  general:
  System = PbTe_rocksalt
  ISTART =  0 ; ICHARG=2
  ENCUT  =    600
  ISMEAR = 2; SIGMA = 0.2;
  EDIFF = 1.0E-9

  LSCALAPACK = .False.
  ADDGRID = .True.
  PREC = Accurate
  
  LREAL = .False.
  NPAR = 8; KPAR = 4

  LWAVE = .False.;LCHARG = .False.

  GGA = PS



