(S2)(S2CNEt2)2 and Related Complexes.” Aust. J. Chem. 1987, 40, 381-385.
Young, C. G.; Roberts, S. A.; Enemark, J. H. “Preparation and Characterization of
Bis(Dialkyldithiocarbamato){Hydrotris(3,5-Dimethyl-l-Pyrazolyl)Borato}Molybdenum(III) Complexes
Produced by the Oxidative Decarbonylation of [{HB(3,5-Me2C3N2H)3}Mo(CO)3] by Tetraalkylthiuram
Disulfides. Crystal Structure of {HB(3,5-Me2C3N2H)3}Mo(η2-S2CNEt2)(η1-S2CNEt2).” Inorg. Chem. 1986, 25,
3667-3671.
Collison, D.; Mabbs, F. E.; Enemark, J. H.; Cleland, W. E., Jr. “The EPR Spectra and Electronic Structures of
Low-Symmetry Oxo-Molybdenum(V) Complexes.” Polyhedron 1986, 5, 423-425.
Boyde, S.; Garner, C. D.; Enemark, J. H.; Ortega, R. B. “Structure and Properties of
Tris(Quinoxaline-2,3,-Dithiolato)Molybdate(IV).” Polyhedron 1986, 5, 377-379.
Bristow, S.; Garner, C. D.; Morris, G. A.; Enemark, J. H.; Minelli, M.; Ortega, R. B. “Structural, Spectroscopic
and Electrochemical Studies on a New Mo(VI) Catecholate Complex.” Polyhedron 1986, 5, 319-321.
Brunner, H.; Meier, W.; Wachter, J.; Weber, P.; Ziegler, M. L.; Enemark, J. H.; Young, C. G. “Methylierung
Eines Schwefelreichen Dimolybdänkomplexes: Darstellung, Trennung, und Charakterisierung von
(C5Me5)Mo(µ-SCH3)2(µ-S)2 in Zwei Isomeren Formen.” J. Organomet. Chem. 1986, 309, 313-318.
Ashby, M. T.; Enemark, J. H. “Cycloaddition of Alkenes and Alkynes to CpFe(CO)2PR2 to Give
(R)2P-Fe-C(=O)C-=-C Heterometallacycles.” Organometallics 1987, 6, 1323-1327.
Ashby, M. T.; Enemark, J. H. “Cycloaddition of Alkynes to CpFe(CX)(CY)SR (CX, CY = CO, CS, CNCH3) to
Give RS-FeC(=Y)C=C Heterometallacycles.” Organometallics 1987, 6, 1318-1323.
Young, C. G.; Kober, E. M.; Enemark, J. H. “95Mo and 183W NMR Studies of Triply Bonded Dinuclear M(III)
and Related MC (M = Mo, W) Complexes.” Polyhedron 1987, 6, 255-259.
Cleland, W. E., Jr.; Barnhart, K. M.; Yamanouchi, K.; Collison, D.; Mabbs, F. E.; Ortega, R. B.; Enemark, J. H.
“Syntheses, Structures, and Spectroscopic Properties of Six-Coordinate Mononuclear Oxo-Molybdenum(V)
Complexes Stabilized by the Hydrotris(3,5-Dimethyl-l-Pyrazolyl)Borate Ligand.” Inorg. Chem. 1987, 26,
1017-1025.
Young, C. G.; Minelli, M.; Enemark, J. H.; Hussain, W.; Jones, C. J.; McCleverty, J. A. “A Molybdenum-95 and
Nitrogen-14 Nuclear Magnetic Resonance Study of Six-Coordinate Hydrotris(3,5-Dimethyl-l-Pyrazolyl)Borate
Complexes Containing a Sixteen-Electron {Mo(NO)}4 Core.” J. Chem. Soc.; Dalton Trans. 1987, 619-621.
Boyde, S.; Garner, C. D.; Enemark, J. H.; Ortega, R. “Structure and Properties of
Tris(Quinoxaline-2,3-Dithiolato)Molybdate(IV).” J. Chem. Soc., Dalton Trans. 1987, 297-302.
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Young, C. G.; Enemark, J. H. “An Investigation of Adduct Complexes of M(S2CNEt2)2(CO)2(M = Mo,W) by
Mo and 183W NMR Spectroscopy.” Aust. J. Chem. 1986, 39, 997-1006.
