Synthesis and crystal structure of (NH4)(CN3H6)[UO2(SeO3)2] |
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| Authors: | A. V. Marukhnov E. V. Peresypkina A. V. Virovets D. V. Pushkin L. B. Serezhkina |
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| Affiliation: | (1) Samara State University, ul. Akad. Pavlova 1, Samara, 443011, Russia;(2) Nikolaev Institute of Inorganic Chemistry, Siberian Division, Russian Academy of Sciences, pr. Akad. Lavrent’eva 3, Novosibirsk, 630090, Russia |
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| Abstract: | Single crystals of (NH4)(CN3H6)[UO2(SeO3)2] (I) are synthesized and studied by X-ray diffraction analysis. The compound crystallizes in the triclinic crystal system with the unit cell parameters: a = 7.0051(2) Å, b = 9.4234(3) Å, c = 9.5408(3) Å, α = 88.727(1)°, β = 70.565(1)°, γ= 77.034(1)°, space group P 1, Z = 2, R = 0.0224. The main structural units of crystals I are the [UO2(SeO3)2]2? chains of the crystal-chemical group AB2B11 (A = UO 2 2+ , B2= SeO3 2?, B11= SeO3 2?) of the uranyl complexes. The uranium-containing complexes are joined into a three-dimensional framework by the ammonium and guanidinium ions and a system of hydrogen bonds. |
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