&GLOBAL
  PRINT_LEVEL LOW
  PROJECT si8_stress
  RUN_TYPE ENERGY_FORCE
&END GLOBAL

&FORCE_EVAL
  METHOD QS
  STRESS_TENSOR ANALYTICAL
  &DFT
    BASIS_SET_FILE_NAME GTH_BASIS_SETS
    POTENTIAL_FILE_NAME GTH_POTENTIALS
    &MGRID
      CUTOFF 200
    &END MGRID
    &PRINT
      &LOCAL_ENERGY_CUBE
      &END LOCAL_ENERGY_CUBE
      &LOCAL_STRESS_CUBE
      &END LOCAL_STRESS_CUBE
    &END PRINT
    &QS
      METHOD GPW
    &END QS
    &SCF
      ADDED_MOS 20 20
      EPS_DIIS 1.0e-7
      EPS_SCF 1.0e-7
      MAX_SCF 20
      SCF_GUESS ATOMIC
      &MIXING
        ALPHA 0.6
        BETA 1.0
        METHOD BROYDEN_MIXING
        NBROYDEN 15
      &END MIXING
      &OT OFF
        ENERGY_GAP 0.001
        PRECONDITIONER FULL_ALL
      &END OT
    &END SCF
    &XC
      &XC_FUNCTIONAL PBE
      &END XC_FUNCTIONAL
    &END XC
  &END DFT
  &PRINT
    &FORCES ON
    &END FORCES
    &STRESS_TENSOR ON
      COMPONENTS
    &END STRESS_TENSOR
  &END PRINT
  &SUBSYS
    &CELL
      ABC 5.42858871335 5.42858871335 5.42858871335
    &END CELL
    &COORD
      Si       0.05000       0.05000       0.05000
      Si       1.35715       1.35715       1.35715
      Si       0.00000       2.71429       2.71429
      Si       1.35715       4.07144       4.07144
      Si       2.71429       0.00000       2.71429
      Si       4.07144       1.35715       4.07144
      Si       2.71429       2.71429       0.00000
      Si       4.07144       4.07144       1.35715
    &END COORD
    &KIND Si
      BASIS_SET DZVP-GTH
      POTENTIAL GTH-PBE-q4
    &END KIND
  &END SUBSYS
&END FORCE_EVAL