95
Young, C. G.; Roberts, S. A.; Enemark, J. H. “Monodentate Dialkyldithiocarbamate Complexes of
Molybdenum(III). The Synthesis and X-Ray Structural Characterization of
{HB(3,5-Me2C3N2H)3}Mo(S2CNEt2)(η1-S2CNEt2).” Inorg. Chim. Acta 1986, 114, L7-L8.
Ashby, M. T.; Enemark, J. H.; Lichtenberger, D. L.; Ortega, R. B. “Acyclic Polythioether Complexes:
Preparation and Crystal Structure of Tricarbonyl (2,5,8-Trithianonane)Molybdenum(0).” Inorg. Chem. 1986, 25,
3154-3157.
Spence, J. T.; Hinshaw, C. C.; Enemark, J. H.; Merbs, S. L.; Ortega, R. B. “Models for the Molybdenum Centers
of the Molybdenum Hydroxylases.” In Frontiers in Bioinorganic Chemistry; Xavier, A. V., Ed.; VCH
Verlagsgesellschaft: Weinheim, FRG, 1986, pp 54-63.
Ashby, M. T.; Enemark, J. H. “Control of the Reactivity and Coordination Number of a 16-Electron Complex by
π-Donating Thiolate Ligands.” J. Am. Chem. Soc. 1986, 108, 730-733.
Young, C. G.; Minelli, M.; Enemark, J. H.; Miessler, G.; Janietz, N.; Kauermann, H.; Wachter, J. “Applications
of 95Mo NMR to Inorganic and Bioinorganic Chemistry.” Polyhedron 1986, 5, 407-413.
Enemark, J. H.; Cleland, W. E., Jr.; Collison, D.; Mabbs, F. E. “Approaches to the Molybdenum Centers of
‘Oxo-Type’ Enzymes.” In Frontiers in Bioinorganic Chemistry; Xavier, A. V., Ed.; VCH Verlagsgesellschaft:
Weinheim, FRG., 1986, pp 47-53.
Young, C. G.; Enemark, J. H. “95Mo NMR Study of Mononuclear Oxomolybdenum(IV) Complexes.” Inorg.
Chem. 1985, 24, 4416-4419.
Wieghardt, K.; Guttman, M.; Chauhuri, P.; Gebert, W.; Minelli, M.; Young, C. G.; Enemark, J. H. “Preparation
and Characterization of Binuclear Complexes of Molybdenum(III) and Molybdenum(V) Via Oxidative
Decarbonylation. Reactions of LMo(CO)3 (L = 1,5,9-Triazacyclododecane) and Crystal Structure of
anti-[L2Mo2O4] (ClO4)22H2O.” Inorg. Chem. 1985, 24, 3151-3155.
Minelli, M.; Enemark, J. H.; Brownlee, R. T. C.; O'Connor, M. J.; Wedd, A. G. “The Nuclear Magnetic
Resonance Properties of Chromium, Molybdenum and Tungsten Compounds.” Coord. Chem. Rev. 1985, 68,
169-278.
Bristow, S.; Enemark, J. H.; Garner, C. D.; Minelli. M.; Morris, G. A.; Ortega, R. B. “Synthesis of
(1,2-Benzenediolato(2-)-O,O')Oxobis(1-Piperidinolato(1-)-O,N)Molybdenum(VI), [MoO(C5H10NO)2(C6H4O2)],
and Structure Determination by Correlated 1H-13C Two-Dimensional NMR Spectroscopy and X-Ray
Crystallography.” Inorg. Chem. 1985, 24, 4070-4077.
Kaul, B. B.; Enemark, J. H.; Merbs, S. L.; Spence, J. T. “Molybdenum(VI)-Dioxo, Molybdenum(V)-Oxo, and
Molybdenum(IV)-Oxo Complexes with 2,3:8,9-Dibenzo-1,4,7,10-Tetrathiadecane. Models for the Molybdenum
Binding Site of the Molybdenum Cofactor.” J. Am. Chem. Soc. 1985, 107, 2885-2891.
Minelli, M.; Young, C. G.; Enemark, J. H. “95Mo NMR Studies of Seven Coordinated Molybdenum(VI)
Monooxo, Nitrido, and Phenylimido Complexes and Their Derivatives.” Inorg. Chem. 1985, 24, 1111-1113.
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Minelli, M.; Enemark, J. H.; Nicholson, J. R.; Garner, C. D. “Direct Identification of CuMo-S Clusters by 95Mo
NMR Spectroscopy.” Inorg. Chem. 1984, 23, 4384-4386.
