Novel silver-containing supramolecular frameworks constructed by combination of coordination bonds and supramolecular interactions

被引：150

作者：

Sun, DF ^{[1
]}

Cao, R ^{[1
]}

Sun, YQ ^{[1
]}

Bi, WH ^{[1
]}

Li, XJ ^{[1
]}

Wang, YQ ^{[1
]}

Shi, Q ^{[1
]}

Li, X ^{[1
]}

机构：

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

来源：

INORGANIC CHEMISTRY | 2003年 / 42卷 / 23期

关键词：

D O I：

10.1021/ic034568v

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The hydrothermal reactions of AgNO3, 4,4'-bipy, and carboxylate ligands gave rise to three supramolecular architectures, namely [Ag(bipy)].H(2)SIPA.1/2bipy-H2O (1), [Ag(bipy)].1/2H(2)btec.H2O (2), and [Ag(bipy)]2.H(2)dpstc.2H(2)O (3) (H(3)SIPA = 5-sulfoisophthalic acid, bipy = 4,4'-bipyridine, H(4)btec = 1,2,4,5-benzenetetracarboxylic acid, H(4)dpstc = 3,3',4,4'-tetracarboxydiphenyl sulfone). All complexes are extended from Ag-bipy linear chains by the combination of coordination bonds and supramolecular interactions in two different approaches. Complexes 1 and 3 comprise two-dimensional frameworks. In the two complexes, a one-dimensional ladderlike structure, is first formed by the connection of a Ag-bipy chain through hydrogen bonding between a free carboxylate/bipy ligand and weak coordinative interactions between a free carboxylate ligand and silver ion. The ladderlike structure is then extended to a two-dimensional layer architecture by pi(....)pi interactions between bipy ligands of the Ag-bipy chains. Complex 2 possesses a three-dimensional framework. The free H(2)btec(2-) ligands form a two-dimensional layer network by hydrogen-bonding interactions between protonated and deprotonated carboxylate groups; meanwhile, pi(....)pi interactions between bipy ligands of Ag-bipy chains also result in a two-dimensional layer. The two layers are further connected by weak Ag-O interactions to generate a three-dimensional supramolecular structure.

引用

页码：7512 / 7518

页数：7

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