PREC = Accurate
  IBRION = -1
  ENCUT = 500
  EDIFF = 1.0e-08
  ISMEAR = 0 
  SIGMA = 0.01
  IALGO = 38
  LREAL = .FALSE.
  ADDGRID = .TRUE.
  LWAVE = .FALSE.
  LCHARG = .FALSE.
  NCORE = 8 
  KPAR = 8