Two new transition-metal complexes (TMCs)-templated three-dimensional supramolecular networks based on tungstovanadophosphates |
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| Authors: | Yu-Kun Lu Tie-Gang Wang |
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| Institution: | College of Chemistry and State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, Jilin 130021, P.R. China |
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| Abstract: | Two new polyoxometalates Ni(phen)3]Ni(en)3]Ni(en)2(H2O)2]Ni(en)2]0.5PWVI7WV2VIV3O40(VIVO)2]·6H2O (1) and Ni(phen)3]2Ni(en)2]NaPWVI7WV2VIV3O40(VIVO)2]·8H2O (2) (en=ethylenediamine, phen=1,10-phenanthroline) have been hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction, IR, EPR, XPS, elemental analysis and thermogravimetry. Their structures exhibit interesting 3D supramolecular networks, and contain new bicapped (pseudo-) Keggin-type tungsten-vanadium cluster and the template transition-metal complexes (TMCs) being generated in situ under mild hydrothermal conditions. Interestingly, compound 1 contains four different kinds of nickel complex countercations. |
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| Keywords: | Tungstovanadophosphates In situ template Bicapped α-Keggin Supramolecular |
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