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A molecular pair of [GdNi3] tetrahedra bridged by water molecules

AuthorsYukawa, Yasuhiko; Teat, Simon J.; Roubeau, Olivier; Evangelisti, Marco ; Cremades, Eduard; Ruiz, Eliseo; Barrios, L. A.; Aromí, Guillem
Issue Date2011
CitationChemistry - A European Journal 17(30): 8264-8268 (2011)
AbstractWater 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.
Publisher version (URL)http://dx.doi.org/10.1002/chem.201100769
Identifiersdoi: 10.1002/chem.201100769
issn: 0947-6539
e-issn: 1521-3765
Appears in Collections:(ICMA) Artículos
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