catena-Poly[[disilver(I)(Ag-Ag)-bis[μ-1,1′-(butane-1,4-diyl)diimidazole-κ2N3:N3′]] bis(perchlorate)]:: a double helix stabilized by ligand-unsupported argentophilic interactions

被引：6
|
作者：
Li, Yong-Fang [1 ]
Pan, Zi-Hong
Lou, Tian-Jun
机构：
[1] Henan Inst Sci & Technol, Coll Chem & Chem Engn, Xinxiang 453003, Henan, Peoples R China
[2] Pingdingshan Univ, Coll Chem & Chem Engn, Pingdingshan 467002, Henan, Peoples R China
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2007年 / 63卷
关键词：
D O I：
10.1107/S0108270107048251
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The title compound, {[Ag-2(C10H14N4)(2)](ClO4)(2)}n, is a one-dimensional coordination polymer formed by Ag-I atoms linearly bridged by 1,1'-(butane-1,4-diyl) diimidazole molecules. The chains have a helical arrangement and pairs of chains are held together by the rarely reported ligand-unsupported Ag-Ag interaction [2.966 (1) angstrom], which results in a double-helix structure. The double helix contains twisted 24-membered metallomacrocycles, which are composed of four Ag atoms and two ligands. The Ag atoms lie on twofold axes.
引用
收藏
页码：M516 / M518
页数：3
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