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The $v_{4}$ band of Carbonyl fluoride.

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/12460

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dc.creator Flaud, J.- M. en_US
dc.creator Camy-Peyret, C. en_US
dc.creator Goldman, A. en_US
dc.creator Rinsland, C. P. en_US
dc.creator Blatherwick, R. D. en_US
dc.creator Murcray, F. J. en_US
dc.date.accessioned 2006-06-15T15:05:21Z
dc.date.available 2006-06-15T15:05:21Z
dc.date.issued 1991 en_US
dc.identifier 1991-RF-13 en_US
dc.identifier.uri http://hdl.handle.net/1811/12460
dc.description Author Institution: LPMA, Bte 76, T13, CNRS, Universit{\'e} P. et M. Curie,; Physics Department, University of Denver, Denver; Atmospheric Sciences Division, NASA Langley Research Center en_US
dc.description.abstract $COF_{2}$ which has been postulated to be an important intermediate in the decomposition of chlorofluorocarbons in the upper atmosphere has been observed in the stratosphere through the identification of absorption features of its $^{v}6$, $^{v}4$ and $^{v}1$ bands by the ATMOS experiment. In addition, recently the $^{v}6$ and$^{v}4$ bands have been observed at very high resolution ($0.002 cm^{-1}$) using a balloon borne FTS (Denver University group). Since in order to analyse the atmospheric spectra it is necessary to know precisely the spectral parameters of the molecule, we have undertaken, using $0.002 cm^{-1}$ resolution laboratory spectra, an extensive analysis of the $^{v}4$ band of COF2. It proved not possible to reproduce correctly the observed wavenumbers considering the $^{v}4$ = 1 state as isolated and it was necessary to take into account the nearby state located about 4 $cm^{-1}$ below. In this way the line positions were reproduced within their experimental uncertainty allowing to determine accurate band centers and rotational and coupling constants. Comparisons between a calculated and the experimental spectrum will be presented showing the quality of the results. en_US
dc.format.extent 97927 bytes
dc.format.mimetype image/jpeg
dc.language.iso English en_US
dc.title The $v_{4}$ band of Carbonyl fluoride. en_US
dc.type article en_US