&GLOBAL
  PROJECT si8_stress
  PRINT_LEVEL LOW
  RUN_TYPE ENERGY_FORCE
&END GLOBAL
&FORCE_EVAL
  METHOD QS
  STRESS_TENSOR ANALYTICAL
  &PRINT
    &FORCES ON
    &END FORCES
    &STRESS_TENSOR ON
     COMPONENTS
    &END STRESS_TENSOR
  &END
  &DFT
    BASIS_SET_FILE_NAME GTH_BASIS_SETS
    POTENTIAL_FILE_NAME GTH_POTENTIALS
    &MGRID
      CUTOFF 200
    &END MGRID
    &QS
      METHOD GPW
    &END QS
    &SCF
      SCF_GUESS ATOMIC
      MAX_SCF   20
      EPS_SCF 1.0e-7
      EPS_DIIS 1.0e-7
      &OT OFF
        PRECONDITIONER FULL_ALL
        ENERGY_GAP 0.001
      &END OT
      &MIXING
          METHOD BROYDEN_MIXING
          ALPHA   0.6
          BETA   1.0
          NBROYDEN 15
      &END
      ADDED_MOS   20 20
    &END SCF
    &XC
      &XC_FUNCTIONAL PBE
      &END XC_FUNCTIONAL
    &END XC
    &PRINT
      &LOCAL_ENERGY_CUBE
      &END
      &LOCAL_STRESS_CUBE
      &END
    &END
  &END DFT
  &SUBSYS
    &CELL
       ABC   5.42858871335 5.42858871335 5.42858871335
    &END CELL
    &KIND  Si
      BASIS_SET  DZVP-GTH
      POTENTIAL  GTH-PBE-q4
    &END
    &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
  &END SUBSYS
&END FORCE_EVAL
