High resolution infrared spectroscopy of the {nu}{sub 5} and {nu}{sub 7} and {nu}{sub 7} bands of hexafluoroethane
Conference
·
OSTI ID:437245
- Battelle/Pacific Northwest Lab., Richland, WA (United States)
- Cornell Univ., Ithaca, NY (United States)
The {nu}{sub 5} and {nu}{sub 7} fundamental bands of hexafluoroethane were observed using two molecular beam techniques: pulsed slit-jet, diode laser spectroscopy, and continuous slit-jet, Fourier transform spectroscopy. The estimated rotational temperature of both beams is on the order of 10 K. Preliminary analysis of the {nu}{sub 5} parallel band shows a regular progression of strong K = 0 transitions in the P, Q, and R-branches; other sub-bands are heavily perturbed. The band origin is at 1117.1098(5) cm{sup -1}, B = 0.06140(9) cm{sup -1}, and B{prime} = 0.061641 cm{sup -1} for the prolate symmetric top molecule. The {nu}{sub 7} perpendicular band is centered at 1253 cm{sup -1} and shows a congested series of{sup R}Q and{sup P}Q sub-branches. Spectra from both spectrometers and a detailed ro-vibrational analysis will be presented for both bands.
- OSTI ID:
- 437245
- Report Number(s):
- CONF-9606118--
- Country of Publication:
- United States
- Language:
- English
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