&CONTROL
                 calculation = 'scf' ,
                restart_mode = 'from_scratch' ,
                      outdir = '/home/mohsen/Desktop/temp/1/gaasdv/' ,
                  pseudo_dir = '/home/mohsen/Desktop/temp/gaas/' ,
                      prefix = 'gaas' ,
 /
 &SYSTEM
                       ibrav = 2,
                   celldm(1) = 8.6,
                         nat = 2,
                        ntyp = 2,
                     ecutwfc = 25 ,
                     ecutrho = 300 ,
                 occupations = 'fixed' ,
 /
 &ELECTRONS
                    conv_thr = 0.0000000001 ,
 /
ATOMIC_SPECIES
   ga   69.72300  ga.UPF 
   as   74.92160  as.UPF 
ATOMIC_POSITIONS alat 
   ga      0.250000000    0.250000000    0.250000000    
   as     -0.250000000   -0.250000000   -0.250000000    
K_POINTS automatic 
  8 8 8   1 1 1