B-α-[AsW9O33]9− polyoxometalates incorporating hexanuclear uranium {U6O8}-like clusters bearing the UIV form or unprecedented mixed valence UIV/UVI involving direct UVIO–UIV bonding

Sylvain Duval; Sophie Sobanska; Pascal Roussel; Thierry Loiseau

doi:10.1039/C5DT02932E

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B-α-[AsW₉O₃₃]⁹⁻ polyoxometalates incorporating hexanuclear uranium {U₆O₈}-like clusters bearing the U^IV form or unprecedented mixed valence U^IV/U^VI involving direct U^VIO–U^IV bonding†

Sylvain Duval,*^a Sophie Sobanska,^b Pascal Roussel^a and Thierry Loiseau^a

Author affiliations

* Corresponding authors

^a Unité de Catalyse et Chimie du Solide (UCCS) – UMR CNRS 8181, Université de Lille Nord de France, USTL-ENSCL, Bat C7, 59652 Villeneuve d'Ascq, France
E-mail: sylvain.duval@univ-lille1.fr

^b Laboratoire de Spectrochimie Infrarouge et Raman (LASIR) – UMR CNRS 8516, Université Lille Nord de France, Bat C5, 59652 Villeneuve d'Ascq, France

Abstract

The use of B-α-[AsW₉O₃₃]⁹⁻ anionic moieties in association with the tetravalent 5f uranium UCl₄ precursor affords three new hexanuclear uranium {U₆O₈}-like clusters embedded in a polyoxometalate architecture. Two of them are constituted by an unprecedented uranium mixed valence U^IV/U^VI cluster.

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Article information

DOI: https://doi.org/10.1039/C5DT02932E
Article type: Communication
Submitted: 30 Jul 2015
Accepted: 21 Oct 2015
First published: 02 Nov 2015

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Dalton Trans., 2015,44, 19772-19776

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B-α-[AsW₉O₃₃]⁹⁻ polyoxometalates incorporating hexanuclear uranium {U₆O₈}-like clusters bearing the U^IV form or unprecedented mixed valence U^IV/U^VI involving direct U^VIO–U^IV bonding

S. Duval, S. Sobanska, P. Roussel and T. Loiseau, Dalton Trans., 2015, 44, 19772 DOI: 10.1039/C5DT02932E

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Dalton Transactions