Vibration—Rotation Spectra and Structures of Germyl Halides

Abstract

The rotational constants A″ and ζ values have been determined by the analysis of the rotational structure of the perpendicular bands of GeH₃F, GeH₃Cl, GeH₃Br, and GeH₃I. By combining the microwave and the infrared data, the structural parameters of some of the germyl halide molecules have been refined. A strong rotational perturbation was observed in the GeH₃ deformation fundamental v₅ of GeH₃Br which has been interpreted as a second‐order Coriolis interaction between two fundamental vibrations (v₂ and v₅) of different symmetry.