Brunner, H.; Beier, P.; Frauendorfer, E.; Muschiol, M.; Rastogi, D. K.; Wachter, J.; Minelli, M.; Enemark, J. H.
“Diastereomer Splitting in the 95Mo NMR Spectra of Compounds Differing Only in the Mo Configuration.”
Inorg. Chim. Acta 1985, 96, L5-L9.
Lincoln, S.; Soong, S. L.; Koch, S. A.; Sato, M.; Enemark, J. H. “Polypyrazolylborate Complexes Containing the
[MoSMo]2+ and [MoSeMo]2+ Units.” Inorg. Chem. 1985, 24, 1355-1359.
Minelli, M.; Bell, A.; Enemark, J. H.; Walton, R. A. “95Mo NMR Spectral Studies on Seven-Coordinate
Molybdenum(II) Isocyanide Complexes.” J. Organomet. Chem. 1985, 284, 25-34.
Subramanian, P.; Spence, J. T.; Ortega, R.; Enemark. J. H. “Molybdenum(VI)-Dioxo Complexes with Sterically
Bulky Ligands.” Inorg. Chem. 1984, 23, 2564-2572.
Barnhart, K.; Enemark, J. H. “µ-Oxo-Bis{[Hydrotris(3,5-Dimethyl-1-Pyrazolyl)Borato]Dioxomolybdenum(VI)},
Mo2(C15H22BN6)2O5.” Acta Crystallogr. Sect. C. 1984, 40, 1362-1364.
Minelli, M.; Yamanouchi, K.; Enemark, J. H.; Subramanian, P.; Kaul, B. B.; Spence, J. T. “95Mo NMR
Measurements of Dioxomolybdenum(VI) Complexes. 3. Inverse Halogen Dependence of the Molybdenum
Chemical Shifts of [MoO2]2+ Complexes.” Inorg. Chem. 1984, 23, 2554-2556.
Yamanouchi, K.; Yamada, S.; Enemark, J. H. “Monomeric Molybdenum(V) Complexes. 4. The Structure of
Tetraphenylarsonium Oxodichloro(N-2-Oxophenylsalicylideniminato)Molybdate(V),
[Ph4As][MoOCl2(SalphO)].” Inorg. Chim. Acta 1984, 85, 129-135.
Minelli, M.; Hubbard, J. L.; Lichtenberger, D. L.; Enemark, J. H. “Multinuclear NMR Studies of Electronic
Distributions: 14N, 13C and 95Mo Spectra of Nitrosyl and Thionitrosyl Complexes of Chromium, Molybdenum,
and Tungsten.” Inorg. Chem. 1984, 23, 2721-2722.
Pan, W. H.; Chandler, T.; Enemark, J. H.; Stiefel, E. I. “Reactions of Tetrathiometalates, MS42- (M = Mo, W).
Syntheses and Properties of M2S42+ -Containing Compounds. Structure of Bis(Tetraphenylphosphonium)
Bis(µ-Sulfido)Bis(Sulfido-(1,2-Ethanedithiolato)Tungstate(V)), [P(C6H5)4]2[W2S4(S2C2H4)2].” Inorg. Chem.
1984, 23, 4265-4269.
Enemark, J. H.; Yamanouchi, K.; Barnhart, K.; Collison, D.; Mabbs, F. E. “Monomeric Mo(V) and Mo(VI)
Complexes with Sterically Constrained Metal Centers.” Inorg. Chim. Acta 1983, 79, 210.
Minelli, M.; Hubbard, J. L.; Enemark, J. H. “95Mo NMR Studies of cis-Dinitrosylmolybdenum Complexes
Containing the [Mo(NO)2]2+ Unit.” Inorg.Chem. 1984, 23, 970-973.
Buchanan, I.; Minelli, M.; Ashby, M. T.; King, T. J.; Enemark, J. H.; Garner, C. D. “Crystal Structure and
Spectroscopic Studies of [MoO2(L-CysOMe)2].” Inorg. Chem. 1984, 23, 495-500.
Minelli, M.; Enemark, J. H.; Wieghardt, K.; Hahn, M. “95Mo NMR Studies of Dioxo, Oxo-Sulfido, Oxo-Selenido
and Disulfido Complexes of Molybdenum(VI).” Inorg. Chem. 1983, 22, 3952-3953.
Rajan, O. A.; Spence, J. T.; Leman, C.; Minelli, M.; Sato, M.; Enemark, J. H.; Kroneck, P. M. H.; Sulgar, K.
