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

• 32S-16O2__H2.broad [3.2 KB]
  SO2 - H2 pressure broadening parameters (main isotopologue)
• 32S-16O2__He.broad [3.1 KB]
  SO2 - He pressure broadening parameters (main isotopologue)
• 32S-16O2__HITRAN__He.broad
  He-broadening of SO2 from HITRAN.
• 32S-16O2__air.broad
  SO2 - air pressure broadening parameters (main isotopologue).

References

1. Underwood, D. S., Tennyson, J., Yurchenko, S. N., Huang, X., Schwenke, D. W. , Lee, T. J., Clausen, S., Fateev, A., "ExoMol molecular line lists - XIV: The rotation-vibration spectrum of hot SO₂", Monthly Notices of the Royal Astronomical Society 459, 3890-3899 (2016). [link to article][16AnTeYu.SO2]
2. Rothman, L. S., Gordon, I. E., Babikov, Y., Barbe, A., Chris Benner, D., Bernath, P. F., Birk, M., Bizzocchi, L., Boudon, V., Brown, L. R., Campargue, A., Chance, K., Cohen, E. A., Coudert, L. H., Devi, V. M., Drouin, B. J., Fayt, A., Flaud, J.-M., Gamache, R. R., Harrison, J. J., Hartmann, J.-M., Hill, C., Hodges, J. T., Jacquemart, D., Jolly, A., Lamouroux, J., Le Roy, R. J., Li, G., Long, D. A., Lyulin, O. M., Mackie, C. J., Massie, S. T., Mikhailenko, S., Muller, H. S. P., Naumenko, O. V., Nikitin, A. V., Orphal, J., Perevalov, V., Perrin, A., Polovtseva, E. R., Richard, C., Smith, M. A. H., Starikova, E., Sung, K., Tashkun, S., Tennyson, J., Toon, Vl., G. C., Tyuterev, G., Wagner, G., "The HITRAN 2012 molecular spectroscopic database", Journal of Quantitative Spectroscopy and Radiative Transfer 130, 4-50 (2013). [link to article][13RoGoBa.NO]
3. Guest, E.R., Tennyson, J., Yurchenko, S.N., "Modelling the Rotational Dependence of Line Broadening using Machine Learning", Journal of Molecular Spectroscopy (2024).