Self-assembly in transition metal complexes: structural characterization of a copper histamine nitrate [Cu(II)(him)_2(NO_3)_2]

Cun-Gen Zhang; Chun-Ying Duan; Qiao Hu; De-Yue Yan

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Self-assembly in transition metal complexes: structural characterization of a copper histamine nitrate [Cu(II)(him)_2(NO_3)_2]

机译：过渡金属配合物中的自组装：硝酸组胺铜[Cu（II）（him）_2（NO_3）_2]的结构表征

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摘要

A new monomeric copper (II) complex with histamine (him), [Cu(II)(him)_2(NO_3)_2], has been prepared by the reaction of Cu(NO_3)_2 with histaminium dichloride and its structure was determined by x-ray crystallography. The complex crystallizes in the triclinic system, space group P1-bar with a = 5.7238(4), b = 8.7094(7), c = 9.2481(11) A, #alpha# = 69.693(8), #beta# = 73.242(7), #gamma# = 71.050(7) deg, V = 400.84(6) A~3, and Z = 1. The structure consists of discrete [Cu(II)(him)_2(NO_3)_2] molecules in which the metal atom is centrosymmetrically coordinated by two histamine ligands forming an equatorial plane with Cu-N(imidazole ring) being 2.032(2) and Cu-N(NH_2 group) being 2.023(2) A. Two O atoms from nitrate anions coordinate on the elongated axial positions with Cu-O being 2.549(2) A. In the crystal structure, the molecules are organized by hydrogen bonds forming a two-dimensional network.

机译：通过Cu（NO_3）_2与二氯化组氨酸的反应制备了一种新的与组胺（him）的单体铜（II）配合物[Cu（II）（him）_2（NO_3）_2]，并通过X射线晶体学。该复合物在三斜晶系系统中结晶，空间群P1-bar的a = 5.7238（4），b = 8.7094（7），c = 9.2481（11）A，＃alpha＃= 69.693（8），＃beta＃= 73.242 （7），＃gamma＃= 71.050（7）deg，V = 400.84（6）A〜3，Z =1。该结构由离散的[Cu（II）（him）_2（NO_3）_2]分子组成金属原子由两个组胺配体在中心对称配位，形成一个赤道面，Cu-N（咪唑环）为2.032（2），Cu-N（NH_2基）为2.023（2）A。硝酸根阴离子的两个O原子配位在细长的轴向位置上，Cu-O为2.549（2）A。在晶体结构中，分子由氢键组成，形成二维网络。

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《Journal of chemical crystallography》 |1999年第11期|共3页
作者
Cun-Gen Zhang; Chun-Ying Duan; Qiao Hu; De-Yue Yan;
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正文语种 eng
中图分类晶体学;
关键词
copper (II); histamine; self-assembly; crystal structure;

机译：铜;组胺;自组装;晶体结构;

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Self-assembly in transition metal complexes: structural characterization of a copper histamine nitrate [Cu(II)(him)_2(NO_3)_2]

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