【摘 要】
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Two coordination polymers, [ML2]n (M = Co (1), Ni (2), L = 3-aminobenzoic acid anion), were synthesized by hydrothermal reaction, and their crystal structures w
【机 构】
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College of Chemistry and Chemical Engineering,Department of Chemistry and life science,Department of
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Two coordination polymers, [ML2]n (M = Co (1), Ni (2), L = 3-aminobenzoic acid anion), were synthesized by hydrothermal reaction, and their crystal structures were determined by X-ray diffraction analysis. Both compounds crystallize in monoclinic, space group P21/n with a = 8.8029(8), b = 4.5297(4), c = 15.2002(14)(A),β = 105.6280(10)o, C14H12CoN2O4, Mr = 331.19, Z = 2, V = 583.69(9)(A)3, Dc = 1.884 g/cm3, μ =1.490 mm-1, F(000) = 338, R = 0.0234 and wR = 0.0679 for 1337 observed reflections (I > 2σ(I)) for 1, and a = 8.7501(7), b = 4.5191(4), c = 15.1448(12)(A),β = 105.7730(10)o, C14H12 NiN2O4, Mr = 330.97, Z = 2, V = 576.31(8)(A)3, Dc = 1.907 g/cm3, μ = 1.703 mm-1, F(000) = 340, R = 0.0206 and wR = 0.0572 for 1209 observed reflections (I > 2σ(I)) for 2. In the title complexes, the M (II) ion presents an octahedral geometry with four oxygen donors in the equatorial positions and two nitrogen donors in the axial positions. Each of the complexes has a two-dimensional network structure that is formed by the bridging of the ligand in a μ3-bridging mode via its amino and carboxyl groups.
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