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No Slide Title
No Slide Title

... 4. sigma () molecular orbitals: The electron probability of both bonding and antibonding molecular orbitals is centered along the line passing through the two nuclei, where the electron probability is the same along any line drawn perpendicular to the bond axis at a given point on the axis. They ar ...
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... metal.  The  name  ligand-­‐field  theory  is  used  to  refer   to  the  approach  in  present  use;  it  is  basically  the   same  as  the  pure  crystal  field  approach,  except  that   covalent  interac�on  is  taken  into  accoun ...
Lab 8: Ligand Substitution in Transition Metal Complexes
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... ties to the well-known spectrochemical ligand any more recent general review of V02+. series that had generally been generated from Later work by many others with V02+, unoptical spectral data. It occurred to me then diminished in quantity, has largely been more that by studying complexes of molecul ...
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... •Where does the variety in colour come from? •Many co-ordination complexes have octahedral geometry. This means that two of the d orbitals on the transition metal point directly at ligands while the other three do not: ...
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... Since'there'are'fewer'ligands'and'they'do'not'line'up'as'well'with'the'transition'metal'd' orbitals,'the'magnitude'of'the'splitting'(10Dq)'is'roughly'4/9'of'the'splitting'in'an' octahedral'ligand'field.' In'contrast'with'the'octahedral'ligand'field,'the'energy'of'the'dxy,'dyz,'and'dxz'orbitals'(t2)' ...
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The bonding in transition metal complex is called coordinate
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CODECS 2013 Workshop. San Lorenzo de El Escorial, Madrid, 18th
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... competing structures and NMR spectra simulation. Unusual stability of the complex (Eint = -60.0 kcal mol-1) is related to its positive charge, as an interaction energy of its neutral analogous is only -25.8 kcal mol-1. The interaction energy of the charged complex decays much slower with the intermo ...
Slide 1
Slide 1

... -Acceptor Ligands (e.g. CO, N2, C2H4) ...
Lectures 29-31
Lectures 29-31

... •Where does the variety in colour come from? •Many co-ordination complexes have octahedral geometry. This means that two of the d orbitals on the transition metal point directly at ligands while the other three do not: ...
Chapter 20 d-block metal chemistry: coordination complexes
Chapter 20 d-block metal chemistry: coordination complexes

... Square planar complexes may either be weak- or strong-field. 2. Oxidation State of Metal Cation – A greater charge on cation results in a greater magnitude of  Why? A greater charge pulls ligands more strongly towards the metal, therefore influences the splitting of the energy levels more. 3. Size ...
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Jahn–Teller effect



The Jahn–Teller effect, sometimes also known as Jahn–Teller distortion, describes the geometrical distortion of molecules and ions that is associated with certain electron configurations. This electronic effect is named after Hermann Arthur Jahn and Edward Teller, who proved, using group theory, that orbital nonlinear spatially degenerate molecules cannot be stable. The Jahn–Teller theorem essentially states that any nonlinear molecule with a spatially degenerate electronic ground state will undergo a geometrical distortion that removes that degeneracy, because the distortion lowers the overall energy of the species. For a description of another type of geometrical distortion that occurs in crystals with substitutional impurities see article off-center ions.
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