&control
  calculation = 'scf',
  prefix      = 'quartz'
  pseudo_dir  = './pseudo',
  outdir      = './tmp/'
/
&system
  ibrav     = 0,
  celldm(1) = 4.6415377,
  nat       = 9,
  ntyp      = 2,
  ecutwfc   = 80.0,
  nosym     = .true.
/
&electrons
  conv_thr = 1.0d-10
/

ATOMIC_SPECIES
 Si 28.086  Si.pbe-n-kjpaw_psl.1.0.0.UPF
 O  15.999   O.pbe-n-kjpaw_psl.1.0.0.UPF

ATOMIC_POSITIONS crystal
Si    0.4701     0.0000      0.3333333333
Si    0.0000     0.4701      0.6666666667
Si   -0.4701    -0.4701      0.0000000000
O     0.4139     0.2674      0.2144
O     -0.2674    0.1465      0.5477333333
O     -0.1465   -0.4139      0.8810666667
O      0.2674    0.4139     -0.2144
O      0.1465   -0.2674      0.4522666667
O     -0.4139   -0.1465      0.1189333333

CELL_PARAMETERS alat
1.0000000      -1.7320581       0.0000000
1.0000000       1.7320581       0.0000000
0.0000000       0.0000000       2.2000000

K_POINTS automatic
 4 4 4  1 1 1