Paper
1 April 1992 High-resolution inner-valence UV photoelectron spectra of the O2 molecule and CI calculations of 2IIu states between 20 and 26 eV
P. Baltzer, B. Wannberg, L. Karlsson, M. Carlsson-Goethe, Mats Larsson
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Abstract
High resolution HeI and HeII excited inner valence photoelectron spectra of the oxygen molecule have been recorded between 20 and 26 eV. In this range, three photoelectron bands are clearly seen; they are associated with the B 2(Sigma) g-,3 2$PIu and c 4(Sigma) u- states of O2+. The state of 2$PIu symmetry observed around 24 eV shows a long vibrational progression, contrary to earlier work, with spacings that decrease successively toward higher electron binding energies. The assignment is confirmed by ab initio calculations. These calculations show that if the potential curve is followed along the electron configuration rather than the adiabatic curve, the vibrational structure can be accounted for.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
P. Baltzer, B. Wannberg, L. Karlsson, M. Carlsson-Goethe, and Mats Larsson "High-resolution inner-valence UV photoelectron spectra of the O2 molecule and CI calculations of 2IIu states between 20 and 26 eV", Proc. SPIE 1638, Optical Methods for Time- and State-Resolved Chemistry, (1 April 1992); https://doi.org/10.1117/12.58167
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Cited by 2 scholarly publications.
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KEYWORDS
Molecules

Oxygen

Ultraviolet radiation

Chemistry

Microwave radiation

Physics

Monochromators

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