Abstract
The formation of the thioammelinium cation in an aqueous solution in the presence of uranyl ions is demonstrated. Single crystal X-ray diffraction study of (C3N5H6S)2[UO2(C2O4)2(H2O)] · C2N4H4 was carried out and the geometric characteristics of thioammelinium were determined for the first time. The crystals are triclinc, space group \(P\bar 1\), Z = 2, a = 8.5201(11) Å, b = 11.4027(14) Å, c = 14.329(2) Å, α = 103.182(5)°, β = 99.607(6)°, γ = 109.698(4)°, R = 0.0526. The main structural units in the crystal are mononuclear complex groups [UO2(C2O4)2(H2O)]2− corresponding to the crystal chemical group AB 012 M1 (A = UO 2+2 , B01 = C2O 2−4 , M1 = H2O) of uranyl complexes. Uranium-containing mononuclear complexes are connected into a three-dimensional framework through electrostatic interactions and hydrogen bonds involving thioammelinium ions, water molecules, and cyanoguanidine.
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Original Russian Text © L.B. Serezhkina, A.V. Virovets, E.V. Peresypkina, I.V. Medrish, 2007, published in Koordinatsionnaya Khimiya, 2007, Vol. 33, No. 5, pp. 380–385.
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Serezhkina, L.B., Virovets, A.V., Peresypkina, E.V. et al. Synthesis and crystal structure of (C3N5H6S)2[UO2(C2O4)2(H2O)] · C2N4H4 . Russ J Coord Chem 33, 371–376 (2007). https://doi.org/10.1134/S1070328407050119
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DOI: https://doi.org/10.1134/S1070328407050119