1 October 1991 FTIR spectroscopy of the CH3-rocking, OH-bending, CH3-deformation and overtone C-O stretch bands of O-18 methanol
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Proceedings Volume 1576, 16th International Conference on Infrared and Millimeter Waves; 15763M (1991) https://doi.org/10.1117/12.2297843
Event: 16th International Conference on Infrared and Millimeter Waves, 1991, Lausanne, Switzerland
Abstract
The high-resolution Fourier transform infrared (FTIR) spectrum of CH318OH has been investigated in order to probe the vibrational band structure with an ultimate view to identifying transitions for reported optically-pumped far-infrared (FIR) laser lines. Spectra were recorded from 1050 to 1620 cm-1 and 1925 to 2050 cm-1 at 0.004 cm-1 resolution on a DA3.002 Bomem Fourier transform spectrometer. Several vibrational bands occur in these regions. For the in-plane CH3-rocking mode, series in a combination band from the ground state to torsionally excited levels of the CH3-rock have been observed and assigned. Extensive transition series have also been identified for the asymmetric CH3-deformation band, the OH-bending band, and the C-O stretch vco=2−0 overtone band. Analysis is in progress to determine molecular constants in the excited states.
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Saibei Zhao, "FTIR spectroscopy of the CH3-rocking, OH-bending, CH3-deformation and overtone C-O stretch bands of O-18 methanol", Proc. SPIE 1576, 16th International Conference on Infrared and Millimeter Waves, 15763M (1 October 1991); doi: 10.1117/12.2297843; https://doi.org/10.1117/12.2297843
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