Bis(μ-ethyl pyridine-2,6-dicarboxylato)bis[diaquachlorocadmium(II)] dihydrate

被引：9

作者：

Yang, E ^{[1
]}

Li, ZJ ^{[1
]}

Zhang, J ^{[1
]}

Chen, YB ^{[1
]}

Yao, YG ^{[1
]}

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fujian 350002, Peoples R China

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2004年 / 60卷 / 09期

关键词：

D O I：

10.1107/S0108270104017378

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The reaction of cadmium chloride with pyridine-2,6-dicarboxylic acid (PDA) and 98% H2SO4 in ethanol led to the formation of the title compound, bis[mu-6-(ethoxycarbonyl)-pyridine-2-carboxylato]-1:2kappa(4)O(6),N,O-2:O-2;1:2kappa(4)O(2):O-2,N,O-6-bis[diaquachlorocadmium(II)] dihydrate, [Cd-2(C9H8NO4)(2)Cl-2(H2O)(4)].2H(2)O. PDA is esterified to monoethyl pyridine2,6-dicarboxylate (MEPD) by the catalysis of H2SO4 during the reaction. The dinuclear Cd-II complex lies about an inversion centre and the unique Cd atom has a pentagonal-bipyramidal geometry. The two Cd atoms are bridged by two carboxylate O atoms, forming a planar Cd2O2 unit. Stair-like chains are formed via O-H...Cl hydrogen bonds and these are further arranged into two-dimensional layers via hydrogen bonds involving solvate water molecules.

引用

页码：M457 / M459

页数：3

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