Ftir spectroscopy of the lower vibrational modes of O-18 methanol

Saibei Zhao

doi:10.1117/12.2298237

14 December 1992 Ftir spectroscopy of the lower vibrational modes of O-18 methanol

Saibei Zhao

Proceedings Volume 1929, 17th International Conference on Infrared and Millimeter Waves; 19293C (1992) https://doi.org/10.1117/12.2298237
Event: 17th International Conference on Infrared and Millimeter Waves, 1992, Pasadena, CA, United States

Abstract

The high-resolution MR spectrum of CH3180H has been investigated from 1100-1600 cm-1. Broad absorptions occur in this region with poorly-defined structure yet to be conclusively identified. Various sub-branches have been assigned and linked together by combination differences. From 1100-1400 cm-1, they involve excited torsional levels of the CH3-rock interacting with the OH-bend, and above 1400 cm-1 the out-of-plane CH3-deformation mode in Coriolis resonance with the symmetric CH3-bend. The vibrational energy pattern is discussed, along with improvements to HR laser wavenumbers.

Citation Download Citation

Saibei Zhao "Ftir spectroscopy of the lower vibrational modes of O-18 methanol", Proc. SPIE 1929, 17th International Conference on Infrared and Millimeter Waves, 19293C (14 December 1992); https://doi.org/10.1117/12.2298237

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