Fourier transform spectroscopy and cross-section measurements of the Herzberg II bands of O2 at 295 K

Fourier transform spectroscopic measurements of the absorption bands of the Herzberg II (c 1Σu−–X 3Σg−) of O2 at 295 K have been made with a resolution of 0.06 cm−1 in the wavelength region 240–275 nm. Rotational line positions are determined with an accuracy of 0.005 cm−1, and rotational term value...

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Bibliographic Details
Published in:The Journal of chemical physics 1999-08, Vol.111 (7), p.2960-2967
Main Authors: Yoshino, K., Esmond, J. R., Parkinson, W. H., Thorne, A. P., Learner, R. C. M., Cox, G.
Format: Article
Language:English
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Summary:Fourier transform spectroscopic measurements of the absorption bands of the Herzberg II (c 1Σu−–X 3Σg−) of O2 at 295 K have been made with a resolution of 0.06 cm−1 in the wavelength region 240–275 nm. Rotational line positions are determined with an accuracy of 0.005 cm−1, and rotational term values are presented for the vibrational levels, v′=6–16. Precise band oscillator strengths of the (7,0)–(16,0) bands are obtained for the first time by direct measurement by summing the cross sections of individual rotational lines of the bands. The rotational line strengths and the branching ratios are also presented for the same bands.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.479577