A Dinuclear Cd(II) Cluster-based Coordination Polymer: Synthesis, Structure and Luminescence Property

分类： 化学 >> 物理化学 提交时间： 2017-11-05 合作期刊: 《结构化学》

XUE Li-Ping

摘要： One two-dimensional coordination polymer with a formula of {[Cd(L)(imidazole)(H2O)](H2O)}n (1) was obtained by the synthetic reactions in aqueous solution using a newly synthesized H2L (H2L = methyl-3-hydroxy-5-carboxy-2-thiophenecarboxylate) ligand. Compound 1 crystallizes in monoclinic system, space group C2/c with a = 18.3176(11), b = 8.5366(9), c = 8.4152(5) Å, β = 101.789(6)º, V = 2797.1(3) Å3, Dc = 1.979 g/cm3, C10H12N2O7SCd, Mr = 416.68, F(000) = 1648, μ = 1.745 mm-1, F(000) = 1648, the final R = 0.0323 and wR = 0.0604 for 2604 observed reflections with I > 2s(I). Structure analyses reveal that the compound is constructed by dinuclear Cd(II) clusters bridged by two hydroxyl oxygens of L2- anions, which features a two-dimensional network with 4-connected sql topology. Furthermore, the compound exhibits high thermal stability and intense fluorescent emission, and could be explored for potential luminescent materials.

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