A single crystal X-ray diffraction and IR study of (NH4)2[(UO2)C2O4(CH3COO)2] |
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| Authors: | N. A. Neklyudova A. V. Vologzhanina L. B. Serezhkina V. N. Serezhkin |
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| Affiliation: | 1. Samara State University, ul. Akad. Pavlova 1, Samara, 443011, Russia
2. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia
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| Abstract: | A single crystal X-ray diffraction study of (NH4)2[(UO2)C2O4(CH3COO)2] was performed. The compound crystallizes in the monoclinic system; unit cell parameters (at 100 ± 2 K): a = 6.793(2), b = 18.866(6), c = 20.730(7) Å, β = 90.040(7)°, space group P21/c, Z = 8, V = 2656.5(14) Å3, R = 0.0495. The main structural units of the crystals are mononuclear complexes [(UO2)C2O4(CH3COO)2]2? belonging to crystal-chemical group AB 3 01 (A = UO 2 2+ , B01 = CH3COO? and C2O 4 2? ) of uranyl complexes. The uranium-containing anions are linked with ammonium cations by electrostatic interactions and a system of hydrogen bonds. The results of the X-ray diffraction analysis of the compound are well consistent with the IR data. |
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