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Kremer C.,Catedra de Quimica Inorganica | Kremer C.,Centro Interdisciplinario En Nanotecnologia Y Quimica Y Fisica Of Materiales | Torres J.,Catedra de Quimica Inorganica | Torres J.,Centro Interdisciplinario En Nanotecnologia Y Quimica Y Fisica Of Materiales | And 11 more authors.
Macromolecular Symposia | Year: 2011

This work focuses on the polynuclear complexes formed by a lanthanide ion (Ln), a bivalent cation (M) and oxydiacetate (oda) as bridging ligand, with general formula [Ln2M3(oda)6(H 2O)6] · xH2O. The complexes can adopt more than one polymorphic structure, being the hexagonal (P6/mcc) and cubic (Fd3c) the most noticeable, as determined by x-ray powder diffraction. The influence of Ln and M on the solid-state structure is discussed. In addition, potentiometric studies are performed to support the existence of polynuclear species in solution. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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