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Absolute line intensities of CO2 in the 4200-8500 cm region |
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| Authors: | L Wang VI Perevalov SA Tashkun Y Ding S-M Hu |
| Institution: | a USTC-Shanghai Institute for Advanced Studies, University of Science and Technology of China, Shanghai 201315, China b Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China c Laboratory of Theoretical Spectroscopy, Institute of Atmospheric Optics SB RAS, 1, Akademicheskii av., 634055 Tomsk, Russia |
| Abstract: | The absolute line intensities of 13C16O2 were retrieved from Fourier-transform spectra recorded in the region 4200-8500 cm−1. The accuracy of the line intensity determination is estimated to be 5% or better for most lines and about 10% for weak ones. The vibrational transition dipole moments squared and Herman-Wallis coefficients have been determined. The global fittings of the observed line intensities within the framework of the effective operators approach have been performed. As the result of the fittings, most line intensities are reproduced within the experimental accuracy. The comparison between the new measured data and the HITRAN database are also carried out. |
| Keywords: | Carbon dioxide Infrared Fourier transform spectroscopy Absolute line intensities Transition dipole moment Global modeling |
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