“Molybdenum(V) and -(VI) Complexes with Deprotonated Aromatic Amino Ligands.” Inorg. Chem. 1983, 22,
3065-3072.
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Minelli, M.; Hubbard, J. L.; Christensen, K. A.; Enemark, J. H. “Observation of the 95Mo-14N Spin-Spin
Coupling in Multinuclear NMR Studies on (η5-C5H5)Mo(CO)2(NO) and Related Compounds.” Inorg. Chem.
1983, 22, 2652-2653.
Marabella, C. P.; Enemark, J. H.; Miller, K. F.; Bruce, A. E.; Pariyadeth, N.; Corbin, J. L.; Stiefel, E. I.
“Complexes Containing the Mo2O52+ Core: Preparation, Properties and the Crystal Structure of
Mo2O5[(CH3)2NCH2CH2NHCH2C(CH3)2S]2.” Inorg. Chem. 1983, 22, 3456-3461.
Rajan, O. A.; Spence, J. T.; Minelli, M.; Sato, M.; Enemark, J. H.; Kroneck, P. M. H. “Molybdenum(VI) and (V)
Complexes with Deprotonated Aromatic Amino Ligands.” In Proceedings of the Climax Fourth International
Conference on the Chemistry and Uses of Molybdenum; Barry, H. F.; Mitchell, P. C. H., Eds.; Fourth
International Conference on the Chemistry and Uses of Molybdenum: Climax Molybdenum Co., 1982, pp
139-144.
Müller, A.; Jaegermann, W.; Enemark, J. H. “Disulfur Complexes.” Coord. Chem. Rev. 1982, 46, 245-280.
Enemark, J. H. “Overview of 95Mo NMR.” In Nitrogen Fixation: The Chemical-Biochemical-Genetic Interface;
Müller, A.; Newton, W., Eds.: Plenum, New York, 1983, pp 329-339.
Sato, M.; Enemark, J. H. “Structures of Complexes of Reduced Nitrogen Ligands.” In Nitrogen Fixation: The
Chemical-Biochemical-Genetic Interface; Müller, A.; Newton, W. E., Eds.: Plenum, New York, 1983, pp
301-327.
Marabella, C. P.; Enemark, J. H. “The Crystal and Molecular Structure of Tetraethylammonium
Hydrotris(3,5-dimethylpyrazolyl)boratotricarbonylmolybdenum(0), [NEt4][Mo(CO)3HB(C5H7N2)3].” J.
Organomet. Chem. 1982, 226, 57-62.
Minelli, M.; Rockway, T. W.; Enemark, J. H.; Brunner, H.; Muschiol, M. “Direct Observation of Diastereomers
with Opposite Mo Configurations by 95Mo NMR.” J. Organomet. Chem. 1981, 217, C34-C36.
Sato, M.; Miller, K. M.; Enemark, J. H.; Strouse, C. E.; Callahan, K. P. “Crystal and Molecular Structure of the
Thiovanadyl Complex (N,N'-Ethylenebis(acetylacetonylideniminato))thiovanadium, V=S(acen).” Inorg. Chem.
1981, 20, 3571-3573.
Christensen, K. A.; Miller, P. E.; Minelli, M.; Rockway, T. W.; Enemark, J. H. “95Mo NMR Spectra of
Dioxomolybdenum(VI) Complexes.” Inorg. Chim. Acta 1981, 56, L27-L28.
Bravard, D. C.; Newton, W. E.; Huneke, J. T.; Yamanouchi, K.; Enemark, J. H. “Mo2(S2)[S2C2(C6H5)2]4: A
Novel Quadruply Bridged Binuclear Molybdenum Compound Containing a Disulfur Ligand.” Inorg. Chem.
1982, 21, 3795-3798.
Marabella, C. P.; Enemark, J. H.; Newton, W. E.; McDonald, J. W. “Structure of
Oxobis(Dimethyldithiocarbamato)(Dibenzoyldiazene)Molybdenum-1,2-Dichloroethane,
MoO(PhCONNCOPh)(S2CNMe2)2C2H4Cl2.” Inorg. Chem. 1982, 21, 623-627.
Tack, L. M.; Hubbard, J. L.; Kriek, G. R.; Dubrawski, J.; Enemark, J. H. “Crystal Structures of
t-Pd(NO2)2(PPhMe2)2, trans-Dinitrobis(Dimethylphenylphosphine)Palladium(II), and t-Pd(NO2)2(PEt3)2,
trans-Dinitrobis(Triethylphosphine)Palladium(II).” Cryst. Struct. Commun. 1981, 10, 385-389.
