A series of cadmium(II) coordination polymers synthesized at different pH values

被引：70

作者：

Guo, Zhengang ^{[1
]}

Cao, Rong ^{[1
]}

Li, Xiaoju ^{[1
]}

Yuan, Daqiang ^{[1
]}

Bi, Wenhua ^{[1
]}

Zhu, Xiandong ^{[1
]}

Li, Yafeng ^{[1
]}

机构：

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

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2007年 / 05期

关键词：

cadmium; polymers; self-assembly; photoluminescence;

D O I：

10.1002/ejic.200600844

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new family of cadmium(II) coordination polymers, {[Cd(Hbic)(2)center dot(H2O)(2)]center dot 2H(2)O}(n) (1), [Cd(Hbic)(2)](n) (2), [Cd(Hbic)(2)center dot (H2O)](n) (3), H(2)bic = 1H-benzimidazole-5-carboxylic acid, has been hydrothermally prepared by the assembly of Cd` with H(2)bic. A change in the pH values resulted in a series of compounds with different compositions and dimensionalities. Formed at the lowest pH, compound 1 has a two-dimensional supramolecular structure, which contains 1D chains ex- tended by hydrogen bonds. At a slightly higher pH, compound 2 is synthesized with a higher number of deprotonated carboxylate groups per cadmium atom. A further increase in the pH leads to 3D dinuclear compound 3 with yellow-green emitting fluorescence. ((c) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007).

引用

页码：742 / 748

页数：7

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