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Fourier-transform absorption spectroscopy of H2O in the first hexade region |
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| Authors: | A.-W. Liu O. Naumenko K.-F. Song S.-M. Hu |
| Affiliation: | a Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026, China b Shanghai Institute for Advanced Studies, University of Science and Technology of China, Shanghai 201315, China c Institute of Atmospheric Optics, SB, Russian Academy of Science, Tomsk, Russia d Department of Physics and Astronomy, University College London, London WC1E 6BT, UK |
| Abstract: | The Fourier-transform absorption spectrum of H218O was recorded in the 6000-7940 cm−1 region and assigned on the base of the very accurate ab initio calculations by Partridge and Schwenke (PS) [J. Chem. Phys. 106 (1997) 4618-4639; J. Chem. Phys. 113 (2000) 6592-6597]. A set of 821 accurate rovibrational energy levels was obtained for six interacting states of the first hexad: (101), (120), (021), (200), (002), and (040). 290 of them are reported for the first time. The experimental line intensities are also estimated and compared with the PS calculations and the available literature data in the considered spectral range. |
| Keywords: | Vibration-rotation spectroscopy Water vapor absorption Spectroscopic parameters |
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