C******************************************************************************
C
C     CONSTANTS

      real*8 Bohr2Ang
      real*8 hartree2eV
      real*8 eV2kcal
      DATA Bohr2Ang       /0.529177249D0/
!     DATA hartree2eV     /27.2113962d0/
      DATA hartree2eV     /27.21d0/
      DATA eV2kcal        /23.061d0/