Fourier-Transform Spectroscopy of [superscript 13]C[superscript 17]O and Deperturbation Analysis of the A[superscript 1]Π (υ=0–3) Levels
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Author(s)
Hakalla, R.
Niu, M.L.
Heays, A.N.
Salumbides, E.J.
Stark, G.
Lyons, J.R.
Eidelsberg, M.
Lemaire, J.L.
Federman, S.R.
de Oliveira, N.
Date Issued
March 2017
Journal
Journal of Quantitative Spectroscopy and Radiative Transfer
Citation
Hakalla, R., M.L. Niu, R.W. Field, A.N. Heays, E.J. Salumbides, G. Stark, J.R. Lyons, et al. “Fourier-Transform Spectroscopy of [superscript 13]C[superscript 17]O and Deperturbation Analysis of the A[superscript 1]Π (υ=0–3) Levels.” Journal of Quantitative Spectroscopy and Radiative Transfer 189 (March 2017): 312–328.
Version
Author's final manuscript
Abstract
The high-resolution B[superscript 1]Σ[superscript +]→A[superscript 1]Π (0, 0) and (0, 3) emission bands of the less-abundant [superscript 13]C[superscript 17]O isotopologue have been investigated by Fourier-transform spectroscopy in the visible region using a Bruker IFS 125HR spectrometer at an accuracy 0.003 cm[superscript -1]. These spectra are combined with high-resolution photoabsorption measurements of the [superscript 13]C[superscript 17]O B[superscript 1]Σ[superscript +]←X[superscript 1]Σ[superscript +] (0, 0), B[superscript 1]Σ[superscript +]←X[superscript 1]Σ[superscript +] (1, 0) and C[superscript 1]Σ[superscript +]←X[superscript 1]Σ[superscript +] (0, 0) bands recorded with an accuracy of 0.01 cm-1 using the vacuum ultraviolet Fourier-transform spectrometer, installed on the DESIRS beamline at the SOLEIL synchrotron. In the studied 17,950–22,500 cm[superscript -1] and 86,800–92,100 cm[superscript -1] regions, 480 transitions have been measured. These new experimental data were combined with data from the C→A and B→A systems, previously analyzed in [superscript 13]C[superscript 17]O. The frequencies of 1003 transitions derived from 12 bands were used to analyze the perturbations between the A[superscript 1]Π (υ=0–3) levels and rovibrational levels of the d[superscript 3]Δ[subscript i], e[superscript 3]Σ[superscript -], a[superscript '3]Σ[superscript +], I[superscript 1]Σ[superscript -] and D[superscript 1]Δ states as well as to a preliminary investigation of weak irregularities that appear in the B[superscript 1]Σ[superscript +] (υ=0) level. Deperturbed molecular constants and term values of the A[superscript 1]Π state were obtained. The spin-orbit and L-uncoupling interaction parameters as well as isotopologue-independent spin-orbit and rotation-electronic perturbation parameters were derived.
MIT Department
Massachusetts Institute of Technology. Department of Chemistry
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DOI of Published Version
https://doi.org/10.1016/j.jqsrt.2016.12.012
