Note: unless otherwise stated, the broadening coefficients for the principal (most abundant) isotopologue can be used for other isotopologues of the same molecule.

• 16O-12C-32S__H2.broad [2.9 KB]
  a0-broadening parameters produced by averaging values from paper "H2, He, and CO2 line-broadening coefficients, pressure shifts and temperature-dependence exponents for the HITRAN database. Part 1: SO2, NH3, HF, HCl, OCS and C2H2." Compiled by Yixin Wang.
• 16O-12C-32S__He.broad [2.9 KB]
  a0-broadening parameters produced by averaging values from paper "H2, He, and CO2 line-broadening coefficients, pressure shifts and temperature-dependence exponents for the HITRAN database. Part 1: SO2, NH3, HF, HCl, OCS and C2H2." Compiled by Yixin Wang.
• 16O-12C-32S__air.broad
  OCS - air pressure broadening parameters (main isotopologue).

References

1. Wilzewski, J. S., Gordon, I. E., Kochanov, R. V., Hill, C., Rothman, L. S., "H₂, He, and CO₂ line-broadening coefficients, pressure shifts and temperature-dependence exponents for the HITRAN database. Part 1: SO₂, NH₃, HF, HCl, OCS and C₂H₂", Journal of Quantitative Spectroscopy and Radiative Transfer 168, 193-206 (2016). [link to article][16WiGoKo.SO2]
2. Guest, E.R., Tennyson, J., Yurchenko, S.N., "Modelling the Rotational Dependence of Line Broadening using Machine Learning", Journal of Molecular Spectroscopy (2024).