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Synthesis and crystal structures of [UO2(C6H4NO2)2(C6H5NO2)] and [UO2SO4(C6H5NO2)(H2O)] · H2O

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Abstract

The complexes [UO2(C6H4NO2)2(C6H5NO2) (I) and [UO2SO4(C6H5NO2)(H2O)] · H2O (II) were synthesized and studied by X-ray diffraction analysis. Crystals I are monoclinic: a = 7.0081(3), b = 14.9624(7), c = 9.1837(5) Å, β = 96.594(2)°, Z = 2, space group P21/m. Crystals II are triclinic: a = 6.8097(6), b = 9.3837(8), c = 10.4556(10) Å, α = 85.279(3), β = 75.434(3), γ = 69.180(3)°, Z = 2, space group \(P\bar 1\). The main structural unit of crystal I is a mononuclear fragment, which belongs to the crystal chemical group AB 012 M1 (A = UO 2+2 , B01 are ions of pyridine-2-carboxylic (picolinic) acid, M1 are molecules of picolinic acid) of the uranyl complexes. The main structural unit of crystal II is a chain, which belongs to the crystal chemical group AT3M 12 (where T3-SO 2−4 , M1 are water and picolinic acid molecules) of the uranyl complexes. Picolinic acid in complexes I, II was found to have a zwitterion structure.

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Authors and Affiliations

  1. Samara State University, Samara, Russia

    E. V. Grechishnikova & L. B. Serezhkina

  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

  3. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia

    Yu.l N. Mikhailov

Authors
  1. E. V. Grechishnikova
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  2. E. V. Peresypkina
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  3. A. V. Virovets
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  4. Yu.l N. Mikhailov
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  5. L. B. Serezhkina
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Original Russian Text © E.V. Grechishnikova, E.V. Peresypkina, A.V. Virovets, Yu.N. Mikhailov, L.B. Serezhkina, 2007, published in Koordinatsionnaya Khimiya, 2007, Vol. 33, No. 6, pp. 468–475.

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Grechishnikova, E.V., Peresypkina, E.V., Virovets, A.V. et al. Synthesis and crystal structures of [UO2(C6H4NO2)2(C6H5NO2)] and [UO2SO4(C6H5NO2)(H2O)] · H2O. Russ J Coord Chem 33, 458–465 (2007). https://doi.org/10.1134/S1070328407060127

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  • DOI: https://doi.org/10.1134/S1070328407060127

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