The ν1 + 3ν2 + 3ν3 and 4ν1 + ν2 + ν3 bands of ozone by CW-cavity ring down spectroscopy between 5900 and 5960 cm |
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Authors: | S. Kassi M.-R. De Backer-Barilly |
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Affiliation: | a Laboratoire de Spectrométrie Physique, UMR CNRS 5588, Université Joseph Fourier, BP 87, 38402 Saint Martin d’Hères Cedex, France b Groupe de Spectrométrie Moléculaire et Atmosphérique, UMR CNRS 6089, UFR Sciences Exactes et Naturelles, BP 1039, 51687 Reims Cedex 2, France |
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Abstract: | The absorption spectrum of ozone, 16O3, has been recorded in the 5903-5960 cm−1 region by high sensitivity CW-cavity ring down spectroscopy (αmin ∼ 5 × 10−10 cm−1). The ν1 + 3ν2 + 3ν3 and 4ν1 + ν2 + ν3 A-type bands centred at 5919.15 and 5947.07 cm−1 were newly observed. A set of 173 and 168 energy levels could be experimentally determined for the (1 3 3) and (4 1 1) states, respectively. Except for a few Ka = 5 levels of the (4 1 1) state, the rotational structure of the two states was found mostly unperturbed. The spectroscopic parameters were determined from a fit of the corresponding line positions by considering the (1 3 3) and (4 1 1) states as isolated. The determined effective Hamiltonian and transition moment operators were used to generate a list of 785 transitions given as Supplementary Material. |
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Keywords: | Ozone, 16O3 Cavity ring down spectroscopy, CRDS Effective Hamiltonian |
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