Spectral intensities in the v 3-band of 12CH3 35Cl at 13 μm
- 1 September 1988
- journal article
- research article
- Published by Taylor & Francis in Molecular Physics
- Vol. 65 (1) , 77-83
- https://doi.org/10.1080/00268978800100861
Abstract
A tunable diode laser spectrometer was used to perform measurements of absolute intensities for 98 lines in the v 3-fundamental of methyl chloride. From these data, the vibrational band strength S 0 v was calculated at 296K and for hundred percent of the 12CH3 35Cl-species to be S 0 v = 90·7 ± 1·3cm-2 atm-1 with the uncertainty covering three times the standard deviation. Furthermore the α1-coefficient involved in the Herman-Wallis factor F = (1 + α1 m + …)2 was significantly derived, α1 = -0·00120 ± 0·00018. These results can be used for further applications such as sensing and determination of atmospheric methyl chloride via its absorption in the 13 μm spectral region.Keywords
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