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Chemistry of Coordinatively Unsaturated Sites in Porous Coordination Polymers
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- Tashiro Shohei
- Department of Chemistry, Graduate School of Science, The University of Tokyo
Bibliographic Information
- Other Title
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- 多孔性配位高分子における配位不飽和サイトの化学
- タコウセイ ハイイ コウブンシ ニ オケル ハイイ フホウワ サイト ノ カガク
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Description
Porous metal complexes such as metal-organic framework (MOF) and porous coordination polymer (PCP) are one of the current attractive structural motifs because of their utility for several practical applications such as storage and separation of ions/molecules, catalysis, and proton conduction. Herein, this paper focuses on coordinatively unsaturated sites arranged in porous metal complexes as useful function centers. For example, unsaturated sites of Cu(II) and Zn(II) in two porous metal complexes, Cu3(btc)2 (btc = 1,3,5-benzenetricarboxylate) and Zn2(dobdc) (dobdc = 2,5-dioxido-1,4-benzenedicarboxylate), respectively, serves as good binding sites for hydrogen molecules as proven by neutron powder diffraction. Similar ferrous MOF, Fe2(dobdc), also realized the separation of olefin and paraffin gases through strong interaction between olefin molecules and the unsaturated Fe(II) sites. Furthermore, it was found that the unsaturated sites of Fe2(dobdc) could bind oxygen molecules through redox reaction to generate Fe(II/III)-O2- or Fe(III)-O22- species depending on the temperature. Therefore, application of the unsaturated coordination sites of MOF/PCP is promising not only for gas storage, separation and catalysis but also for a field of bioinorganic chemistry as active site models of metalloenzymes.
Journal
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- Bulletin of Japan Society of Coordination Chemistry
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Bulletin of Japan Society of Coordination Chemistry 60 (0), 32-34, 2012
Japan Society of Coordination Chemistry