 &control
    calculation     = 'nscf'
    prefix          = 'diam'
    restart_mode    = 'from_scratch'
    pseudo_dir      = '../../pseudo/'
    outdir          = './'
 /
 &system
    ibrav           = 2
    celldm(1)       = 6.64
    nat             = 2
    ntyp            = 1
    ecutwfc         = 20
    occupations     = 'fixed'
    nbnd = 12
 /
 &electrons
    diago_full_acc  = .true.
    diagonalization = 'david'
    mixing_beta     = 0.7
    diago_david_ndim = 2
    conv_thr        = 1.0d-10
 /
ATOMIC_SPECIES
  C  12.01078  C.UPF
ATOMIC_POSITIONS alat
  C   0.00  0.00  0.00
  C   0.25  0.25  0.25
K_POINTS crystal
 5
   0.0  0.0  0.0   1.0
   0.5  0.5  0.5   1.0
   0.1  0.2  0.3   1.0
  -0.3  0.4 -0.1   1.0
  -0.4 -0.3 -0.2   1.0

