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首页> 外文期刊>Acta crystallographica. Section C, Structural chemistry. >A two-dimensional cadmium(II) polymer based on nicotinic acid and thiocyanate ligands
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A two-dimensional cadmium(II) polymer based on nicotinic acid and thiocyanate ligands

机译:基于烟酸和硫氰酸盐配体的二维镉(II)聚合物

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摘要

A cadmium–thiocyanate complex, poly[[bis(nicotinic acid-κN)di-μ-thiocyanato-κ2N:S;κ2S:N-cadmium(II)] monohydrate], {[Cd(NCS)2(C6H5NO2)2]·H2O}n, was synthesized by the reaction of nicotinic acid, cadmium nitrate tetrahydrate and potassium thiocyanide in aqueous solution. In the crystal structure, each CdII cation is in a distorted octahedral coordination environment, coordinated by the N and S atoms of nicotinic acid and thiocyanate ligands. Neighbouring CdII cations are linked together by thiocyanate bridges to form a two-dimensional network. Hydrogen-bond interactions between the uncoordinated solvent water molecules and the organic ligands result in the formation of the three-dimensional supramolecular network.
机译:硫氰酸镉络合物,聚[[双(烟酸-κN)二-μ-硫氰酸根-κ2N:S;κ2S:N-镉(II)]一水合物],{[Cd(NCS)2(C6H5NO2)2] ·H2O} n是通过烟酸,硝酸镉四水合物和硫氰化钾在水溶液中反应合成的。在晶体结构中,每个CdII阳离子处于扭曲的八面体配位环境中,由烟酸和硫氰酸盐配体的N和S原子配位。相邻的CdII阳离子通过硫氰酸酯桥连接在一起,形成二维网络。未配位的溶剂水分子与有机配体之间的氢键相互作用导致三维超分子网络的形成。

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