The Y, band of natural germane (GeH,) has been recorded using a continuous wave stimulated Raman experiment which we describe in this paper. The resolution is about 0.003 cm-I at 10 Torr pressure. In the first stage of the analysis, the Raman lines were identified thanks to the recent study of the v1 and u3 bands made by Lepage, Champion and Robiette. In the second stage, the stimulated Raman data were combined with the infrared data to refine the excited state constants of the isotopic species "GeH.,, "GeH4 and ',Ge&.
A partir de l'analyse de la bande Raman ν2 de SF6, les constantes scalaires de l'état de base ont pu être déterminées : B0 = 0,091 11 ± 0,000 05 cm-1, D0 = (0,16 ± 0,08) 10-7 cm-1
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