Abstract
IN the flame of the arc between carbon electrodes containing barium chloride or nitrate, a class of red-degrading bands appear between λ4300–λ8000. These have been attributed to the oxide of barium and analysed into two systems with their (0,0) bands at 17,713v and 16,060v respectively. The rotational structure analysis of (0,1), (0,2) and (1,1) bands for the less refrangible system and (1,0), (0,0), (0,1) bands for the more refrangible system have been done. The two systems have a common lower level, and are due to 1σ, 1σ transitions. In the lower state, B″ = 0.3075 cm.-1. The detailed account of the analysis will appear elsewhere.
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MAHANTI, P. Band Spectra of Barium Oxide (BaO). Nature 131, 402 (1933). https://doi.org/10.1038/131402d0
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DOI: https://doi.org/10.1038/131402d0
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