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Crystal structure of a Np(V) sesquioxalate, Na4(NpO2)2(C2O4)3·2H2O

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Abstract

The crystal structure of a previously unknown Np(V) sesquioxalate, Na4(NpO2)2(C2O4)3·2H2O was studied. The crystal structure consists of neptunyl(V) cations, sodium cations, oxalate anions, and water molecules of crystallization. Neptunyl(V) cations and oxalate ions form anionic chains [(NpO2)2(C2O4)3] 4n− n . The coordination polyhedron (CP) of Np (pentagonal bipyramid) contains two apical “yl” oxygen atoms and five equatorial O atoms of three oxalate ions. The CP of Na(1) and Na(2) cations are combined through the common edges into zigzag chains in the [010] direction. Two independent oxalate ions are tridentate and tetradentate ligands.

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Authors and Affiliations

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

    I. A. Charushnikova & N. N. Krot

  2. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia

    I. N. Polyakova

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  1. I. A. Charushnikova
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  2. N. N. Krot
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  3. I. N. Polyakova
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Original Russian Text © I.A. Charushnikova, N.N. Krot, I.N. Polyakova, 2007, published in Radiokhimiya, 2007, Vol. 49, No. 2, pp. 102–105.

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Charushnikova, I.A., Krot, N.N. & Polyakova, I.N. Crystal structure of a Np(V) sesquioxalate, Na4(NpO2)2(C2O4)3·2H2O. Radiochemistry 49, 112–116 (2007). https://doi.org/10.1134/S1066362207020026

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  • DOI: https://doi.org/10.1134/S1066362207020026

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