The crystals of the title compounds (H3O)(C3H5N2)[Mn(OH)6Mo6O18]?3.5H2O 1 and (H3O)3[Co(OH)6Mo6O18]?7H2O 2 have been prepared and structurally determined by X-ray single-crystal diffraction. Compound 1 crystallizes ...The crystals of the title compounds (H3O)(C3H5N2)[Mn(OH)6Mo6O18]?3.5H2O 1 and (H3O)3[Co(OH)6Mo6O18]?7H2O 2 have been prepared and structurally determined by X-ray single-crystal diffraction. Compound 1 crystallizes in monoclinic, space group C2/c with a = 21.5018(9), b = 10.9331(5), c = 11.8667(5) ?, β = 95.3570(10)o, V = 2777.5(2) ?3, Z = 4, Dc = 2.802 g/cm3, Mr = 1171.80, μ(MoKα) = 3.173 mm-1, F(000) = 223, the final R = 0.0458 and wR = 0.1041 for 2093 observed reflections (I > 2σ(I)); Compound 2 crystallizes in monoclinic, space group P21/c with a = 11.4042(12), b = 10.9481(11), c = 11.6722(12) ?, β = 99.948(2)o, V = 1435.4(3) ?3, Z = 2, Dc = 2.794 g/cm3, Mr = 1207.80, μ(MoKα) = 3.223 mm-1, F(000) = 1160, the final R = 0.0544 and wR = 0.1066 for 1906 observed reflections (I > 2σ(I)). Both compounds 1 and 2 adopt the Anderson structure, in which the anion is of centrosymmetry and formed by six octahedral edge-sharing MoO6units surrounding the central MO6 (M = Mn or Co) octahedron.展开更多
基金This work was supported by the National Natural Science Foundation of China (90206040 20333070and 20303021) and Natural Science Foundation of Fujian Province (20002F015 and 2002J006)
文摘The crystals of the title compounds (H3O)(C3H5N2)[Mn(OH)6Mo6O18]?3.5H2O 1 and (H3O)3[Co(OH)6Mo6O18]?7H2O 2 have been prepared and structurally determined by X-ray single-crystal diffraction. Compound 1 crystallizes in monoclinic, space group C2/c with a = 21.5018(9), b = 10.9331(5), c = 11.8667(5) ?, β = 95.3570(10)o, V = 2777.5(2) ?3, Z = 4, Dc = 2.802 g/cm3, Mr = 1171.80, μ(MoKα) = 3.173 mm-1, F(000) = 223, the final R = 0.0458 and wR = 0.1041 for 2093 observed reflections (I > 2σ(I)); Compound 2 crystallizes in monoclinic, space group P21/c with a = 11.4042(12), b = 10.9481(11), c = 11.6722(12) ?, β = 99.948(2)o, V = 1435.4(3) ?3, Z = 2, Dc = 2.794 g/cm3, Mr = 1207.80, μ(MoKα) = 3.223 mm-1, F(000) = 1160, the final R = 0.0544 and wR = 0.1066 for 1906 observed reflections (I > 2σ(I)). Both compounds 1 and 2 adopt the Anderson structure, in which the anion is of centrosymmetry and formed by six octahedral edge-sharing MoO6units surrounding the central MO6 (M = Mn or Co) octahedron.
