Synthesis and Structure of a New Mixed-polyoxometalate （W/Mo） Compound: H₅K{[Co（H₂O）₅]₂(H₂Mo_3.24W_8.76O₄₂)}·19H₂O

【摘要】 One new polyoxometalate compound connected via cobalt/potassium cations,namely H5K{[Co(H2O)5]2(H2Mo3.24W8.76O42)}·19H2O 1,was prepared and characterized by ele- mental analysis and IR spectroscopy. Single-crystal X-ray diffraction analysis result reveals that anions of {[Co(H2O)5]2(H2Mo3.24W8.76O42)}6- in compound 1 are linked by potassium cations to form one- dimensional chain,based on which a three-dimensional network is further constructed with the help of hydrogen bonds. Crystal data: H67Co2KMo3.24O72W8.76,Mr = 3297.87,monoclinic,C2/c,a = 19.0126(10),b = 16.6025(5),c = 19.1908(10) ,β = 106.713(1)°,V = 5801.8(5) 3,Z = 4,Dc = 3.755 g/cm3,F(000) = 5961,μ = 18.730 mm·1,R = 0.0569 and wR = 0.1437 (I > 2σ(I)).更多还原

【Abstract】 One new polyoxometalate compound connected via cobalt/potassium cations,namely H5K{[Co(H2O)5]2(H2Mo3.24W8.76O42)}·19H2O 1,was prepared and characterized by ele- mental analysis and IR spectroscopy. Single-crystal X-ray diffraction analysis result reveals that anions of {[Co(H2O)5]2(H2Mo3.24W8.76O42)}6- in compound 1 are linked by potassium cations to form one- dimensional chain,based on which a three-dimensional network is further constructed with the help of hydrogen bonds. Crystal data: H67Co2KMo3.24O72W8.76,Mr = 3297.87,monoclinic,C2/c,a = 19.0126(10),b = 16.6025(5),c = 19.1908(10) ,β = 106.713(1)°,V = 5801.8(5) 3,Z = 4,Dc = 3.755 g/cm3,F(000) = 5961,μ = 18.730 mm·1,R = 0.0569 and wR = 0.1437 (I > 2σ(I)).更多还原