Python wrapper for the DRV3D program suite for calculating the ro-vibrational spectra of triatomic molecules.
Links for the original DVR3D software:
https://github.com/ExoMol/dvr3d
Tennyson et al. Computer Physics Communications, 2004, Volume 163, Issue 2, p. 85-116. DOI: 10.1016/j.cpc.2003.10.003