The Rb221Σ+gelectronic state by laser induced fluorescence infrared Fourier transform spectroscopy
- 1 May 1987
- journal article
- research article
- Published by Taylor & Francis in Molecular Physics
- Vol. 61 (1) , 51-63
- https://doi.org/10.1080/00268978700100981
Abstract
Infrared fluorescence of Rb2 in the region 6800-8000 cm-1, arising when the levels of the C 1Π u state are pumped by the 472·7, 476·5, 488·0 and 496·5 nm lines of an argon-ion laser, has been recorded by Fourier transform spectrometry. The fluoresence is assigned to the system C 1Π u → 2 1Σ+ g . The 2 1Σ+ g state energy levels up to v = 24 have been determined. The main spectroscopic constants for this 2 1Σ+ g state are The unusual spacing of the vibrational levels reflects the ionic character of the 2 1Σ+ g state.Keywords
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