Resonance Raman excitation profiles of all-trans retinal: theoretical implications

A. G. Doukas; B. Aton; R. H. Callender; B. Honig

doi:10.1016/0009-2614(78)80232-2

Resonance Raman excitation profiles of all-trans retinal: theoretical implications

A. G. Doukas, B. Aton, R. H. Callender, B. Honig

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

The excitation profiles of a number of Raman active bands of all-trans retinal have been measured in the visible region. These experimental results are compared to curves obtained from "A" and "B" terms arising in the theory of Raman spectra. The A term gives an excellent description of the data. Measurements of depolarization ratios are also in accord with these results. It appears then that knowledge of geometry change induced upon excitation will provide an adequate basis for interpreting Raman spectra of molecules related to the visual pigments.

Original language	English (US)
Pages (from-to)	248-252
Number of pages	5
Journal	Chemical Physics Letters
Volume	56
Issue number	2
DOIs	https://doi.org/10.1016/0009-2614(78)80232-2
State	Published - Jun 1 1978
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1016/0009-2614(78)80232-2

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title = "Resonance Raman excitation profiles of all-trans retinal: theoretical implications",

abstract = "The excitation profiles of a number of Raman active bands of all-trans retinal have been measured in the visible region. These experimental results are compared to curves obtained from {"}A{"} and {"}B{"} terms arising in the theory of Raman spectra. The A term gives an excellent description of the data. Measurements of depolarization ratios are also in accord with these results. It appears then that knowledge of geometry change induced upon excitation will provide an adequate basis for interpreting Raman spectra of molecules related to the visual pigments.",

author = "Doukas, {A. G.} and B. Aton and Callender, {R. H.} and B. Honig",

note = "Funding Information: *-Supported in part by grants from the National Science Foun-dation (PCM 7503020 A01 and PCM 77-06728), by a Cottrell Research Corporation grant, and by a City Univer-sity PSC-SHE Research Award.",

year = "1978",

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doi = "10.1016/0009-2614(78)80232-2",

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AU - Doukas, A. G.

AU - Aton, B.

AU - Callender, R. H.

AU - Honig, B.

N1 - Funding Information: *-Supported in part by grants from the National Science Foun-dation (PCM 7503020 A01 and PCM 77-06728), by a Cottrell Research Corporation grant, and by a City Univer-sity PSC-SHE Research Award.

PY - 1978/6/1

Y1 - 1978/6/1

N2 - The excitation profiles of a number of Raman active bands of all-trans retinal have been measured in the visible region. These experimental results are compared to curves obtained from "A" and "B" terms arising in the theory of Raman spectra. The A term gives an excellent description of the data. Measurements of depolarization ratios are also in accord with these results. It appears then that knowledge of geometry change induced upon excitation will provide an adequate basis for interpreting Raman spectra of molecules related to the visual pigments.

AB - The excitation profiles of a number of Raman active bands of all-trans retinal have been measured in the visible region. These experimental results are compared to curves obtained from "A" and "B" terms arising in the theory of Raman spectra. The A term gives an excellent description of the data. Measurements of depolarization ratios are also in accord with these results. It appears then that knowledge of geometry change induced upon excitation will provide an adequate basis for interpreting Raman spectra of molecules related to the visual pigments.

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Resonance Raman excitation profiles of all-trans retinal: theoretical implications

Abstract

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