首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Bimetallic complex of the type [Cu(tren)(NCS)](4)[Mn(NCS)(6)]: A hydrogen bonded network structure
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Bimetallic complex of the type [Cu(tren)(NCS)](4)[Mn(NCS)(6)]: A hydrogen bonded network structure

机译:[Cu(tren)(NCS)](4)[Mn(NCS)(6)]类型的双金属配合物:氢键网络结构

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摘要

MnCl2 center dot 4H(2)O, Cu(NO3)(2) center dot 3H(2)O, tris(2-aminoethyl)amine (tren) and NH4NCS in a 1:4:4: 10 molar ratio in aqueous solution results a bimetallic compound of the type [Cu(tren)(NCS)](4)[Mn(NCS)(6)] (1) which has been characterized by microanalytical, physicochemical, spectroscopic and magnetic results. The structure of the complex is determined by X-ray diffraction study. Some pertinent crystal data are: monoclinic, space group P21/c, a = 11.0442(9) angstrom, b = 14.4923(12) angstrom, c = 19.2505(16) angstrom. beta = 91.95(10)degrees, and Z = 4. The crystal structure consists of a hydrogen bonded 3D network of [Cu(tren)(NCS)](+) and [Mn(NCS)(6)](4-) ions. Manganese(II) has an MnN6 chromophore bound by six N atoms of the terminal thiocyanates. Each copper(II) centre is five coordinated by one N atom of terminal thiocyanate and four N atoms of the tripod ligand. Four copper(II) units are hydrogen bonded to form a hydrogen bonded tetramer. Each manganese(II) in turn is further engaged in hydrogen bonding to four such tetramers leading to the 3D network. Variable-temperature magnetic study shows no significant magnetic interactions among the metal ions connected by hydrogen bonding. (c) 2005 Elsevier Ltd. All rights reserved.
机译:MnCl2中心点4H(2)O,Cu(NO3)(2)中心点3H(2)O,三(2-氨基乙基)胺(tren)和NH4NCS在水溶液中的摩尔比为1:4:4:10可以得到[Cu(tren)(NCS)](4)[Mn(NCS)(6)](1)类型的双金属化合物,其特征在于进行了微分析,理化,光谱和磁性分析。配合物的结构通过X射线衍射研究确定。一些相关的晶体数据是:单斜晶系,空间群P21 / c,a = 11.0442(9)埃,b = 14.4923(12)埃,c = 19.2505(16)埃。 β= 91.95(10)度,Z =4。晶体结构由[Cu(tren)(NCS)](+)和[Mn(NCS)(6)](4-)的氢键3D网络组成。离子。锰(II)具有一个由末端硫氰酸酯的六个N原子键合的MnN6发色团。每个铜(II)中心由一个硫氰酸酯末端的一个N原子和三脚架配体的四个N原子配位。四个铜(II)单元进行氢键形成氢键四聚体。每个锰(II)进一步与氢键合到四个此类四聚体上,从而形成3D网络。可变温度磁研究表明,通过氢键连接的金属离子之间没有显着的磁相互作用。 (c)2005 Elsevier Ltd.保留所有权利。

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