Chandler, T.; Lichtenberger, D. L.; Enemark, J. H. “Bonding in the Syn and Anti Isomers of
Di-µ-Sulfido-Bis-(Sulfido(1,2-Dimercaptoethanato)Molybdate(V)) Anions.” Inorg. Chem. 1981, 20, 75-77.
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Chandler, T.; Kriek, G. R.; Greenaway, A. M.; Enemark, J. H. “Crystal Structure of (Mo(CO)2(Dppe)2F)PF6,
Dicarbonyl Bis-Diphenylphosphinoethane Fluoro Molybdenum Hexafluorophospate.” Cryst. Struct. Commun.
1980, 9, 557-562.
Feltham, R. D.; Enemark, J. H. “Structures of Metal Nitrosyls.” In Topics in Inorganic and Organometallic
Stereochemistry, Vol. 12; Geoffroy, G. L., Ed.: Wiley & Sons, Inc., 1981, pp 155-215.
Scullane, M. I.; Taylor, R. D.; Minelli, M.; Spence, J. T.; Yamanouchi, K.; Enemark, J. H.; Chasteen, N. D.
“Electron Paramagnetic Resonance Structural Studies of Molybdenum(V)Oxo Complexes.” Inorg. Chem. 1979,
18, 3213-3219.
Yamanouchi, K.; Huneke, J. T.; Enemark, J. H. “Structural Studies of Molybdenum Complexes.” In
Molybdenum Chemistry of Biological Significance; Newton, W. E.; Otsuka, S., Eds.: Plenum, New York, 1980,
pp 309-318.
Yamanouchi, K.; Enemark, J. H. “The Stereochemistry of Monomeric Oxomolybdenum(V) and
Oxomolybdenum(VI) Complexes.” In Proceedings of the Third International Conference on the Chemistry and
Uses of Molybdenum; Barry, H. F.; Mitchell, P. C. H., Eds.; Third International Conference on the Chemistry and
Uses of Molybdenum; Climax Molybdenum Co.: Ann Arbor, Michigan, 1979, pp 24-27.
Yamanouchi, K.; Huneke, J. T.; Enemark, J. H.; Taylor, R. D.; Spence, J. T. “Monomeric Molybdenum (V)
Complexes. 3. The Structure of 8-Hydroxyquinolinium Trichloro(8-Hydroxyquinolinato)Oxo-Molybdate(V),
[C9H8NO][Mo(C9H6NO)Cl3O].” Acta Crystallogr., Sect. B 1979, 35, 2326-2330.
Yamanouchi, K.; Enemark, J. H. “Monomeric Molybdenum(V) Complexes. 2. Comparison of the Structures of
cis-Oxochlorobis(8-Mercaptoquinolinato)Molybdenum(V) and
cis-Dioxobis(8-Mercaptoquinolinato)Molybdenum(VI).” Inorg. Chem. 1979, 18, 1626, 1626-1633.
Newton, W. E.; McDonald, J. W.; Yamanouchi, K.; Enemark, J. H. “Synthesis and Molecular Structure of
Molybdenum(V) Dimers with Mixed Oxo and Sulfido Terminal Ligands: Removal of Terminal Sulfide by
Triphenylphosphine and Cyanide.” Inorg. Chem. 1979, 18, 1621-1626.
Haller, K. J.; Johnson, P. L.; Feltham, R. D.; Enemark, J. H.; Ferraro, J. R.; Basile, L. J. “Effects of Temperature
and Pressure on the Molecular and Electronic Structure of N,N'-Ethylenebis-(salicylideneiminato)nitrosyliron,
Fe(NO)(Salen).” Inorg. Chim. Acta 1979, 33, 119-130.
Enemark, J. H. “Chemical Aspects of Nitrogen Fixation.” In Proceedings of the Steenbock-Kettering
International Symposium on Nitrogen Fixation, Vol. 1; Newton, W. E.; Orme-Johnson, W. H., Eds.; University
Park Press: Baltimore, 1980, pp 297-316.
Swedo, K. B.; Enemark, J. H. “Some Aspects of the Bioinorganic Chemistry of Molybdenum.” J. Chem. Educ.
1979, 56, 70-76.
Yamanouchi, K.; Enemark, J. H. “Structure of Tris[2-Aminobenzenethiolato(2-)-N,S]-molybdenum(VI),
Mo(NHC6H4S)3.” Inorg. Chem. 1978, 17, 2911-2917.
