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Synthesis and Structure of a New Mixed-polyoxometalate (W/Mo) Compound: H_5K{[Co(H_2O)_5]_2(H_2Mo_(3.24)W_(8.76)O_(42))}·19H_2O

Xiu Zhang

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Abstract

One new polyoxometalate compound connected via cobalt/potassium cations, namely H5K{[Co(H2O)5]2(H 2Mo3.24W8.76O42)}.19H2O 1, was prepared and characterized by elemental analysis and IR spectroscopy. Single-crystal X-ray diffraction analysis result reveals that anions of {[Co(H2O)5]2(H2Mo 3.24W8.76O42)}6- in compound 1 are linked by potassium cations to form onedimensional chain, based on which a three-dimensional network is further constructed with the help of hydrogen bonds. Crystal data: H67Co2KMo3.24O 72W8.76, Mr = 3297.87, monoclinic, C2/c, a = 19.0126(10), b = 16.6025(5), c = 19.1908(10) Å, β = 106.713(1)°, V= 5801.8(5) Å3, 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)).

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One new polyoxometalate compound connected via cobalt/potassium cations, namely H5K{[Co(H2O)5]2(H 2Mo3.24W8.76O42)}.19H2O 1, was prepared and characterized by elemental analysis and IR spectroscopy. Single-crystal X-ray diffraction analysis result reveals that anions of {[Co(H2O)5]2(H2Mo 3.24W8.76O42)}6- in compound 1 are linked by potassium cations to form onedimensional chain, based on which a three-dimensional network is further constructed with the help of hydrogen bonds. Crystal data: H67Co2KMo3.24O 72W8.76, Mr = 3297.87, monoclinic, C2/c, a = 19.0126(10), b = 16.6025(5), c = 19.1908(10) Å, β = 106.713(1)°, V= 5801.8(5) Å3, 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)).

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Available abstract

One new polyoxometalate compound connected via cobalt/potassium cations, namely H5K{[Co(H2O)5]2(H 2Mo3.24W8.76O42)}.19H2O 1, was prepared and characterized by elemental analysis and IR spectroscopy. Single-crystal X-ray diffraction analysis result reveals that anions of {[Co(H2O)5]2(H2Mo 3.24W8.76O42)}6- in compound 1 are linked by potassium cations to form onedimensional chain, based on which a three-dimensional network is further constructed with the help of hydrogen bonds. Crystal data: H67Co2KMo3.24O 72W8.76, Mr = 3297.87, monoclinic, C2/c, a = 19.0126(10), b = 16.6025(5), c = 19.1908(10) Å, β = 106.713(1)°, V= 5801.8(5) Å3, 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)).

Key concepts: Polyoxometalate, Chemistry, Monoclinic crystal system, Hydrogen bond, Potassium, Crystallography, Crystal structure, Infrared spectroscopy

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Synthesis and Structure of a New Mixed-polyoxometalate (W/Mo) Compound: H_5K{[Co(H_2O)_5]_2(H_2Mo_(3.24)W_(8.76)O_(42))}·19H_2O — Research Paper | ScholarLens