High-resolution spectra of BaS were recorded using laser excitation spectroscopy. BaS molecules were synthesized in a Broida-type oven. The observed rotationally-resolved spectrum of BaS in the 12 100-12 765 cm -1 spectral range contains the 2-1, 3-1, 3-2, 4-2, 5-2, 5-3 vibrational bands of the A′ 1Π-X 1Σ + transition and the 4-1, 5-1, 5-2 vibrational bands of the a 3Π 1-X 1Σ + transition. Approximately 1000 lines of the A′ 1Π-X 1Σ + transition and 600 lines of the a 3Π 1-X 1Σ + transition for the main isotopologue 138Ba 32S (67.5% natural abundance) were measured. Rotational and vibrational parameters were derived for the A′ 1Π and a 3Π 1 states. © 2011 Elsevier Inc. All rights reserved.
CITATION STYLE
Li, G., Wang, J. G., & Bernath, P. F. (2012). High resolution laser excitation spectroscopy of barium monosulfide. Journal of Molecular Spectroscopy, 271(1), 10–14. https://doi.org/10.1016/j.jms.2011.10.003
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