Duo, see https://github.com/ExoMol/Duo
Duo inputs for isotopologue 16O-1H
16O-1H__MYTHOS.inp
The input files contain experimental energy terms values used to build the model. The PE, DM, SO and EAM functions are represented by expansion parameters as well as on grids of points. The Duo code can be accessed via https://github.com/ExoMol/Duo.