Hydrothermal Synthesis and Structural Characterization of two Hybrid Keggin-based Polyoxometalates |
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| Authors: | LI Bing ZHENG Shou-Tian YANG Guo-Yu |
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| Affiliation: | 1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, The Chinese Academy of Sciences, Fuzhou, Fujian 350002, China;Department of Chemistry, Zhejiang Forestry University, Lin'an 311300, China
2. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, The Chinese Academy of Sciences, Fuzhou, Fujian 350002, China |
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| Abstract: | Two new hybrid polyoxotungstates, [Co(2,2'-bipy)3][α-H5PW11CoO40]·3H2O 1 synthesized and characterized by IR, TGA and single-crystal X-ray structural analyses. The results of X-ray crystallography analyses exhibit that 1 consists of one α-Keggin anion [α-H5PW11CoO40]2- and one isolated [Co(2,2'-bipy)3]2+ complex, while 2 is constructed from one α-Keggin anion [α-HBW12O40]4- and two isolated [Fe(2,2'-bipy)3]2+ cations. The data for 1: orthorhombic system, space group Pbcn, a = 16.062(6), b = 27.278(10), c = 16.951(6) A, V= 7427(5) A3 and Z = 4; and those for 2: triclinic system, space group P1, a = 13.787(3), b = 17.857(5), c = 18.918(5) A, α = 88.009(12), β = 72.768(10), γ = 74.935(10)γ, V = 4291(2) A3 and Z = 2. |
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| Keywords: | polyoxometalates hydrothermal synthesis Keggin structure |
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