The new decanuclear copper(II) cluster [Cu5(β-alaha)4Cl2]2•2HCl•15H2O, its structure spectroscopy and magnetism

被引：17
|
作者：
Legendziewicz, J.
Puchalska, M.
Ciunik, Z.
Wojciechowski, W.
机构：
[1] Univ Wroclaw, Fac Chem, PL-50383 Wroclaw, Poland
[2] Wroclaw Tech Univ, Inst Inorgan Chem & Met Rare Elements, PL-50370 Wroclaw, Poland
来源：
POLYHEDRON | 2007年 / 26卷 / 06期
关键词：
D O I：
10.1016/j.poly.2006.11.002
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The new polynuclear copper(II) cluster with beta-alaninehydroxamic acid of formula [Cu-5(beta-alaha)(4)Cl-2](2) center dot 2HCl center dot 15H(2)O, where beta-alaha stands for beta-alaninehydroxamate (C3H6N2O22- ), was obtained. Single crystals of the complex were growing up in water solution. The cluster is composed of two pentameric subunits joined together by chloride bridges. Magnetic studies showed rather strong spin correlation within pentanuclear clusters and weaker interaction between them. Spectroscopic behavior of the single crystals of the cluster were studied at 293 and 4 K. Strong interactions of copper ions with different symmetry sites and strong electron phonon coupling lead to broad unsplit spectra even at 4 K. (C) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1331 / 1337
页数：7
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