Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, volume 255, pages 119668

DFT study of Raman spectra of polyenes and ß-carotene: Dependence on length of polyene chain and isomer type

Publication typeJournal Article
Publication date2021-07-01
Quartile SCImago
Q2
Quartile WOS
Q1
Impact factor4.4
ISSN13861425
Spectroscopy
Analytical Chemistry
Atomic and Molecular Physics, and Optics
Instrumentation
Abstract
We carried out calculations of non-resonance Raman spectra of ß-carotene and polyenes CH2(CHCH)n-2CHCH2 using the density functional theory (DFT). We revealed that the peak positions and intensities of the CC and CC stretching bands depend on length of the polyene chain and type of the isomer. Our experimental non-resonance Raman spectra of ß-carotene powder match well the DFT-simulated Raman spectrum of ß-carotene in the all-trans form. The peak positions and relative intensities of the CC and CC stretching bands of ß-carotene turned out to be similar in the resonance and non-resonance Raman spectra. An increase in the number of conjugated double bonds (n = 3-30) in a polyene structure results in a monotonous shift of the positions of the most intense CC and CC bands towards lower wavenumbers with an increase in the band intensities. An increase in the isomer number results in the monotonous decrease of the CC stretching band intensity for polyenes with 9, 10, 11, 15 and 24 double bonds. An increase in the isomer number inhomogeneously influences the form, position and intensity of the CC stretching band.

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Novikov V. S. et al. DFT study of Raman spectra of polyenes and ß-carotene: Dependence on length of polyene chain and isomer type // Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy. 2021. Vol. 255. p. 119668.
GOST all authors (up to 50) Copy
Novikov V. S., Kuz'min V., Kuznetsov S., Darvin M. E., Lademann J., Sagitova E. A., Ustynyuk L., Prokhorov K. A., Nikolaeva G. Yu., Kuzmin V. V., Kuznetsov S. V., Darvin M. E. DFT study of Raman spectra of polyenes and ß-carotene: Dependence on length of polyene chain and isomer type // Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy. 2021. Vol. 255. p. 119668.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.saa.2021.119668
UR - https://doi.org/10.1016%2Fj.saa.2021.119668
TI - DFT study of Raman spectra of polyenes and ß-carotene: Dependence on length of polyene chain and isomer type
T2 - Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
AU - Novikov, Vasiliy S
AU - Kuz'min, V.V.
AU - Kuznetsov, S.M.
AU - Darvin, M E
AU - Lademann, J.
AU - Sagitova, E A
AU - Ustynyuk, L.Yu.
AU - Prokhorov, K A
AU - Nikolaeva, G Yu
AU - Kuzmin, V V
AU - Kuznetsov, S. V.
AU - Darvin, Maxim E.
PY - 2021
DA - 2021/07/01 00:00:00
PB - Elsevier
SP - 119668
VL - 255
SN - 1386-1425
ER -
BibTex
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BibTex Copy
@article{2021_Novikov,
author = {Vasiliy S Novikov and V.V. Kuz'min and S.M. Kuznetsov and M E Darvin and J. Lademann and E A Sagitova and L.Yu. Ustynyuk and K A Prokhorov and G Yu Nikolaeva and V V Kuzmin and S. V. Kuznetsov and Maxim E. Darvin},
title = {DFT study of Raman spectra of polyenes and ß-carotene: Dependence on length of polyene chain and isomer type},
journal = {Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy},
year = {2021},
volume = {255},
publisher = {Elsevier},
month = {jul},
url = {https://doi.org/10.1016%2Fj.saa.2021.119668},
pages = {119668},
doi = {10.1016/j.saa.2021.119668}
}
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