Issue 44, 2012
From the journal:

Dalton Transactions

Magnetic variation induced by structural transformation from coordination chains to layers upon dehydration†

Xiao-Min Liu,a   Bao-Ying Wang,a   Wei Xue,a   Lin-Hua Xie,a   Wei-Xiong Zhang,a   Xiao-Ning Cheng*b  and  Xiao-Ming Chen*a  

* Corresponding authors

a MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou, P.R. China
E-mail: cxm@mail.sysu.edu.cn

b Instrumental Analysis and Research Center, Sun Yat-Sen University, Guangzhou, P.R. China
E-mail: chengxn7@mail.sysu.edu.cn

Abstract

The reaction of CoBr2, 1,2-di(4H-1,2,4-triazol-4-yl)diazene (bta) and KSCN yielded a one-dimensional coordination polymer [Co(SCN)2(bta)(H2O)2] with water molecules coordinated to the metal ions. After dehydration at 100 °C, the compound transformed into a layered coordination polymer [Co(SCN)2(bta)], whose structure was determined by powder X-ray diffraction based on the single-crystal structure of another layered coordination polymer [Cd(SCN)2(bta)]. Interestingly, a magnetic variation from a simple paramagnet to an antiferromagnetic ordered phase of a single-chain-magnet that exhibits both metamagnetic behaviour and slow magnetic relaxation was observed upon the dehydration process.

Graphical abstract: Magnetic variation induced by structural transformation from coordination chains to layers upon dehydration

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Article information

DOI
https://doi.org/10.1039/C2DT31436C
Article type
Paper
Submitted
02 Jul 2012
Accepted
02 Oct 2012
First published
04 Oct 2012

Dalton Trans., 2012,41, 13741-13746

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Magnetic variation induced by structural transformation from coordination chains to layers upon dehydration

X. Liu, B. Wang, W. Xue, L. Xie, W. Zhang, X. Cheng and X. Chen, Dalton Trans., 2012, 41, 13741 DOI: 10.1039/C2DT31436C

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