Characterization of the first Peacock–Weakley polyoxometalate containing a transplutonium element: curium bis-pentatungstate [Cm(W5O18)2]9−

Ian Colliard; Gauthier J.-P. Deblonde

doi:10.1039/D4CC01381F

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Characterization of the first Peacock–Weakley polyoxometalate containing a transplutonium element: curium bis-pentatungstate [Cm(W₅O₁₈)₂]⁹⁻†

Ian Colliard*^ab and Gauthier J.-P. Deblonde

*^ac

Author affiliations

* Corresponding authors

^a Physical and Life Sciences Directorate, Glenn T. Seaborg Institute, Lawrence Livermore National Laboratory, Livermore, California 94550, USA
E-mail: Colliard1@LLNL.gov, Deblonde1@LLNL.gov

^b Material Sciences Division, Lawrence Livermore National Laboratory, Livermore, California 94550, USA

^c Nuclear and Chemical Sciences Division, Lawrence Livermore National Laboratory, Livermore, California 94550, USA

Abstract

Leveraging microgram-level techniques, we here present the first transplutonium bis-pentatungstate complex: NaCs₈Cm(W₅O₁₈)₂·14H₂O (CmW₅). Single crystal XRD, Raman, and fluorescence characterization show significant differences relative to analogous lanthanide compounds. The study reveals the unsuspected impact of counterions on fluorescence and vibrational modes of the curium complex and its lanthanide counterparts.

This article is part of the themed collection: Chemical Communications HOT Articles 2024

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Article information

DOI: https://doi.org/10.1039/D4CC01381F
Article type: Communication
Submitted: 26 Mar 2024
Accepted: 08 May 2024
First published: 09 May 2024
This article is Open Access

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Chem. Commun., 2024,60, 5999-6002

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Characterization of the first Peacock–Weakley polyoxometalate containing a transplutonium element: curium bis-pentatungstate [Cm(W₅O₁₈)₂]⁹⁻

I. Colliard and G. J.-P. Deblonde, Chem. Commun., 2024, 60, 5999 DOI: 10.1039/D4CC01381F

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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