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AbstractAbstract
[en] Vibrational spectra of anhydrous uranyl chloride UO2Cl2 and so called basic uranyl chloride: dihydroxodiuranyl chloride tetrahydrate /UO2(OH)2UO2/Cl2(H2O)4 are reported. Factor group method analysis leads for the first time to complete and comprehensive interpretation of their spectra. Two extreme examples of crystal field influence on vibrational spectra are pointed out: for UO2Cl2, one is unable to explain spectra without taking into account all the elements of primitive crystalline cell, whilst for dihydroxodiuranyl dichloride tetrahydrate the crystal packing has very little effect on vibrational spectra
[fr]
Les spectres de vibration du chlorure d'uranyle anhydre UO2Cl2 et du chlorure de dihidroxodiuranyle hydrate (UO2(OH)2UO2)Cl2(H2O)4 sont rapportes. Une analyse, par la methode du groupe facteur, conduit a la premiere interpretation complete de leurs spectres. Ces composes constituent deux cas extremes de l'influence du champ de cristal: pour UO2Cl2, il est impossible d'expliquer les spectres sans tenir compte de l'ensemble de la maille primitive, tandis que, dans le cas du chlorure de dihydroxodiuranyle, l'effet du cristal est, au contraire, tres faibleOriginal Title
Influence du champ du cristal sur les spectres de vibration: le chlorure d'uranyle anhydre et le chlorure de dihydroxodiuranyle tetrahydrate
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Journal Article
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C. R., Ser. C; v. 282(16); p. 721-724
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