Huneke, J. T.; Enemark, J. H. “The Mo=S Bond Distance in Di-µ-Sulfido-Bis[Sulfido(N,N-Diethyldithiocarbamato)Molybdenum(V)].” Inorg. Chem. 1978, 17, 3698-3699.
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Haller, K. J.; Enemark, J. H. “Four-Coordinate Metal Nitrosyls. 2. Structures of NiX(NO)(P(C6H5)3)2
Complexes.” Inorg. Chem. 1978, 17, 3552-3558.
Huneke, J. T.; Yamanouchi, K.; Enemark, J. H. “Triply Bridged Molybdenum(V) Dimers. Crystal and
Molecular Structure of µ-(2-Mercaptoethanolato-S,O)-µ-Sulfido-Bis[Oxo(N,N-Diethyldithiocarbamato)Molybdenum(V)], Mo2O2S(SCH2CH2O)(S2CN(C2H5)2)2.” Inorg. Chem. 1978, 17, 3695-3697.
Yamanouchi, K.; Enemark, J. H. “Monomeric Molybdenum(V) Complexes. I. The Structure of
Bis(2-Aminobenzenethiolato)(Diethyldithiocarbamato)Molybdenum(V), Mo(NHC6H4S)2(S2CN(C2H5)2).” Inorg.
Chem. 1978, 17, 1981-1986.
Bunzey, G.; Enemark, J. H. “Molybdenum Complexes of Aliphatic Thiols. The Structures of the Syn and Anti
Isomers of the Di-µ-Sulfido-Bis(Sulfido-1,2-Dimercaptoethanatomolybdate(V) Anion, [Mo2S4(S2C2H4)2]2-.”
Inorg. Chem. 1978, 17, 682-688.
Haller, K. J.; Enemark, J. H. “Structural Chemistry of the {CoNO}8 Group. III. The Structure of
N,N'-Ethylenebis-(Salicylideniminato)Nitrosylcobalt(II), Co(NO)(Salen).” Acta Crystallogr, Sect. B 1978, 34,
102-109.
Bunzey, G.; Enemark, J. H.; Howie, J. K.; Sawyer, D. T. “Molybdenum Complexes of Aliphatic Thiols.
Isolation and Characterization of Two Isometric Forms of the Redox Active Binuclear Mo(V) Anion,
[Mo2S4(S2C2H4)2]2-.” J. Am. Chem. Soc. 1977, 99, 4168-4170.
Yamanouchi, K.; Enemark, J. H.; McDonald, J. W.; Newton, W. E. “A Triply Bridged Binuclear
Molybdenum(V) Compound Containing Two Kinds of Bridging Thiophenolate Groups.” J. Am. Chem. Soc.
1977, 99, 3529-3531.
Enemark, J. H.; Feltham, R. D.; Huie, B. T.; Johnson, P. L.; Swedo, K. B. “Stereochemical Control of Valence.
5. Comparison of the Molecular and Electronic Structures of Five- and Six-Coordinated
o-Phenylenebis(Dimethylarsine) Complexes of the {FeNO}7 Group.” J. Am. Chem. Soc. 1977, 99, 3285-3292.
Johnson, P. L.; Enemark, J. H.; Feltham, R. D.; Swedo, K. B. “Structural Chemistry of the {CoNO}8 Group. The
Structure of trans-Perchloratonitrosylbis(Ethylenediamine)Cobalt Perchlorate,
[Co(NO)(C2N2H8)2(OClO3)][ClO4].” Inorg. Chem. 1976, 15, 2989-2993.
Bunzey, G.; Enemark, J. H.; Gelder, J. I.; Yamanouchi, K.; Newton, W. E. “Preparation and Structure of a
Compound Containing a Triply Bridged Binuclear Mo(V) Cation and the [MoOCl4(H2O)]- Anion.” J.
Less-Common Metals 1977, 54, 101.
Broomhead, J. A.; Budge, J.; Enemark, J. H.; Feltham, R. D.; Gelder, J. I.; Johnson, P. L. “Preparation and
X-Ray Structure of a Hydrazine-Bridged Dinuclear Molybdenum Complex
[Mo(S2CN(C2H5)2)2(CO)2]2N2H4CH2Cl2.” In Advances in Bioinorganic Chemistry - II; Raymond, K. N., Ed.;
Am. Chem. Soc.: Washington, D.C., 1977, pp 421-429.
