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Infrared spectroscopy of17O- and18O-enriched carbon dioxide in the 1700–8300 cm−1wavenumber region

Authors
Journal
Journal of Quantitative Spectroscopy and Radiative Transfer
0022-4073
Publisher
Elsevier
Volume
113
Issue
17
Identifiers
DOI: 10.1016/j.jqsrt.2012.06.028
Keywords
  • Carbon Dioxide
  • Isotopologues
  • Infrared
  • Vibration-Rotation
  • Line Positions
  • Spectroscopic Constants
  • Hitran
  • Cdsd
Disciplines
  • Mathematics

Abstract

Abstract The assignment of the high resolution Fourier transform spectra of carbon dioxide enriched in 17O and 18O which were recorded in LADIR (Paris, France) with the Bruker IFS 125-HR between 1800 and 9000cm−1 and in USTC (Hefei, China) with the Bruker IFS 120-HR between 1700 and 9000cm−1 was performed. In total 239 bands of 12 isotopologues: 16O12C16O, 16O12C18O, 16O13C16O, 16O13C18O, 18O12C18O, 18O13C18O, 16O12C17O, 17O12C17O, 17O12C18O, 16O13C17O, 17O13C17O and 17O13C18O were observed. Among them, 99 bands were observed for the first time. The majority of new observed bands belong to 17OCO isotopologues. The positions of 23,003 lines were determined with the experimental uncertainty on the level of 0.001cm−1. The spectroscopic constants were fitted to the observed line positions for all observed bands.

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