&control
   calculation = 'bands'
   prefix = 'GaAs'
   pseudo_dir = '../../../../pseudo/ld1'
/
&system
   ecutwfc = 10.0
   ibrav = 0
   nat = 2
   ntyp = 2
   nbnd = 12
/
&electrons
   electron_maxstep = 100
   conv_thr = 1e-10
   diago_full_acc = .true.
   diago_david_ndim = 4
   mixing_ndim = 8
   mixing_mode = 'plain'
   diagonalization = 'david'
   mixing_beta = 0.7
/
CELL_PARAMETERS angstrom
   0.0 2.82675 2.82675
   2.82675 0.0 2.82675
   2.82675 2.82675 0.0
ATOMIC_SPECIES 
   Ga 69.723 '31-Ga.PBE.UPF'
   As 74.9216 '33-As.PBE.UPF'
ATOMIC_POSITIONS crystal
   Ga 0.0 0.0 0.0
   As 0.25 0.25 0.25
K_POINTS crystal
   4
   0.25 0.25 0.25 1.0
   0.25 0.25 0.75 3.0
   0.25 0.75 0.75 3.0
   0.75 0.75 0.75 1.0
