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链状聚[[[三水合镉（II）]-μ-2,2'-[草酰双（氮二基）]二乙酸根-κO,O']二水合物]

catena-Poly[[[triaqua-cadmium(II)]-μ-2,2'-[oxalylbis(azanediyl)]diacetato-κO,O'] dihydrate].

作者信息

Zhou Fangxia

机构信息

Department of Chemistry , Jining University, Shandong 273155, People's Republic of China.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2009 Dec 9;66(Pt 1):m35. doi: 10.1107/S1600536809052015.

DOI:10.1107/S1600536809052015
PMID:21579934
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2980082/
Abstract

The structure of the polymeric title complex, {[Cd(C(6)H(6)N(2)O(6))(H(2)O)(3)]·2H(2)O}(n), consists of chains running parallel to [01] in which the oxamidato ligand, deprotonated only at the carboxyl-ate groups, acts as a bridging bis-monodentate ligand. The Cd atom and the O atom of a coordinated water mol-ecule are located on a twofold axis. The coordination geometry around the Cd atom is distorted trigonal-pyramidal. In the crystal structure, neighbouring chains are linked into a three-dimensional network by inter-chain O-H⋯O and N-H⋯O hydrogen bonds.

摘要

聚合物标题配合物{[Cd(C₆H₆N₂O₆)(H₂O)₃]·2H₂O}ₙ的结构由平行于[01]方向的链组成，其中草酰胺酸根配体仅在羧酸根基团处去质子化，作为桥联双单齿配体。镉原子和一个配位水分子的氧原子位于二重轴上。镉原子周围的配位几何形状为扭曲的三角锥。在晶体结构中，相邻的链通过链间O—H⋯O和N—H⋯O氢键连接成三维网络。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dca4/2980082/ecf2b36709fc/e-66-00m35-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dca4/2980082/e3ba1cbd0f56/e-66-00m35-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dca4/2980082/ecf2b36709fc/e-66-00m35-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dca4/2980082/e3ba1cbd0f56/e-66-00m35-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dca4/2980082/ecf2b36709fc/e-66-00m35-fig2.jpg

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本文引用的文献

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A short history of SHELX.SHELX简史。
Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22. doi: 10.1107/S0108767307043930. Epub 2007 Dec 21.