Issue 5, 2012
From the journal:

Dalton Transactions

Cyano-bridged terbium(iii)–chromium(iii) bimetallic quasi-one-dimensional assembly exhibiting long-range magnetic ordering†

Yang Guo,ab   Gong-Feng Xu,c   Chao Wang,b   Ting-Ting Cao,b   Jinkui Tang,*a   Zhan-Quan Liu,b   Yue Ma,*b   Shi-Ping Yan,b   Peng Chengb  and  Dai-Zheng Liaob  

* Corresponding authors

a State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
E-mail: tang@ciac.jl.cn
Fax: +86 431 85262878
Tel: +86 431 85262878

b Department of Chemistry, Nankai University, Tianjin, P. R. China
E-mail: maynk@nankai.edu.cn

c Department of Chemistry, College of Science, Tianjin University of Commerce, Tianjin, P. R. China

Abstract

A new cyano-bridged TbIII–CrIII heterometallic complex [Tb(H2O)2(DMF)4{Cr(CN)6}]·H2O (DMF = dimethylformamide) (1), assembled from paramagnetic hexacyanochromium(III) [Cr(CN)6]3− building block and highly anisotropic terbium(III) ion has been prepared and structurally and magnetically characterized. Complex 1 shows one-dimensional (1D) zig-zag chain-like structural motif which is further extended into three-dimensional network through hydrogen-bonding interactions. The long-range magnetic ordering observed in complex 1, which is possibly due to interchain magnetic dipolar interactions, illuminates that this complex is a molecule-based magnet with critical temperature of about 5 K. This higher critical temperature among those of LnIII–CrIII heterometallic complexes exhibiting long-range magnetic ordering is probably due to the introduction of highly anisotropic terbium(III) ion.

Graphical abstract: Cyano-bridged terbium(iii)–chromium(iii) bimetallic quasi-one-dimensional assembly exhibiting long-range magnetic ordering

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Article information

DOI
https://doi.org/10.1039/C1DT11655J
Article type
Paper
Submitted
02 Sep 2011
Accepted
02 Nov 2011
First published
08 Dec 2011

Dalton Trans., 2012,41, 1624-1629

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Cyano-bridged terbium(III)–chromium(III) bimetallic quasi-one-dimensional assembly exhibiting long-range magnetic ordering

Y. Guo, G. Xu, C. Wang, T. Cao, J. Tang, Z. Liu, Y. Ma, S. Yan, P. Cheng and D. Liao, Dalton Trans., 2012, 41, 1624 DOI: 10.1039/C1DT11655J

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