Syntheses and crystal structures of copper(II) coordination polymers comprising discrete helical chains

被引：138

作者：

Wang, RH ^{[1
]}

Zhou, YF ^{[1
]}

Sun, YQ ^{[1
]}

Yuan, DQ ^{[1
]}

Han, L ^{[1
]}

Lou, BY ^{[1
]}

Wu, BL ^{[1
]}

Hong, MC ^{[1
]}

机构：

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

来源：

CRYSTAL GROWTH & DESIGN | 2005年 / 5卷 / 01期

关键词：

D O I：

10.1021/cg034237t

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Three Cu-II helical complexes, [Cu(H2O)(4)(dpa)](n) (1), [Cu(4,4'-bipy)(dpa)](n) (2), and [Cu(dpe)(dpa)](n) (3) (H(2)dpa = diphenic acid, 4,4'-bipy = 4,4'-bipyridine, and dpe = 1,2-di(4-pyridyl)ethylene), have been synthesized and characterized by X-ray crystal structure determination. 1 is a one-dimensional helical chain of pseudo square-planar Cu(H2O)(4) bridged by bis-monodentate dpa. The hydrogen-bonding interactions extend the helical chain forming a two-dimensional layer structure. 2 and 3 are three-dimensional coordination polymers composed of Cu-dpa helical chains bridged by 4,4'-bipy and dpe, respectively. The longer spacer between coordination sites in dpe results in a 2-fold-interpenetration of the three-dimensional framework in 3. The helical pitches in 1-3 are 7.632, 11.425, and 16.022 Angstrom, respectively.

引用

页码：251 / 256

页数：6

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