Influence of ligand backbones and counter ions on structures of helical silver(I) complexes with di-Schiff bases derived from phthalaldehydes and diamine

被引：73

作者：

Zhu, HL ^{[1
]}

Tong, YX ^{[1
]}

Chen, XM ^{[1
]}

机构：

[1] Zhongshan Univ, Sch Chem & Chem Engn, Guangzhou 510275, Peoples R China

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 2000年 / 22期

关键词：

D O I：

10.1039/b005228k

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Five silver(I) complexes of Schiff bases, [Ag2L2][ClO4](2) 1, [Ag2L2][PF6](2).H2O 2, [Ag2L2][NO3](2) 3, (1)(infinity)[(AgL')(dnb)(H2O)(0.25)] (dnb=3,5-dinitrobenzoate) 4 and (1)(infinity)[(AgL')(NO3)] 5 were synthesized, where L and L' are derived from the [1+2] condensation of 2-(aminoethylamino)ethanol with isophthalaldehyde or terephthalaldehyde. Complexes 1, 2, 4 and 5 have been structurally characterised by X-ray crystallography, which shows that the cations in 1 and 2 have similar double helical structures, and 4 has a single-stranded helical structure. However, complex 5 exhibits a one-dimensional staircase-like structure. Each Ag atom in 1, 2 and 4 adopts a highly distorted tetrahedral geometry, while that in 5 features a T-shaped geometry. In solution, 1-3 have virtually identical H-1 NMR spectra, similar FAB mass spectra and electrochemical properties.

引用

页码：4182 / 4186

页数：5

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