Gelder, J. I.; Enemark, J. H. “Crystal and Molecular Structure of Tetra-n-Butylammonium
Di-µ-Sulfido-Bis(Oxo-1,1-Dicyanoethylene-2,2-Dithiolatomolybdenum(V)),
[(n-C4H9)4N]2[Mo2O2S2(S2C2(CN)2)2].” Inorg. Chem. 1976, 15, 1839-1843.
Brant, P.; Enemark, J. H.; Balch, A. L. “X-Ray Photoelectron Spectra of Palladium and Platinum Complexes of
Carbenoid and Related Ligands.” J. Organomet. Chem. 1976, 114, 99-106.
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Gelder, J. I.; Enemark, J. H.; Wolterman, G.; Boston, D. A.; Haight, G. P. “Reactions of Bisoxinato Complexes
of [Mo2O4]2+. I. The Preparation and Structure of the Novel Coordination Compound
µ-(2-Mercaptoethanolato-S:O)-µ-Oxo-Bis[Oxo-8-Hydroxyquinolinatomolybdenum(V)].” J. Am. Chem. Soc.
1975, 97, 1616-1618.
Nappier, T. E.; Feltham, R. D.; Enemark, J. H.; Kruse, A.; Cooke, M. “Bis[o-Phenylenebis(Dimethylarsine)]Iron
Complexes with NO, CO, CH3CN, and Other Small Molecules.” Inorg. Chem. 1975, 14, 806-812.
Enemark, J. H.; Feltham, R. D.; Riker-Nappier, J.; Bizot, K. T. “Stereochemical Control of Valence. IV.
Comparison of the Structures and Chemical Reactivities of Five- and Six-Coordinate Diarsine Complexes of
{CoNO}8 Group.” Inorg. Chem. 1975, 14, 624-632.
Boehm, J. R.; Balch, A. L.; Bizot, K. R.; Enemark, J. H. “Oxidation of 1,1-Dimethyldrazine by Cupric Halides.
The Isolation of a Complex of 1,1 Dimethyldiazine and a Salt Containing the 1,1,5,5-Tetramethylformazanium
Ion.” J. Am. Chem. Soc. 1975, 97, 501-508.
Enemark, J. H.; Feltham, R. D. “Stereochemical Control of Valence. III. The {CoNO}8 Group in Ligand Fields
of C4V, C2V and CS Symmetry.” J. Am. Chem. Soc. 1974, 96, 5004-5005.
Enemark, J. H.; Feltham, R. D. “Stereochemical Control of Valence. II. The Behavior of the {MNO}n Groups in
Ligand Fields.” J. Am. Chem. Soc. 1974, 96, 5002-5004.
Enemark, J. H.; Feltham, R. D. “Principles of Structure, Bonding and Reactivity for Metal Nitrosyl Complexes.”
Coord. Chem. Rev. 1974, 13, 339-406.
Feltham, R. D.; Enemark, J. H. “Electrostatic Energies of the {CoNO}8 Group in Ligand Fields.” Theor. Chim.
Acta 1974, 34, 165-167.
Butler, W. H.; Enemark, J. H. “Addition of Ethanethiol to Coordinated Isocyanides. Structure of
trans-Bis(Methyl Isocyanide)Bis(Methylamino(Thioethoxy)Carbene)Platinum(II) Hexafluoro-phosphate,
[Pt(CH3NC)2{C(NHCH3)(SCH2CH3)}2][PF6]2.” Inorg. Chem. 1973, 12, 540-544.
Butler, W. H.; Enemark, J. H.; Parks, J.; Balch, A. L. “Chelative Addition of Hydrazines to Coordinated
Isocyanides. The Structure of Chugaev's Red Salt.” Inorg. Chem. 1973, 12, 451-457.
Butler, W. H.; Enemark, J. H. “Addition of Borohydride Ion to Coordinated Isocyanides: The Structure of
π-C5H5Fe(CO)[(CHNCH3)2BH2].” J. Organomet. Chem. 1973, 49, 233-238.
Enemark, J. H.; Feltham, R. D. “Stereochemical Control of Valence and Its Application to the Reduction of
Coordinated NO and N2.” Proc. Natl. Acad. Sci., USA. 1972, 69, 3534-3536.
Enemark, J. H.; Feltham, R. D. “Three-Dimensional Structural Investigation of Bis(Dimethyldithiocarbamato)Nitrosylcobalt: CoNO(S2CNMe2)2.” J. Chem. Soc., Dalton Trans. 1972, 718-722.
