Publisher version
... while BH4 (blue tetrahedra) coordinates either to the metal or acts as a counter ion in the solid state [61]. For clarity, hydrogen atoms in the ammonia molecules are not shown in Mg(BH4)26NH3. ...
... while BH4 (blue tetrahedra) coordinates either to the metal or acts as a counter ion in the solid state [61]. For clarity, hydrogen atoms in the ammonia molecules are not shown in Mg(BH4)26NH3. ...
Synthetic Strategies, Structure Patterns, and Emerging
... solid (compare parts d and f). The facility with which the ion exchange occurs coupled with the fact that the morphology of its crystalline particles is retained throughout the exchange process is further evidence that the anions are diffusing into the framework without any dissolution/recrystalliza ...
... solid (compare parts d and f). The facility with which the ion exchange occurs coupled with the fact that the morphology of its crystalline particles is retained throughout the exchange process is further evidence that the anions are diffusing into the framework without any dissolution/recrystalliza ...
CadmiumFurandicarboxylate Coordination Polymers Prepared with
... their many applications from catalysis to gas adsorption. It is well reported that bifunctional dicarboxylates served to bridge various metal ions producing many highly porous and catalytically active frameworks.10 Yaghi’s group has developed a family of compounds based on one structural arrangement ...
... their many applications from catalysis to gas adsorption. It is well reported that bifunctional dicarboxylates served to bridge various metal ions producing many highly porous and catalytically active frameworks.10 Yaghi’s group has developed a family of compounds based on one structural arrangement ...
Mg-based compounds for hydrogen and energy storage
... hydrogen, were obtained for Mg1-xNix alloys with different compositions (0 B x B 0.33) prepared by melt spinning [27]. A second aspect is that in the processing of Mg materials, such as ball-milling or nanoconfinement, Ni often has an influence on the structural properties of the resulting material ...
... hydrogen, were obtained for Mg1-xNix alloys with different compositions (0 B x B 0.33) prepared by melt spinning [27]. A second aspect is that in the processing of Mg materials, such as ball-milling or nanoconfinement, Ni often has an influence on the structural properties of the resulting material ...
Interaction between hydrogen molecules and - FHI
... In recent years, tremendous research efforts have been made in exploring hydrogen as a potential energy carrier for efficient, clean, and renewable energy resource.1,2 However, there are still challenges for practical application of hydrogen fuel. One of them is to find an optimum hydrogen storage m ...
... In recent years, tremendous research efforts have been made in exploring hydrogen as a potential energy carrier for efficient, clean, and renewable energy resource.1,2 However, there are still challenges for practical application of hydrogen fuel. One of them is to find an optimum hydrogen storage m ...
PDF file - Berkeley Global Science Institute
... tetrahedra with a common vertex and six carboxylate C atoms that define an octahedral SBU are joined together by benzene links. This leads to a cubic network in which the vertices are the octahedral SBUs and the edges are the benzene struts. In practice, this compound was prepared from Zn(II) and BD ...
... tetrahedra with a common vertex and six carboxylate C atoms that define an octahedral SBU are joined together by benzene links. This leads to a cubic network in which the vertices are the octahedral SBUs and the edges are the benzene struts. In practice, this compound was prepared from Zn(II) and BD ...
Similarities in the electrical properties of transition metal–hydrogen
... atoms. An amphoteric Pt–H2 complex with similar electrical properties has also been detected by Uftring et al. [22] using electron paramagnetic resonance and vibrational spectroscopy. Calculations of Resende confirm this assignment [23]. We further assign H(150) to Pt–H3 although the fit of the prof ...
... atoms. An amphoteric Pt–H2 complex with similar electrical properties has also been detected by Uftring et al. [22] using electron paramagnetic resonance and vibrational spectroscopy. Calculations of Resende confirm this assignment [23]. We further assign H(150) to Pt–H3 although the fit of the prof ...
Multifunctional N,O-type Carborane-Based Materials: from Molecular Complexes to Three Dimensional Metal-Organic Frameworks
... para-closo-carborane cluster as the building backbone. It follows the synthesis of new metal complexes incorporating these ligands and the potential applications for the corresponding materials, ranging from finite molecular complexes to three dimensional frameworks. Section 3.1 contains the synthes ...
... para-closo-carborane cluster as the building backbone. It follows the synthesis of new metal complexes incorporating these ligands and the potential applications for the corresponding materials, ranging from finite molecular complexes to three dimensional frameworks. Section 3.1 contains the synthes ...
