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Synthesis and X-ray diffraction study of R[UO2(CH3COO)3] (R = H3O+ or NH(C2H5) +3 )

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Abstract

Single crystals of (H3O)[UO2(CH3COO)3] (I) and (NH(C2H5)3)[UO2(CH3COO)3] (II) are synthesized, and their structures are studied by X-ray crystallography. Compound I crystallizes in the tetragonal crystal system with the unit cell parameters a = 13.70640(10) Å, c = 27.5258(5) Å, V = 5171.14(11) Å3, space group I41/a, Z = 16, R = 0.0238. The crystals of compound II are orthorhombic with the parameters a = 13.3685(3) Å, b = 10.6990(3) Å, c = 12.2616(3) Å, V = 1753.77(8) Å3, space group Pna21, Z = 4, R = 0.0228. The uranium-containing structural units of crystals I and II are [UO2(CH3COO)3]− island mononuclear groups belonging to the A B 013 (A = UO 2+2 , B01 = CH3COO−) crystal-chemical group of uranyl complexes. [UO2(CH3COO)3]− complexes are linked into a three-dimensional framework by electrostatic interactions with the outer-sphere cations and by hydrogen bonds involving the hydrogen atoms of hydroxonium (I) or triethylammonium (II) with the oxygen atoms of the acetato groups.

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Authors and Affiliations

  1. Samara State University, ul. Akad. Pavlova 1, Samara, 443011, Russia

    L. B. Serezhkina & N. A. Neklyudova

  2. Nikolaev Institute of Inorganic Chemistry, Siberian Division, Russian Academy of Sciences, pr. Akademika Lavrent’eva 3, Novosibirsk, 630090, Russia

    E. V. Peresypkina & A. V. Virovets

Authors
  1. L. B. Serezhkina
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  2. E. V. Peresypkina
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  3. A. V. Virovets
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  4. N. A. Neklyudova
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Correspondence to L. B. Serezhkina.

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Original Russian Text © L.B. Serezhkina, E.V. Peresypkina, A.V. Virovets, N.A. Neklyudova, 2010, published in Zhurnal Neorganicheskoi Khimii, 2010, Vol. 55, No. 7, pp. 1088–1093.

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Serezhkina, L.B., Peresypkina, E.V., Virovets, A.V. et al. Synthesis and X-ray diffraction study of R[UO2(CH3COO)3] (R = H3O+ or NH(C2H5) +3 ). Russ. J. Inorg. Chem. 55, 1020–1025 (2010). https://doi.org/10.1134/S0036023610070065

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  • DOI: https://doi.org/10.1134/S0036023610070065

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