&control
    title = 'Silicon 8 atoms',
    calculation = 'fpmd',
    restart_mode = 'from_scratch',
    ndr = 50,
    ndw = 50,
    dt    = 10.0d0,
    nstep  = 300,
    iprint = 10,
    isave  = 100,
    tstress = .true.,
    tprnfor = .true.,
    prefix = 'si'
    pseudo_dir='/home/scandolo/Q-E/espresso-4.0.4/pseudo/',
    outdir='./',
 /
 &system
    ibrav = 14,
    celldm(1) = 10.20,
    celldm(2) = 1.0,
    celldm(3) = 1.0,
    celldm(4) = 0.0,
    celldm(5) = 0.0,
    celldm(6) = 0.0,
    nat  = 8,
    ntyp = 1,
    nbnd = 16,
    nelec = 32,
    ecutwfc = 12.0,
 /
 &electrons
    electron_dynamics = 'sd',
    emass = 400.d0,
    emass_cutoff = 1.d0,
 /
 &ions
    ion_dynamics = 'none',
 /
 &cell
    cell_dynamics = 'none',
    press = 0.0d0,
 /
ATOMIC_SPECIES
 Si 28.086d0 Si.vbc.UPF 1
ATOMIC_POSITIONS (crystal)
  Si     0.0000    0.0000    0.0000  1 1 1 
  Si     0.0000    0.5000    0.5000  1 1 1 
  Si     0.5000    0.5000    0.0000  1 1 1 
  Si     0.5000    0.0000    0.5000  1 1 1 
  Si     0.2500    0.2500    0.2500  1 1 1 
  Si     0.2500    0.7500    0.7500  1 1 1 
  Si     0.7500    0.7500    0.2500  1 1 1 
  Si     0.7500    0.2500    0.7500  1 1 1