Two unprecedented inorganic-organic boxlike and chainlike hybrids based on arsenic-vanadium clusters linked by nickel complexes |
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| Authors: | Yanfei Qi Hua Jin Zhiming Zhang Xinglong Wang Song Chang |
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| Affiliation: | Key Laboratory of Polyoxometalate Science of Ministry of Education, Faculty of Chemistry, Institute of Polyoxometalate Chemistry, Northeast Normal University, Changchun, Jinlin 130024, PR China |
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| Abstract: | Two novel organic-inorganic hybrid arsenic-vanadates, [{Ni(en)2}4(4,4′-bipy)4{Ni(H2O)2}]2[As8V14O42(NO3)]4·16H2O 1 and [Ni(en)2(H2O)2]2[{Ni(en)2(H2O)}2As8V14O42(NO3)][{Ni(en)2}As8V14O42(NO3)]·6H2O 2 are reported in this study. Crystal data for compound 1: Tetragonal, I4/m, a=27.507(4) Å, b=27.507(4) Å, c=22.101(4) Å; V=16722(5) Å3, Z=2, R(final)=0.0508. Crystal data for compound 2: Triclinic, P-1, a=11.530(2) Å, b=14.883(3) Å, c=21.330(4) Å, α=76.94(3)°, β=76.58(3)°, γ=69.54(3)°, V=3293.4(1) Å3, Z=1, R(final)=0.0559. The boxlike structure of compound 1 is designed from [{Ni(en)2}4(4,4′-bipy)4{Ni(H2O)2}] sheets pillared by [α-As8V14O42] clusters, which represents the first mixed-organic ligand-decorated tetrameric As-V-O cluster. Compound 2 is constructed from the rarely [β-As8V14O42] clusters and Ni coordination complex fragments. The electrochemical property and magnetic property of compound 1 have been studied. |
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| Keywords: | Polyoxometalates Arsenic-vanadium Mixed ligands Electrochemical property Magnetic properties |
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