Skip to Main content Skip to Navigation
Journal articles

Radiative transition probabilities in the X2Πg state of CO2+

Abstract : Using ab initio calculated potential energy and electric dipole moment functions, absolute radiative transition probabilities between the rovibronic Renner-Teller states of the electronic ground state X-2 Pi(g) of CO2+ have been evaluated. The rovibronic eigenstates were obtained (up to 6500 cm(-1) and J <= 13/2) from variational calculations including the Renner-Teller and spin-orbit angular momentum couplings. The absolute intensities for the rovibrational states of the neutral CO2 electronic ground state, calculated by a similar approach, are found to be in excellent agreement with experimental data. For CO2+ the presented results are expected to have similar accuracy. It is found that the overtone intensities of the antisymmetric stretching mode of CO2+ are of similar magnitude as the fundamental transitions, in contrast with CO2. The theoretically generated IR-emission spectrum is compared with the limb spectrum of the Mars atmosphere, measured by the Thermal Emission Spectrometer on Mars Global Surveyor. (C) 2007 Elsevier Ltd. All rights reserved.
Complete list of metadata
Contributor : Céline Léonard Connect in order to contact the contributor
Submitted on : Wednesday, May 2, 2012 - 6:29:43 PM
Last modification on : Wednesday, March 23, 2022 - 11:38:08 AM

Links full text



Céline Léonard, M. Diehr, P. Rosmus, W. C. Maguire. Radiative transition probabilities in the X2Πg state of CO2+. Journal of Quantitative Spectroscopy and Radiative Transfer, Elsevier, 2008, 109 (4), pp.535-548. ⟨10.1016/j.jqsrt.2007.07.011⟩. ⟨hal-00693582⟩



Record views