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Issue 31, 2014
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Chloride-bridged, defect-dicubane {Ln4} core clusters: syntheses, crystal structures and magnetic properties

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Abstract

Three chloride-bridged lanthanide compounds, [Ln4Cl6(CH3OH)12(OH)2]·4Cl·2CH3OH [Ln = Gd (1), Dy (2) and Er (3)], have been unexpectedly isolated by the reactions of LnCl3·6H2O and N,N′-bis(salicylidene)-1,2-(phenylene-diamine) (H2L). X-ray crystallographic analysis reveals a triclinic cell with a unique defect-dicubane {Ln4} core and the structure across this series is nominally isomorphic. Measurements of direct current magnetic susceptibility and isothermal magnetization give insight into the relevant cluster Hamiltonians for 1, 2, and 3, and alternating current susceptibility shows slow relaxation in 2, but not in 1 or 3 down to 2 K and up to 1 kHz.

Graphical abstract: Chloride-bridged, defect-dicubane {Ln4} core clusters: syntheses, crystal structures and magnetic properties

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Publication details

The article was received on 05 May 2014, accepted on 13 Jun 2014 and first published on 27 Jun 2014


Article type: Paper
DOI: 10.1039/C4DT01329H
Citation: Dalton Trans., 2014,43, 11973-11980
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    Chloride-bridged, defect-dicubane {Ln4} core clusters: syntheses, crystal structures and magnetic properties

    D. M. Pajerowski, Q. Li, J. Hyun, C. L. Dennis, D. Phelan, P. Yan, P. Chen and G. Li, Dalton Trans., 2014, 43, 11973
    DOI: 10.1039/C4DT01329H

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