Abstract
In this work we present the results of an investigation about Doppler limited infrared absorbing transitions of the C-O stretching vibrational mode of13CD3OD by means of optoacoustic detection. This technique is an alternative, more sensitive and of higher resolution than the Fourier transform spectroscopy which is applied to this methanol isotopomer, due to the contamination problem associated with the fast exchange of OD by OH in the molecule. Using a waveguide CO2 laser of 290 MHz tunability on each line we were able to observe 69 absorptions, most of then of large offset. The data will be useful in theoretical analysis of this sample, as well as a guide in the search for new FIR laser lines.
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Viscovini, R.C., Scalabrin, A. & Pereira, D. Infrared optoacoustic spectroscopy of13CD3OD around the 10R and 10P CO2 laser lines. Int J Infrared Milli Waves 17, 1821–1838 (1996). https://doi.org/10.1007/BF02069457
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DOI: https://doi.org/10.1007/BF02069457