First high resolution analysis of the 3ν2 and 3ν2−ν2 bands of 32S16O2

O. N. Ulenikov, E. S. Bekhtereva, O. V. Gromova, K. B. Berezkin, V. M. Horneman, C. Sydow, C. Maul, S. Bauerecker

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The second bending overtone band 3ν2 of sulfur dioxide has been studied for the first time with high resolution rotation-vibration spectroscopy. The 1530 transitions involving 728 upper state energy levels with Jmax.= 53 and Ka max.= 15 have been assigned to the 3ν2 band. The 746 transitions belonging to the 3ν2−ν2 “hot” band have been also assigned in the region of 950–1100 cm−1. For the analysis of the assigned transitions, an effective Hamiltonian of an isolated (030) vibrational state (the Watson operator in A-reduction and Ir representation) was used. Set of 9 varied parameters was determined which reproduce the initial experimental data with the drms deviations of 9.0×10−4 cm−1 and 9.8×10−4 cm−1 for the 3ν2 and 3ν2−ν2 bands, which are comparable with the experimental uncertainties.

Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalJournal of Quantitative Spectroscopy and Radiative Transfer
Volume202
DOIs
Publication statusPublished - 1 Nov 2017

Fingerprint

Hamiltonians
Sulfur Dioxide
Electron transitions
Electron energy levels
Spectroscopy
high resolution
sulfur dioxides
vibrational states
energy levels
deviation
harmonics
operators
vibration
Uncertainty
spectroscopy

Keywords

  • Determination of parameters
  • SO molecule
  • “Hot” bands

ASJC Scopus subject areas

  • Radiation
  • Atomic and Molecular Physics, and Optics
  • Spectroscopy

Cite this

First high resolution analysis of the 3ν2 and 3ν2−ν2 bands of 32S16O2. / Ulenikov, O. N.; Bekhtereva, E. S.; Gromova, O. V.; Berezkin, K. B.; Horneman, V. M.; Sydow, C.; Maul, C.; Bauerecker, S.

In: Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 202, 01.11.2017, p. 1-5.

Research output: Contribution to journalArticle

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AU - Ulenikov, O. N.

AU - Bekhtereva, E. S.

AU - Gromova, O. V.

AU - Berezkin, K. B.

AU - Horneman, V. M.

AU - Sydow, C.

AU - Maul, C.

AU - Bauerecker, S.

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N2 - The second bending overtone band 3ν2 of sulfur dioxide has been studied for the first time with high resolution rotation-vibration spectroscopy. The 1530 transitions involving 728 upper state energy levels with Jmax.= 53 and Ka max.= 15 have been assigned to the 3ν2 band. The 746 transitions belonging to the 3ν2−ν2 “hot” band have been also assigned in the region of 950–1100 cm−1. For the analysis of the assigned transitions, an effective Hamiltonian of an isolated (030) vibrational state (the Watson operator in A-reduction and Ir representation) was used. Set of 9 varied parameters was determined which reproduce the initial experimental data with the drms deviations of 9.0×10−4 cm−1 and 9.8×10−4 cm−1 for the 3ν2 and 3ν2−ν2 bands, which are comparable with the experimental uncertainties.

AB - The second bending overtone band 3ν2 of sulfur dioxide has been studied for the first time with high resolution rotation-vibration spectroscopy. The 1530 transitions involving 728 upper state energy levels with Jmax.= 53 and Ka max.= 15 have been assigned to the 3ν2 band. The 746 transitions belonging to the 3ν2−ν2 “hot” band have been also assigned in the region of 950–1100 cm−1. For the analysis of the assigned transitions, an effective Hamiltonian of an isolated (030) vibrational state (the Watson operator in A-reduction and Ir representation) was used. Set of 9 varied parameters was determined which reproduce the initial experimental data with the drms deviations of 9.0×10−4 cm−1 and 9.8×10−4 cm−1 for the 3ν2 and 3ν2−ν2 bands, which are comparable with the experimental uncertainties.

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