Uranium(VI) complex with m-hydroxybenzoic acid. Synthesis,crystal structure,and spectral properties |
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| Authors: | A. A. Levtsova G. B. Andreev N. A. Budantseva I. G. Tananaev B. F. Myasoedov |
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| Affiliation: | 1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, block 4, Moscow, 119071, Russia
2. Mayak Production Association, pr. Lenina 31, Ozersk, Chelyabinsk oblast, 456780, Russia
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| Abstract: | A new U(VI) compound with m-hydroxybenzoic acid, HIm[(UO2)(C7H5O3)3]·2H2O, was prepared. Its structure was determined by X-ray diffraction analysis and confirmed by the visible and IR spectra. The coordination number of the U atom is 8, with the hydroxyl O atom not involved in coordination with the metal ion. The main structural constituents of the compound are [(UO2)(C7H5O3)3]? anions formed by the sixcoordinate uranyl ion and three hydroxybenzoate ions acting as bidentate ligands. The imidazolium cations participate in hydrogen bonding, linking the adjacent [(UO2)(C7H5O3)3]? anions. The compound contains water molecules of crystallization, also participating in H bonding. |
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