首页> 美国卫生研究院文献>Acta Crystallographica Section E: Crystallographic Communications >catena-Polybis­(1-ethyl-1H-imidazole-κN 3)cadmium-di-μ-chlorido-(1-ethyl-1H-imidazole-κN 3)cadmium-di-μ-chlorido-(1-ethyl-1H-imidazole-κN 3)cadmium-di-μ-chlorido-bis­(1-ethyl-1H-imidazole-κN 3)cadmium
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catena-Polybis­(1-ethyl-1H-imidazole-κN 3)cadmium-di-μ-chlorido-(1-ethyl-1H-imidazole-κN 3)cadmium-di-μ-chlorido-(1-ethyl-1H-imidazole-κN 3)cadmium-di-μ-chlorido-bis­(1-ethyl-1H-imidazole-κN 3)cadmium

机译:阳离子多聚双­(1-乙基-1H-咪唑-κN 3)镉-二-μ-氯代-(1-乙基-1H-咪唑-κN 3)镉-二-μ-氯代-(1-乙基-1H-咪唑-κN 3)镉-二-μ-氯代-双­(1-乙基-1H-咪唑-κN 3)镉

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摘要

The asymmetric unit of the crystal structure of the title compound, [Cd2Cl4(C5H8N2)3]n, contains two CdII cations, three 1-ethyl-1H-imidazole ligands, and four Cl anions. The two CdII atoms have quite different coordination environments: one is octa­hedrally coordinated by four Cl atoms and two N atoms from two 1-ethyl-1H-imidazole ligands, and the second is in a severely distorted fivefold coordination by four Cl atoms and one N atom from a 1-ethyl-1H-imidazole ligand. Adjacent CdII cations are inter­connected alternately by pairs of chloride bridges, generating an infinite step-like chain along the a axis. One ethyl group of the 1-ethyl-1H-imidazole ligand is disordered over two sets of sites with a 0.668 (13):0.332 (13) site-occupancy ratio.
机译:标题化合物[Cd2Cl4(C5H8N2)3] n的晶体结构不对称单元包含两个Cd II 阳离子,三个1-乙基-1H-咪唑配体和四个Cl 阴离子。这两个Cd II 原子具有完全不同的配位环境:一个由四个Cl原子和来自两个1-乙基-1H-咪唑配体的两个N原子八面体配位,第二个处于严重扭曲的五倍由1-乙基-1H-咪唑配体的四个Cl原子和一个N原子配位。相邻的Cd II 阳离子通过成对的氯离子桥相互交替连接,沿a轴生成无限的阶梯状链。 1-乙基-1H-咪唑配体的一个乙基在两组位点上无序排列,位点占有率为0.668(13):0.332(13)。

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