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Nina A. Budantseva, A. M. Fedosseev, A. A. Bessonov, M. S. Grigoriev, Jean-Claude Krupa

Synthesis and spectroscopic properties of neptunium VI and plutonium VI oxoanion compounds

Optical and far-IR spectroscopy techniques have shown that the spectroscopic properties of Np(VI) and Pu(VI) compounds formed with different tetrahedral anions XO₄^2- (X = S, Se, Cr) are depending on the nature of the central atom X in the oxoanions. Changes in electronic transition energies within the ground state configuration are mainly due to crystal field perturbations induced by oxygen charge distribution variations in the actinide ion surrounding depending upon the nature of X. Changes may be related to covalence variation in An-O bonding or distortions in the ligand arrangement.

Radiochimica Acta, Oldenbourg Wissenschaftsverlag

Print ISSN: 0033-8230
Volume: 88, 05/2000
Pages: 291

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