FIR lasing and spectroscopy in the Ch3-rocking band of 0-18 methanol

R. M. Lees

doi:10.1117/12.2301654

1 December 1990 FIR lasing and spectroscopy in the CH₃-rocking band of 0-18 methanol

R. M. Lees

Proceedings Volume 1514, 15th International Conference on Infrared and Millimeter Waves; 15146S (1990) https://doi.org/10.1117/12.2301654
Event: 15th International Conference on Infrared and Millimeter Waves, 1990, Orlando, FL, United States

Abstract

A weak infrared band above the strong C-0 stretching band in CH₃^I8OH is identified as the in-plane CH₃-rocking mode. Numerous P, Q and R branches have been assigned in the high-resolution FTIR spectrum. The energy level pattern in the excited state shows that the torsional barrier height increases markedly by in going from the ground to the excited state. The band overlaps well with the 9.6 μm CO₂ laser band, and six CH₃-rock FIR laser transition systems are identified.

Citation Download Citation

R. M. Lees "FIR lasing and spectroscopy in the CH₃-rocking band of 0-18 methanol", Proc. SPIE 1514, 15th International Conference on Infrared and Millimeter Waves, 15146S (1 December 1990); https://doi.org/10.1117/12.2301654

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