Example: NaCl fractional coordinates
************************************

"Download NaCl_natural.run"

   #!/bin/sh

   $AMSBIN/ams << eor

   Task SinglePoint

   Properties
      Gradients True
   End

   System
      ATOMS
         Na  0   0   0
         Cl  0.5 0.5 0.5
      END
      FractionalCoords yes
      Lattice
        0.000 2.285 2.285
        2.285 0.000 2.285
        2.285 2.285 0.000
      End
   End

   Engine DFTB
      ResourcesDir Demo
      Model DFTB0
      DispersionCorrection Auto
      KSpace
        Type Symmetric
        Symmetric KInteg=3
      End
   EndEngine

   eor
