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Article Dans Une Revue Compte Rendus de l'Académie des Sciences Paris Année : 2010

Lanthanide-based hexanuclear complexes usable as molecular precursor for new hybrid materials : state of the art.

Résumé

Lanthanide containing octahedral hexanuclear complexes with general chemical formula [Ln6O(OH)8(NO3)6(H2O)x].2NO3.yH2O where Ln = Ce-Lu (except Pm) or Y, x = 0, 6, 12, 14 or 16 and y = 0, 2, 4 or 5 constitute a great family of polymorphic compounds. The synthesis and the crystal structures of all these compounds are overviewed. The hydration/dehydration processes that allow the structural transitions from one compound to another are described. The crystal structure of compounds with general chemical formula [Ln6O(OH)8(NO3)6(H2O)6].2NO3 where Ln = Ce-Lu (except Pm) or Y is described. It has been solved on the basis of a powder XRD diagram. The use of such hexanuclear complexes as molecular precursors for new materials is also discussed.

Dates et versions

hal-00525072 , version 1 (11-10-2010)

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Guillaume Calvez, Carole Daiguebonne, Olivier Guillou, Florence Le Dret, Tanja Pott, et al.. Lanthanide-based hexanuclear complexes usable as molecular precursor for new hybrid materials : state of the art.. Compte Rendus de l'Académie des Sciences Paris, 2010, 13 (6-7), pp.715-730. ⟨10.1016/j.crci.2010.03.029⟩. ⟨hal-00525072⟩
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