&CONTROL
   prefix = 'sodium'
   calculation = 'scf'
   restart_mode = 'from_scratch'
   wf_collect = .false.
   tstress = .true.
   tprnfor = .true.
   outdir = './'
   wfcdir = './'
   pseudo_dir = './'
/
&SYSTEM
   ibrav = 0
   celldm(1) = 7.984096
   nat = 1
   ntyp = 1
   nbnd = 1
   ecutwfc = 30.0
   occupations = 'smearing'
   smearing = 'mv'
   degauss = 0.03
/
&ELECTRONS
   electron_maxstep = 100
   conv_thr = 1.0d-10
   mixing_mode = 'plain'
   mixing_beta = 0.7
   mixing_ndim = 8
   diagonalization = 'david'
   diago_david_ndim = 4
   diago_full_acc = .true.
/
CELL_PARAMETERS alat
       0.500000000   0.500000000   0.500000000
      -0.500000000   0.500000000   0.500000000
      -0.500000000  -0.500000000   0.500000000
ATOMIC_SPECIES
  Na  22.990  Na.UPF
ATOMIC_POSITIONS crystal
  Na   0.000000000   0.000000000   0.000000000
K_POINTS automatic
12 12 12 1 1 1
