Electronic spectra and structure of the hydrogen halides the [formula omitted] and [formula omitted] states of HI and DI

The absorption spectra of HI and DI below 1900 Å have been photographed at high resolution. Analyses of the “B” ← X and C ← X transitions show that the “B” state is the 3Π i component of a 3Π i state (designated here as b) and the C state is a 1Π state. Both b 3 Π i and C 1 Π originate from the same...

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Bibliographic Details
Published in:Journal of molecular spectroscopy 1970-05, Vol.34 (2), p.327-340
Main Authors: Tilford, S.G, Ginter, M.L, Bass, Arnold M
Format: Article
Language:English
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Summary:The absorption spectra of HI and DI below 1900 Å have been photographed at high resolution. Analyses of the “B” ← X and C ← X transitions show that the “B” state is the 3Π i component of a 3Π i state (designated here as b) and the C state is a 1Π state. Both b 3 Π i and C 1 Π originate from the same π 3 σ configuration, exhibit strong predissociations, and show some small Case c effects. The transition from approximately Λ, S toward Ω , ω coupling is discussed for the b and C states of the hydrogen halides, HCl, DCl, HBr, DBr, HI, and DI. Effective molecular constants are presented for the b and C states of HI and DI.
ISSN:0022-2852
1096-083X
DOI:10.1016/0022-2852(70)90098-6