Modular Chemistry: Secondary Building Units as a
... since the attainment of well-defined structures is intimately linked to an understanding of the design, synthesis, and properties of materials. In particular, we have been interested in the construction of porous materials due to their immense impact on the global economy and the fascinating prospec ...
... since the attainment of well-defined structures is intimately linked to an understanding of the design, synthesis, and properties of materials. In particular, we have been interested in the construction of porous materials due to their immense impact on the global economy and the fascinating prospec ...
Kinds and Characteristics of Hydrogen Storage Alloy
... The first group is the combination of alkali earth metal A and transition metal B in the form of A2B, as represented by Mg2Ni. All of alloys classified in this group have not always identical crystal structures, and hydrides formed may have different structures. However, all of alloys contain magnes ...
... The first group is the combination of alkali earth metal A and transition metal B in the form of A2B, as represented by Mg2Ni. All of alloys classified in this group have not always identical crystal structures, and hydrides formed may have different structures. However, all of alloys contain magnes ...
1 Assignment 4 Hydrogen – The Unique Element
... with water to produce hydrogen gas and a metal hydroxide. This means that they can be used as drying agents for solvents – the most commonly used in this regard is CaH2. p-Block molecular hydrides have different reactivities depending on their group and also the first row 2p compounds are significan ...
... with water to produce hydrogen gas and a metal hydroxide. This means that they can be used as drying agents for solvents – the most commonly used in this regard is CaH2. p-Block molecular hydrides have different reactivities depending on their group and also the first row 2p compounds are significan ...
1 Assignment 5 Hydrogen – The Unique Element
... with water to produce hydrogen gas and a metal hydroxide. This means that they can be used as drying agents for solvents – the most commonly used in this regard is CaH2. p-Block molecular hydrides have different reactivities depending on their group and also the first row 2p compounds are significan ...
... with water to produce hydrogen gas and a metal hydroxide. This means that they can be used as drying agents for solvents – the most commonly used in this regard is CaH2. p-Block molecular hydrides have different reactivities depending on their group and also the first row 2p compounds are significan ...
The Chemistry and Applications of Metal
... octahedral SBUs each linked by six chelating 1,4-benzenedicarboxylate (BDC2–) units to give a cubic framework (Fig. 2, figs. S2 and S3, and tables S1 and S2). The architectural robustness of MOF-5 allowed for gas sorption measurements, which revealed 61% porosity and a BrunauerEmmett-Teller (BET) su ...
... octahedral SBUs each linked by six chelating 1,4-benzenedicarboxylate (BDC2–) units to give a cubic framework (Fig. 2, figs. S2 and S3, and tables S1 and S2). The architectural robustness of MOF-5 allowed for gas sorption measurements, which revealed 61% porosity and a BrunauerEmmett-Teller (BET) su ...
Development of porous coordination polymers (PCP)
... Adsorption of gases with small molecule size - flexible designability to create various functions Previously, zeolite, which has a porous structure with countless "holes," was widely used as an adsorbent for gases. Since the surface area is large, it can adsorb a large amount of gas molecules. Carbo ...
... Adsorption of gases with small molecule size - flexible designability to create various functions Previously, zeolite, which has a porous structure with countless "holes," was widely used as an adsorbent for gases. Since the surface area is large, it can adsorb a large amount of gas molecules. Carbo ...
CrystEngComm
... heterocyclic dicarboxylic acid family. Owing to the larger radius of the S atom, as compared to C, N, and O, its one pair of electrons can easily delocalize over the heterocyclic ring, and as a ligand thiophene-2,5-dicarboxylic acid exhibits good charge-transfer ability. Furan-2,5-dicarboxylic acid, ...
... heterocyclic dicarboxylic acid family. Owing to the larger radius of the S atom, as compared to C, N, and O, its one pair of electrons can easily delocalize over the heterocyclic ring, and as a ligand thiophene-2,5-dicarboxylic acid exhibits good charge-transfer ability. Furan-2,5-dicarboxylic acid, ...
PFC_MOF_McKellar_crsytengcomm_refereeresponses
... data decreased rapidly (≈ 1.3 Å). Nevertheless, the sample could still be confirmed as being in the crystalline monoclinic phase. This work is the first example of a penetrating (CO2) and a nonpenetrating (FC-77) medium being used simultaneously, so it is therefore interesting to speculate on the co ...