Butler, W. M.; Enemark, J. H. “Chelative Addition of Hydrazine to Coordinated Isocyanides. The Structure of
1,1-Dichloropallado-2,5-Di-(Methylamino)-3,4-Diazacyclopentadiene, [(CH3)2C2N4H4]PdCl2.” Inorg. Chem.
1971, 10, 2416-2419.
Miller, J.; Balch, A. L.; Enemark, J. H. “Addition of Methylamine to Hexakis(Methyl Isocyanide)Iron(II). The
Formation of an Unusual Chelating Ligand.” J. Am Chem. Soc. 1971, 93, 4613-4614.
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Enemark, J. H. “Four-Coordinated Metal Nitrosyls. I. The Structure of Azidonitrosylbis(Triphenylphosphine)Nickel, Ni(N3)(NO)(P(C6H5)3)2.” Inorg. Chem. 1971, 10, 1952-1957.
Enemark, J. H.; Quinby, M. S.; Reed, L. L.; Steuk, M. J.; Walthers, K. K. “The Crystal and Molecular Structure
of Tris(Ethylenediamine)Cobalt Pentacyanonitrosylchromate Dihydrate, [Co(C2H8N2)3][Cr(CN)5(NO)]2H2O.”
Inorg. Chem. 1970, 9, 2397-2403.
Burke, A.; Balch, A. L.; Enemark, J. H. “Palladium and Platinum Complexes Resulting from the Addition of
Hydrazine to Coordinated Isocyanide.” J. Am. Chem. Soc. 1970, 92, 2555-2557.
From work done prior to appointment at the University of Arizona
Frenz, B. A.; Enemark, J. H.; Hodgson, D. J.; Robinson, W. T.; Loyd, R. J.; Ibers, J. A. “A Simple Cold Gas
Flow Apparatus.” J. Appl. Cryst. 1969, 2, 112-115.
Frenz, B. A.; Enemark, J. H.; Ibers, J. A. “The Structure of Nitrosyltetracarbonylmanganese, Mn(NO)(CO)4.”
Inorg. Chem. 1969, 8, 1288-1293.
Enemark, J. H.; Ibers, J. A. “The Crystal and Molecular Structure of Chlorotriphenylphosphonium
Bis(cis-1,2-Bis(Trifluoromethyl)Ethene-1,2-Dithiolato)Gold, [PC1(C6H5)3][Au(S2C2(CF3)2)2].” Inorg. Chem.
1968, 7, 2636-2642.
Enemark, J. H.; Ibers, J. A. “The Structure of Nitrosyltricarbonyltriphenylphosphinemanganese,
Mn(NO)(CO)3(P(C6H5)3).” Inorg. Chem. 1968, 7, 2339-2344.
Lambert, J. B.; Carhart, R. E.; Corfield, P. W. R.; Enemark, J. H. “Comparison of Solid- and Liquid-Phase
Conformations; 4,4-Diphenylcyclohexanone, a Flattened Chair.” Chem. Commun. 1968, 999-1001.
Enemark, J. H.; Davis, B. R.; McGinnety, J. A.; Ibers, J. A. “The Structure of a Molecular Nitrogen Compound
of Cobalt and Evidence for CoH(N2)(PPh3)3.” Chem. Commun. 1968, 96-97.
Enemark, J. H.; Ibers, J. A. “The Molecular Structure of Nitrosyldicarbonylbis(Triphenyl phosphine)Manganese,
Mn(NO)(CO)2(P(C6H5)3)2.” Inorg. Chem. 1967, 6, 1575-1581.
Enemark, J. H.; Friedman, L. B.; Lipscomb, W. N. “The Molecular and Crystal Structure of
B20H16(NCCH3)2CH3CN.” Inorg. Chem. 1966, 5, 2165-2173.
Enemark, J. H.; Friedman, L. B.; Hartsuck, J. A.; Lipscomb, W. N. “Structure of B20H16(NCCH3)2CH3CN.” J.
Am. Chem. Soc. 1966, 88, 3659-3661.
Enemark, J. H.; Lipscomb, W. N. “Molecular Structure of the Dimer of
Bis(cis-1,2-Bis(Trifluoromethyl)Ethylene-1,2-Dithiolate)Cobalt.” Inorg. Chem. 1965, 4, 1729-1734.
Enemark, J. H.; Holm, R. H. “A Study of the Transition Metal Compounds Containing the Tricyanomethanide
Ion.” Inorg. Chem. 1964, 3, 1516-1521.
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