Abstract
The near infrared ν 2 + ν 5 1 combination bands of OCH 35Cl and OCH 37Cl have been recorded using a high frequency wavelength modulation diode laser supersonic jet spectrometer. In addition, the static gas phase spectra of the associated ν 2 + ν 5 1 − ν 5 1 and ν 2 + 2 ν 5 2 − 2 ν 5 2 hot bands in OCH 35Cl have been recorded using Fourier transform infrared absorption spectroscopy. The combined results permitted the evaluation of the band origin of 48.9944(2) cm −1, a rotational constant of 0.0565731(6) cm −1, a distortion constant of 1.906 × 10 −7(6) cm −1, and the Coriolis coupling constant of 0.0001466(2) cm −1 for the low frequency intermolecular bending vibration of the OCH 35Cl isotopomer.
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