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The cation complex uranyl UO22+, is an molecular ion very stable. It possesses a linear geometry O=U=O, with connections U-O short of the order of 1,75 Å. Studies returned for to the fictionalization of this ion, for the insert of appropriate ligands it has been enough discussed in the literature. In this work we studied the transitions in the area of the uv-visible of the ion uranyl coordinated to the against-cation acetate, derived chemist of the acetic acid, in the compound UO2(H3CCOO)2.2H2O, known as uranyl acetate. For that your transitions were observed, calculated and compared by force of the oscillator by the Gaussian and Simpson methods. Optical parameters of connection such an as effect nephelauxetic (1 - ), covalence factor b1/2, and Sinha parameter, they were also appraised. Our purpose is allow information of this chemical system, for subsequent researches involving this ion in complex systems obtained in general by our group and groups of researches.

SPECTROCHEMICAL STUDIES OF THE ION UO22+ COORDINATED IN THE URANYL ACETATE UO2(H3CCOO)2.2H2O