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

• 28Si-16O__Ar.broad
  SiO - Ar pressure broadening parameters (main isotopologue).
• 28Si-16O__CH4.broad
  SiO - CH4 pressure broadening parameters (main isotopologue).
• 28Si-16O__CO.broad
  SiO - CO pressure broadening parameters (main isotopologue).
• 28Si-16O__CO2.broad
  SiO - CO2 pressure broadening parameters (main isotopologue).
• 28Si-16O__H2.broad
  SiO - H2 pressure broadening parameters (main isotopologue).
• 28Si-16O__H2O.broad
  SiO - H2O pressure broadening parameters (main isotopologue).
• 28Si-16O__He.broad
  SiO - He pressure broadening parameters (main isotopologue).
• 28Si-16O__N2.broad
  SiO - N2 pressure broadening parameters (main isotopologue).
• 28Si-16O__NH3.broad
  SiO - NH3 pressure broadening parameters (main isotopologue).
• 28Si-16O__NO.broad
  SiO - NO pressure broadening parameters (main isotopologue).
• 28Si-16O__O2.broad
  SiO - O2 pressure broadening parameters (main isotopologue).
• 28Si-16O__self.broad
  SiO - self pressure broadening parameters (main isotopologue).
• 28Si-16O__air.broad
  SiO - air pressure broadening parameters (main isotopologue).

References

1. Buldyreva, J., Yurchenko, S.N., Tennyson, J., "Simple semi-classical model of pressure-broadened infrared/microwave linewidths in the temperature range 200-3000 K.", RAS Techniques and Instruments 1, 43-47 (2022). [link to article]
2. Guest, E.R., Tennyson, J., Yurchenko, S.N., "Modelling the Rotational Dependence of Line Broadening using Machine Learning", Journal of Molecular Spectroscopy (2024).