Unprecedented quadruple Me2biim-bridged di- and tetranuclear complexes:: Syntheses, structures and magnetic properties

被引：11
|
作者：
Sang, Rui-Li [1 ]
Xu, Li [1 ]
机构：
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fujian 350002, Peoples R China
来源：
INORGANICA CHIMICA ACTA | 2006年 / 359卷 / 08期
基金：
中国国家自然科学基金;
关键词：
copper; chromium; dinuclear complex; biimidazole; crystal structures;
D O I：
10.1016/j.ica.2006.02.041
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Quadruple Me(2)biim-bridged di- and tetranuclear complexes[Cu-2(H2O)(2)(Me(2)biim)(4)](SO4)(2) (1) and [Cr-4(mu-Cl)(mu-Me(2)biim)(8)(H2O)(1.67)-(OH)(0.33)](ClO4)(6.67) (2) have been prepared and characterized. The repulsion between the methyl groups forces the two imidazole rings out of coplanarity, responsible for the much weaker magnetic exchange coupling between the Cu2+ ions in 1. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：2337 / 2342
页数：6
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