&CONTROL
    pseudo_dir = '.'
    disk_io = 'none'
 /

 &SYSTEM
    ibrav = 2
    A = xxxx
    nat = 2
    ntyp = 1
    ecutwfc = 60.0
 /

 &ELECTRONS
 /

ATOMIC_SPECIES
 C  12.011  C.pz-vbc.UPF

ATOMIC_POSITIONS {crystal}
 C 0.00 0.00 0.00
 C 0.25 0.25 0.25

K_POINTS {automatic}
  4 4 4 1 1 1