&control
    calculation='scf'
    restart_mode='from_scratch',  
    tstress = .true.
    tprnfor = .true. 
    prefix='silicon',
    pseudo_dir='/users/sol/risueno/Asier/esp4/pseudo'
    outdir = '.',
 /
 &system    
    ibrav=  2, celldm(1) =10.2, nat=  2, ntyp= 1,
    ecutwfc = 12.0, 
 /
 &electrons
 /
ATOMIC_SPECIES
 Si  28.086  Si.vbc.UPF
ATOMIC_POSITIONS
 Si 0.00 0.00 0.00 
 Si 0.25 0.25 0.25 
K_POINTS
   2
   0.25 0.25 0.75 3.0
   0.25 0.25 0.25 1.0