Synthesis, Crystal Structure and Luminescent Properties of a Novel 2D Sheet Cd(Ⅱ) Coordination Polymer [Cd(Cpna)(Py)]n |
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作者姓名: | 高竹青 吕东煜 李红晋 卢文贯 顾金忠 |
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作者单位: | School of Chemical and Biological Engineering,Taiyuan University of Science and Technology;College of Chemistry and Chemical Engineering,Lanzhou University;Department of Chemistry,Shaoguan University |
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基金项目: | Funded by the Subject team of Taiyuan University of Science and Technology |
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摘 要: | A coordination polymer, [Cd(cpna)(py)]n(H2cpna = 5-(2-carboxylphenyl) nicotic acid, py = pyridine) 1 has been hydrothermally synthesized and characterized by elemental analysis, IR, TG, fluorescence spectra and single-crystal X-ray diffraction. Colorless crystals crystallize in the monoclinic system, space group P21/c with a = 8.589(2), b = 13.047(3), c = 14.940(4) , β = 96.001(2)°, V = 1664.9(7) 3 , C18H12CdN2O4 , Mr = 432.70, Dc = 1.726 g/cm 3 , F(000) = 856, Z = 4, μ(MoKα) = 1.337 mm -1 , the final R = 0.0396 and wR = 0.0891 for 2422 observed reflections (I > 2σ(I)). Complex 1 exhibits a two-dimensional (2D) sheet structure, which further builds a three-dimensional (3D) supramolecular architecture via C-H···O hydrogen-bonding interactions.
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关 键 词: | coordination polymer crystal structrue luminescent properties |
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