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Nitrate Complexes of Neptunium(V) with Organic Single-Сharged Cations in the Outer Sphere

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Abstract

Nitrate complexes of pentavalent neptunium of composition [H3O][C(NH2)3]2[NpO2(NO3)2]3 (I), [N(CH3)4][NpO2(NO3)2(H2O)2] (II), and [HIm][NpO2(Im)5](NO3)2 (III) (Im stands for imidazole C3H4N2) with single-charged organic cations in the outer sphere were isolated in the crystalline form and subjected to an X-ray diffraction analysis. In the complex with guanidinium (I), there occurs cation-cation (CC) interaction of NpO2+, which yields trigonal-hexagonal cation networks. In compounds II and III, there is no CC interaction.

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Funding

The study was in part financed by the Ministry of Science and Higher Education of the Russian Federation (project AAAA-A18-118040590105-4). The X-ray diffraction experiments were performed at the Collective Use Center of the Institute of Physical Chemistry and Electrochemistry.

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Authors and Affiliations

  1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071, Moscow, Russia

    I. A. Charushnikova, M. S. Grigor’ev & A. M. Fedoseev

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  1. I. A. Charushnikova
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  2. M. S. Grigor’ev
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  3. A. M. Fedoseev
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Correspondence to I. A. Charushnikova.

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Charushnikova, I.A., Grigor’ev, M.S. & Fedoseev, A.M. Nitrate Complexes of Neptunium(V) with Organic Single-Сharged Cations in the Outer Sphere. Radiochemistry 62, 301–307 (2020). https://doi.org/10.1134/S1066362220030029

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  • DOI: https://doi.org/10.1134/S1066362220030029

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