Infrared Spectra of the Methyl Halides. II. Methyl Bromide near 4450 cm—1

Abstract
Three overlapping perpendicular bands of CH3Br are assigned in this work to ν24 at 4352.58, ν45 at 4446.03, and ν136 at 4482.39 cm—1. Of these, ν45 is relatively weak, and the analysis was based on directly measured frequencies of the sharp Q branches. The analyses of the other two bands were based on many individual lines in the P and R branches of the subbands.

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