Renner-Teller interactions in the acetylene molecule
- 1 May 1979
- journal article
- research article
- Published by Taylor & Francis in Molecular Physics
- Vol. 37 (5) , 1397-1412
- https://doi.org/10.1080/00268977900101031
Abstract
The analysis of high resolution absorption spectra of the C2H2, C2D2, 13C2H2 and C2HD molecules in the region 1205–1255 Å has been achieved. The results, combined with available theoretical relations, have led to a complete interpretation of the features observed in that region in terms of several Renner-Teller interactions involving two close-lying electronic states, [Gtilde] and [Htilde], and the two bending vibrations of the molecule. Upper state parameters ε and ω, satisfying isotopic relations, are derived from the interpretation.Keywords
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