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Issue 44, 2012
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Magnetic variation induced by structural transformation from coordination chains to layers upon dehydration

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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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Publication details

The article was received on 02 Jul 2012, accepted on 02 Oct 2012 and first published on 04 Oct 2012


Article type: Paper
DOI: 10.1039/C2DT31436C
Citation: 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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