High-temperature molecular line list of hydroboron monoxide (HBO).

Phys Chem Chem Phys

School of Energy and Power Engineering, Shandong University, 27 Shanda Nanlu, Jinan, 250061, PR China.

Published: April 2024

Hydroboron monoxide (HBO) is expected to occur in envelopes of the asymptotic giant branch (AGB), but a lack of spectroscopic data is hampering its possible detection. Using the state-of-the-art method, we present the first, comprehensive molecular line list for HBO which is suitable for temperatures up to = 3000 K. This new line list covers the wavenumber range of 0-9000 cm (wavelengths of ≥ 1.11 μm), and it contains almost 75 million transitions between 435 631 energy levels with rotational excitation up to = 120. The new line list of HBO can facilitate its future molecular detection in the laboratory and interstellar space.

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http://dx.doi.org/10.1039/d3cp05997aDOI Listing

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