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Proceedings Paper

Highly excited vibrational states of 18O3 as a test of the ozone potential energy surface
Author(s): Evgeniya Starikova; Alain Barbe; Marie-Renée De Backer; Didier Mondelain; Samir Kassi; Alain Campargue; Vladimir G. Tyuterev
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Paper Abstract

This work is a part of our systematic investigation of the very weak absorption spectra of 16O3 and 18O3 by high sensitivity Cavity Ring Down Spectroscopy between 5850 and 7920 cm-1. In total, 29 vibrational bands of 16O3 and 24 bands of 18O3 have been assigned in this range. Here we present the recent results of analyses of highly excited states of 18O3 ozone, located near the dissociation energy (D0~8560 cm-1). The comparison of the vibrational band centers obtained from the analysis with the predictions based on the potential energy surface (PES) suggests that the hypothesis of the “reef structure” at the ozone transition state towards the dissociation is not confirmed by spectroscopic observations. In this work, we focus on the comparison between theoretical and experimental values of the 18O3 vibrational levels near the dissociation limit.

Paper Details

Date Published: 19 November 2015
PDF: 5 pages
Proc. SPIE 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics, 96800L (19 November 2015); doi: 10.1117/12.2205973
Show Author Affiliations
Evgeniya Starikova, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
Tomsk State Univ. (Russian Federation)
Alain Barbe, Groupe de Spectrométrie Moléculaire et Atmosphérique, CNRS, UFR Sciences Exactes et Naturelles (France)
Marie-Renée De Backer, Groupe de Spectrométrie Moléculaire et Atmosphérique, CNRS, UFR Sciences Exactes et Naturelles (France)
Didier Mondelain, Univ. Grenoble Alpes (France)
CNRS, LIPhy (France)
Samir Kassi, Univ. Grenoble Alpes (France)
CNRS, LIPhy (France)
Alain Campargue, Univ. Grenoble Alpes (France)
CNRS, LIPhy (France)
Vladimir G. Tyuterev, Groupe de Spectrométrie Moléculaire et Atmosphérique, CNRS, UFR Sciences Exactes et Naturelles (France)


Published in SPIE Proceedings Vol. 9680:
21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics
Oleg A. Romanovskii, Editor(s)

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