The Infrared Spectra of Monochlorogermane and Monochlorogermane-d3

Abstract
Infrared absorption spectra of GeH3Cl and GeD3Cl have been observed and the fundamentals located at 2121.2, 847.7, 422.6 cm—1 (parallel) and 2129.4, 874.6, 604.1 cm—1 (perpendicular) in GeH3Cl, and at 1522, 614, 421 cm—1 (parallel) and 1530, 630, 434 cm—1 (perpendicular) in GeD3Cl. Analysis of the rotational structure of the perpendicular bands in GeH3Cl leads to these values of the rotational constants: A″, 2.603 cm—1; ζ4, —0.059; ζ5, —0.124; ζ6, +0.209. Agreement with microwave A″ is satisfactory. Thermodynamic quantities are computed for GeH3Cl and GeD3Cl.

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