Molecular coolers: The case for [CuII5GdIII4]

Stuart K. Langley; Nicholas F. Chilton; Boujemaa Moubaraki; Thomas Hooper; Euan K. Brechin; Marco Evangelisti; Keith S. Murray

doi:10.1039/C1SC00038A

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Molecular coolers: The case for [Cu^II₅Gd^III₄]†

Stuart K. Langley,^a Nicholas F. Chilton,^a Boujemaa Moubaraki,^a Thomas Hooper,^b Euan K. Brechin,*^b Marco Evangelisti*^c and Keith S. Murray*^a

Author affiliations

* Corresponding authors

^a School of Chemistry, Monash University, Clayton, Victoria, Australia
E-mail: keith.murray@monash.edu

^b School of Chemistry, The University of Edinburgh, West Mains Road, Edinburgh, UK
E-mail: ebrechin@staffmail.ed.ac.uk

^c Instituto de Cienci a de Materiales de Aragón, CSIC-Universidad de Zaragoza, Departamento de Física de la Materia Condensada, Zaragoza, Spain
E-mail: evange@unizar.es

Abstract

The use of triethanolamine (teaH₃) in 3d/4f chemistry produces the enneanuclear cluster compound [Cu^II₅Gd^III₄O₂(OMe)₄(teaH)₄(O₂CC(CH₃)₃)₂(NO₃)₄]·2MeOH·2Et₂O (1·2MeOH·2Et₂O) whose molecular structure comprises a series of vertex- and face-sharing {Gd^IIICu^II₃} tetrahedra. Magnetic studies reveal a large number of spin states populated even at the lowest temperatures investigated. Combined with the high magnetic isotropy, this enables 1 to be an excellent magnetic refrigerant for low temperature applications.

This article is part of the themed collection: RACI100: Celebrating Australian Chemistry

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Supplementary files

Crystal structure data TXT (33K)

Article information

DOI: https://doi.org/10.1039/C1SC00038A
Article type: Edge Article
Submitted: 21 jan 2011
Accepted: 14 mar 2011
First published: 07 apr 2011

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Chem. Sci., 2011,2, 1166-1169

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Molecular coolers: The case for [Cu^II₅Gd^III₄]

S. K. Langley, N. F. Chilton, B. Moubaraki, T. Hooper, E. K. Brechin, M. Evangelisti and K. S. Murray, Chem. Sci., 2011, 2, 1166 DOI: 10.1039/C1SC00038A

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