Isolation of a new polyoxometalate complex of plutonium

Ian Colliard; Vitalie Stavila; Gauthier J.-P. Deblonde

doi:10.1039/D5CC03481G

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Isolation of a new polyoxometalate complex of plutonium†

Ian Colliard,^a Vitalie Stavila

^b and Gauthier J.-P. Deblonde

*^a

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* Corresponding authors

^a Lawrence Livermore National Laboratory, Livermore, CA 94550, USA
E-mail: Deblonde1@LLNL.gov

^b Sandia National Laboratories, Livermore, CA 94551, USA

Abstract

We report the synthesis, plus structural and spectroscopic characterization, of a plutonium(IV) complex with the polyoxometalate W₅O₁₈⁶⁻. The complex was isolated as Cs₈[Pu(W₅O₁₈)₂]·CsCl·6.5H₂O, with the tetravalent actinide cation sandwiched between two lacunary polyoxotungstate anions. It represents a rare case of a POM compound with plutonium and also the first Peacock–Weakley type complex of plutonium.

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DOI: https://doi.org/10.1039/D5CC03481G
Article type: Communication
Submitted: 19 Jun 2025
Accepted: 03 Jul 2025
First published: 03 Jul 2025
This article is Open Access

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Chem. Commun., 2025, Advance Article

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Isolation of a new polyoxometalate complex of plutonium

I. Colliard, V. Stavila and G. J.-P. Deblonde, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC03481G

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Chemical Communications

Isolation of a new polyoxometalate complex of plutonium†

Abstract

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Isolation of a new polyoxometalate complex of plutonium

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