Synthesis, crystal structure, and properties of new actinide(VI) arsenates (H3O)[(AnO2)(AsO4)]·3H2O (An = U, Np, Pu)


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Abstract

Previously unknown arsenates of hexavalent U, Np, and Pu, (H3O)[(UO2)(AsO4)]·3H2O (I), (H3O)· [(NpO2)(AsO4)]·3H2O (II), and (H3O)[(PuO2)(AsO4)]·3H2O (III), were synthesized under hydrothermal conditions. The crystal structure of the compounds was determined, and their absorption spectra were measured. The compounds crystallize in tetragonal space group P4/nmm.

About the authors

A. G. Ivanova

Frumkin Institute of Physical Chemistry and Electrochemistry; Federal Research Center for Crystallography and Photonics

Email: n.a.budantseva@mail.ru
Russian Federation, Leninskii pr. 31, korp. 4, Moscow, 119071; Leninskii pr. 59, Moscow, 119333

N. A. Budantseva

Frumkin Institute of Physical Chemistry and Electrochemistry

Author for correspondence.
Email: n.a.budantseva@mail.ru
Russian Federation, Leninskii pr. 31, korp. 4, Moscow, 119071

A. M. Fedoseev

Frumkin Institute of Physical Chemistry and Electrochemistry

Email: n.a.budantseva@mail.ru
Russian Federation, Leninskii pr. 31, korp. 4, Moscow, 119071

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