Synthesis and characterisation of two supramolecular polymers [CuAg4(CN)6(tacn)]n and [CuAu2(CN)4(tacn)]n containing metal-metal interactions

被引：26

作者：

Han, W

Yi, L

Liu, ZQ

Gu, W

Yan, SP ^{[1
]}

Cheng, P

Liao, DZ

Jiang, ZH

机构：

[1] Nankai Univ, Dept Chem, Tianjin 300071, Peoples R China

[2] Peking Univ, State Key Lab Chem & Applicat Rare Earth Mat, Beijing 100871, Peoples R China

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2004年 / 10期

关键词：

silver; gold; macrocyclic ligands; metal-metal interactions;

D O I：

10.1002/ejic.200300678

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two novel heterobimetallic supramolecular polymers, [CuAg4(CN)(6)(tacn)](n) (1) and [CuAu2(CN)(4)(tacn)](n) (2) (tacn = 1,4,7-triazacyclononane), have been synthesised from the building block [Cu(tacn)](2+), together with [Ag(CN)(2)](-) (for 1) and [Au(CN)(2)](-) (for 2). The large difference in structural type between 1 and 2 is probably due to the fact that the Ag-I centre is three-coordinate and trigonal whereas the Au-I centre is linear. Metal-metal interactions play an important role in the formation of the supramolecular framework of 1 and the novel topology of 2. (C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004.

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页码：2130 / 2136

页数：7

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