catena-Poly[bis{μ-dihydrogen [(5-carboxypentylimino)dimethylene]diphosphonato-κ2O:O′}cadmium(II)]

被引：0
|
作者：
Ying, Shao-Ming [1 ]
Fang, Xiao-Niu [1 ]
Zhong, Fan [1 ]
Wu, Jian-Hong [1 ]
Kuang, Ren-Yun [1 ]
机构：
[1] Jinggangshan Univ, Sch Chem & Chem Engn, Jian 343009, Jiangxi, Peoples R China
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2009年 / 65卷
关键词：
OPEN-FRAMEWORK;
D O I：
10.1107/S0108270109030893
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The title compound, [Cd(C8H18NO8P2)(2)](n), synthesized by hydrothermal methods, exhibits a layered structure in which the Cd-II ion, occupying a centre of symmetry, is coordinated by six O atoms from four phosphonate ligands. The crosslinkage of CdO6 octahedra by bridging phosphonate ligands results in a cadmium(II) phosphonate layer. Within the layer, there exists a 16-membered ring incorporating four -Cd-O-P-O- linkages. The uncoordinated carboxyl group of the ligand is oriented so that it penetrates the adjacent layer, taking part in hydrogen bonding to two uncoordinated phosphonate O atoms to form a CO2H/HO2P motif.
引用
收藏
页码：M358 / M360
页数：3
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