&control
    calculation     = 'scf'
    prefix          = 'pb'
    restart_mode    = 'from_scratch'
    wf_collect      = .true.
    pseudo_dir      = '.'
    outdir          = './'
    verbosity       = 'high'
    tprnfor         = .true.
    tstress         = .true.
 /
 &system
    noncolin        = .true.,
    lspinorb        = .true.,
    ibrav           = 2
    celldm(1)       = 9.27
    nat             = 1
    ntyp            = 1
    ecutwfc         = 60
    occupations     = 'smearing'
    smearing        = 'mp'
    degauss         = 0.025
 /
 &electrons
    diagonalization = 'david'
    mixing_beta     = 0.7
    conv_thr        = 1.0d-10
 /
ATOMIC_SPECIES
 Pb 207.2   pb_s.UPF
ATOMIC_POSITIONS crystal
Pb        0.000000000   0.000000000   0.000000000
K_POINTS AUTOMATIC
6 6 6 0 0 0