| Autor: |
Pyernik, M., Perets, E., Scharf, B.E. |
| Zdroj: |
Journal of Molecular Spectroscopy; February 1995, Vol. 169 Issue: 2 p315-328, 14p |
| Abstrakt: |
Novel, important aspects pertaining to the Herzberg-Teller theory vis-à-vis the Jahn-Teller spectra of spin-allowed A ↔ E ⊗ e electronic systems are presented in this paper. Our theoretical investigation reveals that the total strength of the first-order Herzberg-Teller induced forbidden intensity associated with the Jahn-Teller spectra of the cold reverse E ⊗ e → A electronic transition that is promoted by the interstate vibronic interactions in the pertinent e vibrational mode is dramatically enhanced via the action of the linear Jahn-Teller interactions in the radiatively engaged E ⊗ e system. An enhancement by two orders of magnitude is expected for Jahn-Teller electronic energy stabilization amounting to 50 vibrational quanta. On the other hand, in contradistinction, the total strength of such Herzberg-Teller induced forbidden intensity in the Jahn-Teller spectra of the complementary cold forward A → E ⊗ e electronic transition is completely independent of the pertinent Jahn-Teller interactions.Copyright 1995, 1999 Academic Press, Inc. |
| Databáze: |
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