The vibrational spectra of silane and germane derivatives. Part V. The infrared and Raman spectra of dihalogeno(methyl)germanes

Abstract
The i.r. and Raman spectra of the series of dihalogeno(methyl)germanes, MeGeHX2(X = F, Cl, Br, I) and their specifically deuteriated analogues, MeGeDX2, are recorded. A normal co-ordinate treatment based on a modified valence force field confirms the assignment of 17 of the 18 fundamental frequencies for each molecule. The torsional mode is not observed. The transferability of the force constants between the protonated and deuteriated species is tested.

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