&FORCE_EVAL
  METHOD Quickstep
  &DFT
    BASIS_SET_FILE_NAME  BASIS_SET
    POTENTIAL_FILE_NAME  GTH_POTENTIALS
    &MGRID
      CUTOFF 300
    &END MGRID
    &QS
      EPS_DEFAULT 1.0E-12
    &END QS
    &SCF
      SCF_GUESS ATOMIC
      EPS_SCF 1.0E-6
      MAX_SCF 50
      ADDED_MOS 16
      MAX_DIIS 100
      CHOLESKY REDUCE
      &SMEAR ON
        METHOD FERMI_DIRAC
        ELECTRONIC_TEMPERATURE [K] 300
      &END SMEAR
      &DIAGONALIZATION
        ALGORITHM FILTER_MATRIX
        &FILTER_MATRIX
          FILTER_TEMPERATURE [K] 20000
          AUTO_CUTOFF_SCALE 0.5
          COLLECTIVE_COMMUNICATION OFF
        &END FILTER_MATRIX
      &END DIAGONALIZATION
      &MIXING
        METHOD PULAY_MIXING
        ALPHA 0.2
        BETA 0.2
        NBUFFER 8
      &END MIXING
      &OUTER_SCF
        EPS_SCF 1.0E-6
        MAX_SCF 0
      &END OUTER_SCF
      &PRINT
        &FILTER_MATRIX ON
        &END FILTER_MATRIX
      &END PRINT
    &END SCF
    &XC
      &XC_FUNCTIONAL PADE
      &END XC_FUNCTIONAL
    &END XC
  &END DFT
  &SUBSYS
    &KIND Si
      ELEMENT  Si
      BASIS_SET DZVP-GTH-PADE
      POTENTIAL GTH-PADE-q4
    &END KIND
    &CELL
      A     5.430697500    0.000000000    0.000000000
      B     0.000000000    5.430697500    0.000000000
      C     0.000000000    0.000000000    5.430697500
      MULTIPLE_UNIT_CELL 1 1 1
    &END CELL
    &COORD
      Si    0.000000000    0.000000000    0.000000000
      Si    0.000000000    2.715348700    2.715348700
      Si    2.715348700    2.715348700    0.000000000
      Si    2.715348700    0.000000000    2.715348700
      Si    4.073023100    1.357674400    4.073023100
      Si    1.357674400    1.357674400    1.357674400
      Si    1.357674400    4.073023100    4.073023100
      Si    4.073023100    4.073023100    1.357674400
    &END COORD
    &TOPOLOGY
      MULTIPLE_UNIT_CELL 1 1 1
    &END TOPOLOGY
  &END SUBSYS
  &PRINT
    &FORCES
    &END FORCES
  &END PRINT
&END FORCE_EVAL
&GLOBAL
  PROJECT Si_bulk8
  RUN_TYPE ENERGY
  PRINT_LEVEL MEDIUM
&END GLOBAL

# &EXT_RESTART
#     RESTART_FILE_NAME  A-1.restart
#     RESTART_DEFAULT T
# &END EXT_RESTART
