Infrared Spectrum of Methyl Chloride near 6000 cm—1

Abstract

The rotational fine structure of the parallel component of 2v₄ of methyl chloride has been resolved. The Q branches of the sub‐bands, and the P and R branch lines of the K = 3 sub‐band have been identified and analyzed. The molecular constants obtained are (in cm^—1): v₀ = 6015.56, B′ = 0.4439, B″ = 0.4436, B′ — B″ = 0.00044, and (A′ — B′) — (A″ — B″) = —0.0481.