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Wiley, Chemistry - A European Journal, 30(17), p. 8264-8268, 2011

DOI: 10.1002/chem.201100769

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A Molecular Pair of [GdNi3] Tetrahedra Bridged by Water Molecules

Journal article published in 2011 by Ayako Hosoi, Yasuhiko Yukawa, Satoshi Igarashi, Simon J. Teat, Olivier Roubeau ORCID, Marco Evangelisti, Eduard Cremades, Eliseo Ruiz ORCID, Leoní A. Barrios, Guillem Aromí
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This paper is available in a repository.

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Abstract

Water is the glue in bridging two [GdNi3] heterometallic fragments to form the new molecular cluster [Et4N][Gd 2Ni6(val)12(MeCN)6(H 2O)3][Gd(NO3)5](ClO 4)5 (1, val= valine anion, see figure), otherwise cemented by amino acid ligands. The shape of the complex cation of 1 resembles an ancient goblet, and its structure holds weak magnetic exchange pathways, as confirmed theoretically and experimentally; this confers the cluster ideal conditions to exhibit good magnetocaloric properties.