... data decreased rapidly (≈ 1.3 Å). Nevertheless, the sample could still be confirmed as being in the crystalline monoclinic phase. This work is the first example of a penetrating (CO2) and a nonpenetrating (FC-77) medium being used simultaneously, so it is therefore interesting to speculate on the co ...
Weak Interactions
... How do we get a measure of non-covalent interactions? Boiling point (being the temperature at which vapor pressure of substance equals the ambient pressure) is a better measure of non-covalent forces as compared to Melting point (which not only influenced by Attractive forces but also the crystal ...
... How do we get a measure of non-covalent interactions? Boiling point (being the temperature at which vapor pressure of substance equals the ambient pressure) is a better measure of non-covalent forces as compared to Melting point (which not only influenced by Attractive forces but also the crystal ...
a function of their size, Thus, the most signiticant consequence of
... activities. At present, almost 200 different structural types of zeolites have been recognized, diifering in the size, shape and connectivity of their channels FO,:Z]. These materials are much more than just an ideal 3-D regular arangement of TO+ tetrahedral having channels and voids that hold ap"pr ...
... activities. At present, almost 200 different structural types of zeolites have been recognized, diifering in the size, shape and connectivity of their channels FO,:Z]. These materials are much more than just an ideal 3-D regular arangement of TO+ tetrahedral having channels and voids that hold ap"pr ...
UN1001: Section 11: Hydrogen Effects
... up hydrogen (or deuterium in heavy water ) by general corrosion. The hydrogen (D) migrates through the metal lattice to cool regions and to regions of high tensile stress - can precipitate as a separate phase - zirconium hydride. These hydrides are themselves brittle, and crack, and the crack can pr ...
... up hydrogen (or deuterium in heavy water ) by general corrosion. The hydrogen (D) migrates through the metal lattice to cool regions and to regions of high tensile stress - can precipitate as a separate phase - zirconium hydride. These hydrides are themselves brittle, and crack, and the crack can pr ...
Porosity in Metal–Organic Compounds - Omar Yaghi
... functionalization and structure control of these classes of porous materials have been long‐standing challenges. Indeed, the incorporation of organic functionality and transition metal ions within the structures of these porous materials remain objectives highly sought after. Inorganic and organic m ...
... functionalization and structure control of these classes of porous materials have been long‐standing challenges. Indeed, the incorporation of organic functionality and transition metal ions within the structures of these porous materials remain objectives highly sought after. Inorganic and organic m ...
Theoretical Limits of Hydrogen Storage in MetalâOrganic Frameworks
... transportation technologies has highlighted the need for highdensity energy storage.1 In the case of fuel cell vehicles (FCV), the energy storage problem can be traced to challenges associated with storing low-density gaseous H2.2 Although several approaches to storing hydrogen have been explored, ( ...
... transportation technologies has highlighted the need for highdensity energy storage.1 In the case of fuel cell vehicles (FCV), the energy storage problem can be traced to challenges associated with storing low-density gaseous H2.2 Although several approaches to storing hydrogen have been explored, ( ...
Converting 3D rigid metal-organic frameworks (MOFs) to 2D flexible
... limitations in structural diversity and flexibility. Novel adsorbents are required to improve gas separation performance and minimize the energy required for separation. Flexible metal– organic frameworks (MOFs) or porous coordination polymers (PCPs) are promising adsorbents for gas separation,1 sin ...
... limitations in structural diversity and flexibility. Novel adsorbents are required to improve gas separation performance and minimize the energy required for separation. Flexible metal– organic frameworks (MOFs) or porous coordination polymers (PCPs) are promising adsorbents for gas separation,1 sin ...
feature articles
... the MOF field. However, although these techniques are widely employed and well understood (being over a century old), the structure solution of highly porous materials is not always a straightforward process. Factors which prevent trivial structural elucidation include the presence of a large amount ...
... the MOF field. However, although these techniques are widely employed and well understood (being over a century old), the structure solution of highly porous materials is not always a straightforward process. Factors which prevent trivial structural elucidation include the presence of a large amount ...
crystals - MDPI.com
... ligands and metal species that display different network structures”. This type of phenomenon has been shown in MOFs constructed from H2TBC and Zinc by changing the solvent system. Historically MOFs utilizing H2TBC as the ligand have for the most part been paired with zinc via the hydrothermal techn ...
... ligands and metal species that display different network structures”. This type of phenomenon has been shown in MOFs constructed from H2TBC and Zinc by changing the solvent system. Historically MOFs utilizing H2TBC as the ligand have for the most part been paired with zinc via the hydrothermal techn ...