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Crystal structure of a double Np(V) and Co(NH3) 3+6 maleate, Co(NH3)6[NpO2(HL)2(H2O)3](HL)2•H2O [L = OOC(HC)2COO]

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Abstract

Crystal structure of a double Np(V) and Co(NH3) 3+6 maleate Co(NH3)6[NpO2(HL)2(H2O)3](HL)2⋅H2O [L = OOC(HC)2COO] was studied. The crystal structure consists of complex anions [NpO2(HL)2(H2O)3]−, HL− anions, [Co(NH3)6]3+ cations, and water molecules of crystallization. Hydrogen bonds in which proton donors are water molecules and hexaamminecobalt cations link structural fragments to form a 3D network. The coordination polyhedra of the Np(V) atoms are pentagonal bipyramids whose equatorial planes are formed by oxygen atoms of two HL− anions and three water molecules. Four crystallographically independent maleate anions were identified in the structure. Two of these anions enter into the Np(V) surrounding, and their coordination capacity is 1.

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Authors and Affiliations

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

    I. A. Charushnikova & N. N. Krot

  2. Nesmeyanov Institute of Heteroorganic Compounds, Russian Academy of Sciences, Moscow, Russia

    Z. A. Starikova

Authors
  1. I. A. Charushnikova
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  2. N. N. Krot
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  3. Z. A. Starikova
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Translated from Radiokhimiya, Vol. 46, No. 6, 2004, pp. 521–523.

Original Russian Text Copyright © 2004 by Charushnikova, Krot, Starikova.

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Charushnikova, I.A., Krot, N.N. & Starikova, Z.A. Crystal structure of a double Np(V) and Co(NH3) 3+6 maleate, Co(NH3)6[NpO2(HL)2(H2O)3](HL)2•H2O [L = OOC(HC)2COO]. Radiochemistry 46, 565–569 (2004). https://doi.org/10.1007/s11137-005-0028-3

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  • DOI: https://doi.org/10.1007/s11137-005-0028-3

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