Synthesis and characterization of a polyoxotungstate-supported metal compound [{Cu(enMe)2(H2O)}{Cu(enMe)2}3P2W18O62] · nH2O |
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| Authors: | Xue-Gong Cao Zhi-Jian Chen Pei-De Liu |
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| Affiliation: | Department of Applied Chemistry, Huaqiao University, Quanzhou 362021, China |
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| Abstract: | A new polyoxotungstate formed by Wells-Dawson clusters and copper(II) complexes, [{Cu(enMe)2(H2O)}{Cu(enMe)2}3P2W18O62] · nH2O (enMe = 1,2-diaminopropane, n = 0.81) has been synthesized under hydrothermal conditions. Single-crystal X-ray diffraction revealed that one terminal and three bridging oxygen atoms of the Wells-Dawson cluster in the title compound are coordinated to copper(II) atoms, and forming a unique tetrasupporting polyoxometalate structure. Its cyclic voltammetric behavior in aqueous electrolyte demonstrated that its modified carbon paste electrode has a good stability. It was exhibited that the compound has catalytic activity in epoxidation of maleic anhydride. |
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| Keywords: | Polyoxometalates Cluster compounds Organic-inorganic hybrid material Crystal structure Electrochemical property Catalytic property |
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