DOI: 10.1063/1.432651. Vibrational progressions in vibronically induced transitions

Vibrational progressions in vibronically induced transitions

10.1063/1.432651

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

It is shown that progressions of totally symmetric vibrations in vibronically induced spectra do not show the same intensity distribution as comparable progressions in allowed spectra. This is due to cross terms, involving both totally symmetric and inducing mode coordinates, in the Herzberg–Teller expansion. These cross terms express the modulation of the vibronic coupling resulting from differences in interatomic distances between the borrowing and lending states. The effect is universal, as opposed to effects based on normal-coordinate rotation or totally symmetric inducing modes, and enters even in the absence of anharmonic coupling. It leads to anomalous intensity distributions which, moreover, are different for emission and absorption spectra. Quantitative estimates are presented which indicate that it should be readily observable in many molecules.

Bibliography

Gregory, A. R., Siebrand, W., & Zgierski, M. Z. (1976). Vibrational progressions in vibronically induced transitions. The Journal of Chemical Physics, 64(8), 3145â3152.

Authors 3

A. R. Gregory (first)
W. Siebrand (additional)
M. Z. Zgierski (additional)

References 25 Referenced 42

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{'key': '2024020914003983200_r2'}
{'key': '2024020914003983200_r3', 'first-page': '245', 'volume': '69', 'year': '1956', 'journal-title': 'Proc. Phys. Soc. London Sect. A.'} / Proc. Phys. Soc. London Sect. A. (1956)
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{'key': '2024020914003983200_r5', 'first-page': '123', 'volume': '35', 'year': '1957', 'journal-title': 'Can J. Phys.'} / Can J. Phys. (1957)
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Dates

Type	When
Created	22 years, 6 months ago (Feb. 27, 2003, 5:10 p.m.)
Deposited	1 year, 6 months ago (Feb. 9, 2024, 9:46 a.m.)
Indexed	1 year, 6 months ago (Feb. 10, 2024, 12:30 a.m.)
Issued	49 years, 4 months ago (April 15, 1976)
Published	49 years, 4 months ago (April 15, 1976)
Published Print	49 years, 4 months ago (April 15, 1976)

Funders 0

None

BibTeX

@article{Gregory_1976, title={Vibrational progressions in vibronically induced transitions}, volume={64}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.432651}, DOI={10.1063/1.432651}, number={8}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Gregory, A. R. and Siebrand, W. and Zgierski, M. Z.}, year={1976}, month=apr, pages={3145–3152} }

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