首页> 外文期刊>Acta crystallographica. Section C, Structural chemistry. >A two-dimensional cadmium(II) coordination polymer based on 1-cyanomethyl-4-aza-1-azoniabicyclo[2.2.2]octane and thiocyanate ligands
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A two-dimensional cadmium(II) coordination polymer based on 1-cyanomethyl-4-aza-1-azoniabicyclo[2.2.2]octane and thiocyanate ligands

机译:基于1-氰基甲基-4-氮杂-1-氮杂双环[2.2.2]辛烷和硫氰酸酯配体的二维镉(II)配位聚合物

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摘要

A cadmium–thiocyanate complex, poly[(1-cyanomethyl-4-aza-1-azoniabicyclo[2.2.2]octane-κ4N)octakis-μ2-thiocyanato-κ8N:S;κ8S:N-tricadmium(II)], [Cd3(C8H14N3)2(NCS)8]n, was synthesized by the reaction of 1-cyanomethyl-4-aza-1-azoniabicyclo[2.2.2]octane chloride, cadmium nitrate tetrahydrate and potassium thiocyanide in aqueous solution. In the crystal structure, there are two independent types of CdII cation (one on a centre of inversion and one in a general position) and both are in distorted octahedral coordination environments, coordinated by N and S atoms from different ligands. Neighbouring CdII cations are linked together by thiocyanate bridges to form a two-dimensional network. Hydrogen-bonding interactions are involved in the formation of a three-dimensional supramolecular network.
机译:硫氰酸镉复合物,聚[(1-氰甲基-4-氮杂-1-氮杂双环[2.2.2]辛烷-κ4N)辛基-μ2-硫氰酸根-κ8N:S;κ8S:N-(II)],[ Cd3(C8H14N3)2(NCS)8] n是由1-氰甲基-4-氮杂-1-氮杂双环[2.2.2]辛烷氯化物,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,有两种独立类型的CdII阳离子(一种位于反转中心,另一种位于大体位置),并且都处于扭曲的八面体配位环境中,由来自不同配体的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。氢键相互作用涉及三维超分子网络的形成。

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