Issue 20, 2011
From the journal:

Dalton Transactions

Coordination-perturbed single-molecule magnet behaviour of mononuclear dysprosium complexes†

Gong-Jun Chen,a   Chun-Yan Gao,a   Jin-Lei Tian,*a   Jinkui Tang,b   Wen Gu,a   Xin Liu,a   Shi-Ping Yan,*a   Dai-Zheng Liaoa  and  Peng Chenga  

* Corresponding authors

a Department of Chemistry and Key Laboratory of Advanced Energy Materials Chemistry, Nankai University, Tianjin 300071, P. R. China
E-mail: yansp@nankai.edu.cn
Fax: +86-022-23502779
Tel: +86-022-23505063

b State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China

Abstract

By changing the ratio of reactants, two mononuclear Dy complexes, [Dy(phen)(acac)3] (1) and [Dy(phen)2(NO3)2(acac)]·H2O (2) have been synthesized and structurally characterized. In 1, a Dy atom bearing square-antiprism coordination geometry exhibits SMM behaviour, while compound 2 with a bicapped-square-antiprism geometry does not show such SMM properties. The different magnetic behaviours seen in 1 and 2 are probably due to a different coordination environment and ligand field around the Dy(III) ions. The results proved the important influence of the structural environment of a SMM on its magnetic behaviour.

Graphical abstract: Coordination-perturbed single-molecule magnet behaviour of mononuclear dysprosium complexes

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Article information

DOI
https://doi.org/10.1039/C1DT10050E
Article type
Paper
Submitted
12 Jan 2011
Accepted
24 Mar 2011
First published
18 Apr 2011

Dalton Trans., 2011,40, 5579-5583

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Coordination-perturbed single-molecule magnet behaviour of mononuclear dysprosium complexes

G. Chen, C. Gao, J. Tian, J. Tang, W. Gu, X. Liu, S. Yan, D. Liao and P. Cheng, Dalton Trans., 2011, 40, 5579 DOI: 10.1039/C1DT10050E

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