&FORCE_EVAL
  METHOD Quickstep
  &DFT
    &QS
      METHOD MNDO
      &SE
        INTEGRAL_SCREENING KDSO-D
        PERIODIC EWALD
        &COULOMB
          CUTOFF   [angstrom]     8.0
          RC_RANGE [angstrom]     0.1
        &END
        &SCREENING
          RC_TAPER [angstrom]     6.0
          RC_RANGE [angstrom]     0.1
        &END
        &PRINT
          &EWALD_INFO
          &END
        &END
      &END
    &END QS
    &SCF
      MAX_SCF 30
      EPS_SCF 1.0E-6
      SCF_GUESS ATOMIC
      &OT
        MINIMIZER CG
        PRECONDITIONER FULL_ALL
      &END
      &OUTER_SCF
        MAX_SCF 6
        EPS_SCF 1.0E-6
      &END
      &PRINT
         &RESTART OFF
         &END
      &END
    &END SCF
    &POISSON
      &EWALD
        &MULTIPOLES
          MAX_MULTIPOLE_EXPANSION NONE
        &END
        EWALD_TYPE ewald
        ALPHA  .5
        GMAX   21
      &END EWALD
    &END
  &END DFT
  &SUBSYS
    &CELL
      ABC [angstrom]  4.91300    4.91300    5.40520
      ALPHA_BETA_GAMMA [deg]  90.00000   90.00000  120.00000
    &END CELL
    &COORD
SCALED
 SI1    0.47010   -0.00000    0.33333
 OX1    0.41360    0.26760    0.21410
 SI1    0.00000    0.47010    0.66667
 OX1    0.73240    0.14600    0.54743
 SI1    0.52990    0.52990    0.00000
 OX1    0.85400    0.58640    0.88077
 OX1    0.26760    0.41360    0.78590
 OX1    0.14600    0.73240    0.45257
 OX1    0.58640    0.85400    0.11923
    &END
    &TOPOLOGY
      CONNECTIVITY OFF
    &END
    &KIND OX1
      ELEMENT O
    &END
    &KIND SI1
      ELEMENT Si
    &END
  &END SUBSYS
  &PRINT
    &FORCES
    &END
  &END
&END FORCE_EVAL
&GLOBAL
  PROJECT SiO2
  PRINT_LEVEL LOW
  #RUN_TYPE DEBUG
  RUN_TYPE ENERGY_FORCE
&END GLOBAL
&MOTION
  &GEO_OPT
    MINIMIZER BFGS
    MAX_ITER 1000
    &BFGS
    &END
  &END
&END
&DEBUG
  DX 0.01
&END
