The user documentation for Hibridon
BASISTYPE = 22
System subroutine: sy1d3p
Basis subroutine: hiba22_1d3p.F90
Ref. P. J. Dagdigian, M. H. Alexander, and J. Klos J. Chem. Phys. 143, 054306 (2015).
NTERM: the number of potential surfaces involved. This parameter can not be changed
NSTATE: number of electronic states included: