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Synthesis and Structure of Neptunium(V) Selenate Complexes M[(NpO2)(SeO4)(H2O)] (M = K, Rb, Cs)

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Abstract

New Np(V) selenate complexes with various outer-sphere cations, K[(NpO2)(SeO4)(H2O)] (1), Rb[(NpO2)(SeO4)(H2O)] (2), and Cs[(NpO2)(SeO4)(H2O)] (3), were synthesized and studied by single-crystal X-ray diffraction. The compounds are isostructural; the Np(V) coordination polyhedron is a pentagonal bipyramid. Neptunyl(V) ions NpO+2 are combined in zigzag chains by cation-cation interaction.

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Acknowledgments

The study was performed using the equipment of the Center for Shared Use of the Crystallography and Photonics Federal Research Center, Russian Academy of Sciences.

Funding

The study was supported by the Ministry of Science and Higher Education of the Russian Federation (project RFMEFI62119X0035).

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Authors and Affiliations

  1. Shubnikov Institute of Crystallography, Crystallography and Photonics Federal Research Center, Russian Academy of Sciences, Leninskii pr. 59, Moscow, 119333, Russia

    A. G. Ivanova

  2. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, korp. 4, Moscow, 119071, Russia

    A. M. Fedoseev

Authors
  1. A. G. Ivanova
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  2. A. M. Fedoseev
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Corresponding author

Correspondence to A. M. Fedoseev.

Additional information

Russian Text © The Author(s), 2019, published in Radiokhimiya, 2019, Vol. 61, No. 6, pp. 464–467.

Conflict of Interest

The authors declare that they have no conflict of interest.

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Ivanova, A.G., Fedoseev, A.M. Synthesis and Structure of Neptunium(V) Selenate Complexes M[(NpO2)(SeO4)(H2O)] (M = K, Rb, Cs). Radiochemistry 61, 656–660 (2019). https://doi.org/10.1134/S106636221906002X

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  • DOI: https://doi.org/10.1134/S106636221906002X

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