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$^{12}C^{16}O^{18}O$ : HIGH RESOLUTION EMISSION SPECTRA BY FOURIER TRANSFORM SPECTROSCOPPY (FROM 2000 TO $2400 CM^{-1}$)

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/11818

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Title: $^{12}C^{16}O^{18}O$ : HIGH RESOLUTION EMISSION SPECTRA BY FOURIER TRANSFORM SPECTROSCOPPY (FROM 2000 TO $2400 CM^{-1}$)
Creators: Bailly, D.; Guelachvili, G.; Rossetti, C.
Issue Date: 1983
Abstract: In order to study the vibrational levels of the $CO_{2}$ molecule and those of its main isotopic species, the emission spectra of $CO_{2}-N_{2}$, $CO_{2}-N_{2}-He$ gas mixtures excited by d.c. discharge have been recorded with a Fourier transform Spectrometer (Resolution: $5.4 10^{-3}cm^{-1}$) between 1700 and $2400 cm^{-1}$. The vibrational luminescence of 6 isotopic species $^{12}C^{16}O_{2}$, $^{12}C^{18}O_{2}$, $^{13}C^{16}O_{2}$, $^{13}C^{18}O_{2}$, $^{12}C^{16}O^{18}O$ and $^{13}C^{16}O^{18}O$, have been observed: for each one, thousands of lines from band sequences $ v_{1}v_{2}^\ell v_{3} \rightarrow v_{1}v_{2}^\ell (v_{3}-1)$ have been assigned. Results from symmetric molecules have been reported in previous papers. We shall present results obtained from the analysis of 15 vibrational transitions concerning the asymmetric species $^{12}C^{16}O^{18}O$. We shall give the spectroscopic constants associated with the 33 vibrational levels or sublevels observed; these constants allow us to reproduce the experimental wavenumbers with a standard deviation $<8 10^{-5}cm^{-1}$, the best being 4 $10^{-5}cm^{-1}$.
URI: http://hdl.handle.net/1811/11818
Other Identifiers: 1983-ME-08
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