High-resolution infrared study of the ν7, ν8, and ν15 bands and millimeter-wave investigation of the v8=1 state of CF2Cl-CH3

High-resolution (Delta sigma = 2.3 and 2.9 x 10(-3) cm(-1)) FTIR spectra of natural and Cl-35 monoisotopic CH3CF2Cl have been recorded at -70 degrees C in the 600-1400 cm(-1) range. The bands nu(7), nu(8), and nu(15) have been rotationally analyzed for both isotopic varieties. With the help of predictions based on nu(8) parameters, the millimeter-wave spectrum of the Cl-35 species in the nu(8) = 1 state has been observed and jointly fitted with the IR data. Only a small number of local perturbations have been detected in the spectra. Altogether more than 8000 IR transitions have been fitted with an experimental precision of ca. 3 x 10(-4) cm(-1). (C) 2000 Academic Press.