MODULE PES_Module
   IMPLICIT NONE
   SAVE
   CHARACTER(LEN=25) PES_Name   ! A unique name for the potential energy surface being used.
   CHARACTER(LEN=25) PesNaml   ! A unique name for the potential energy surface being used.
   CHARACTER(LEN=25) PesNamu   ! A unique name for the potential energy surface being used.
   CHARACTER(LEN=25) PesNamd   ! A unique name for the potential energy surface being used.
   NAMELIST/PotentialNames/ PES_Name, PesNaml, PesNamu, PesNamd
END MODULE PES_Module