Analysis of highly excited 'hot' bands in the SO2 molecule: 2v2 + 3v3 - 2v1 and 2v1 + v 2 + v3 - v2 — National Research Tomsk Polytechnic University

Abstract

We set up a variational procedure of assignments of transitions and we applied it to the analysis very weak 'hot' bands, 2 + 33 - 2 and 21 + 2 + 3 - 2, of the SO2 molecule. As the first step of the study, the 'cold' bands, 33 and 21 + 3, are re-analysed and transitions belonging to those bands are assigned up to the values of quantum numbers Jmax. = 60, [image omitted], and Jmax. = 69, [image omitted] for the bands 33 and 21 + 3, respectively. After 'cleaning' the experimental spectrum from transitions belonging to the 33 and 21 + 3 bands, a variational procedure was used that allowed us to assign 230 and 115 transitions with the values of quantum numbers Jmax. = 35, [image omitted], and Jmax. = 26, [image omitted] for the bands 2 + 33 - 2 and 21 + 2 + 3 - 2, respectively. The sets of spectroscopic parameters obtained by fitting the assigned experimental transitions reproduce the initial experimental data with an accuracy close to experimental uncertainties.

Original language	English
Pages (from-to)	1253-1261
Number of pages	9
Journal	Molecular Physics
Volume	108
Issue number	10
DOIs	https://doi.org/10.1080/00268970903468297
Publication status	Published - 1 Jan 2010

Keywords

High-resolution spectra
Spectroscopic parameters
Sulphur dioxide

ASJC Scopus subject areas

Biophysics
Molecular Biology
Condensed Matter Physics
Physical and Theoretical Chemistry

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10.1080/00268970903468297

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title = "Analysis of highly excited 'hot' bands in the SO2 molecule: 2v2 + 3v3 - 2v1 and 2v1 + v 2 + v3 - v2",

abstract = "We set up a variational procedure of assignments of transitions and we applied it to the analysis very weak 'hot' bands, 2 + 33 - 2 and 21 + 2 + 3 - 2, of the SO2 molecule. As the first step of the study, the 'cold' bands, 33 and 21 + 3, are re-analysed and transitions belonging to those bands are assigned up to the values of quantum numbers Jmax. = 60, [image omitted], and Jmax. = 69, [image omitted] for the bands 33 and 21 + 3, respectively. After 'cleaning' the experimental spectrum from transitions belonging to the 33 and 21 + 3 bands, a variational procedure was used that allowed us to assign 230 and 115 transitions with the values of quantum numbers Jmax. = 35, [image omitted], and Jmax. = 26, [image omitted] for the bands 2 + 33 - 2 and 21 + 2 + 3 - 2, respectively. The sets of spectroscopic parameters obtained by fitting the assigned experimental transitions reproduce the initial experimental data with an accuracy close to experimental uncertainties.",

keywords = "High-resolution spectra, Spectroscopic parameters, Sulphur dioxide",

author = "Ulenikov, {O. N.} and Bekhtereva, {E. S.} and Gromova, {O. V.} and S. Alanko and Horneman, {V. M.} and C. Leroy",

year = "2010",

month = jan,

day = "1",

doi = "10.1080/00268970903468297",

language = "English",

volume = "108",

pages = "1253--1261",

journal = "Molecular Physics",

issn = "0026-8976",

publisher = "Taylor and Francis Ltd.",

number = "10",

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T2 - 2v2 + 3v3 - 2v1 and 2v1 + v 2 + v3 - v2

AU - Ulenikov, O. N.

AU - Bekhtereva, E. S.

AU - Gromova, O. V.

AU - Alanko, S.

AU - Horneman, V. M.

AU - Leroy, C.

PY - 2010/1/1

Y1 - 2010/1/1

N2 - We set up a variational procedure of assignments of transitions and we applied it to the analysis very weak 'hot' bands, 2 + 33 - 2 and 21 + 2 + 3 - 2, of the SO2 molecule. As the first step of the study, the 'cold' bands, 33 and 21 + 3, are re-analysed and transitions belonging to those bands are assigned up to the values of quantum numbers Jmax. = 60, [image omitted], and Jmax. = 69, [image omitted] for the bands 33 and 21 + 3, respectively. After 'cleaning' the experimental spectrum from transitions belonging to the 33 and 21 + 3 bands, a variational procedure was used that allowed us to assign 230 and 115 transitions with the values of quantum numbers Jmax. = 35, [image omitted], and Jmax. = 26, [image omitted] for the bands 2 + 33 - 2 and 21 + 2 + 3 - 2, respectively. The sets of spectroscopic parameters obtained by fitting the assigned experimental transitions reproduce the initial experimental data with an accuracy close to experimental uncertainties.

AB - We set up a variational procedure of assignments of transitions and we applied it to the analysis very weak 'hot' bands, 2 + 33 - 2 and 21 + 2 + 3 - 2, of the SO2 molecule. As the first step of the study, the 'cold' bands, 33 and 21 + 3, are re-analysed and transitions belonging to those bands are assigned up to the values of quantum numbers Jmax. = 60, [image omitted], and Jmax. = 69, [image omitted] for the bands 33 and 21 + 3, respectively. After 'cleaning' the experimental spectrum from transitions belonging to the 33 and 21 + 3 bands, a variational procedure was used that allowed us to assign 230 and 115 transitions with the values of quantum numbers Jmax. = 35, [image omitted], and Jmax. = 26, [image omitted] for the bands 2 + 33 - 2 and 21 + 2 + 3 - 2, respectively. The sets of spectroscopic parameters obtained by fitting the assigned experimental transitions reproduce the initial experimental data with an accuracy close to experimental uncertainties.

KW - High-resolution spectra

KW - Spectroscopic parameters

KW - Sulphur dioxide

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Analysis of highly excited 'hot' bands in the SO₂ molecule: 2v₂ + 3v₃ - 2v₁ and 2v₁ + v ₂ + v₃ - v₂

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