 &control
    calculation = 'scf'
    tstress=.true.
 /
 &system    
    ibrav=  2, celldm(1) =10.20, nat=  2, ntyp= 1,
    ecutwfc =12.0,  nbnd = 8,
    input_dft='pbe0', nqx1=2, nqx2=2, nqx3=2, 
    exxdiv_treatment='gygi-baldereschi'
    x_gamma_extrapolation = .true.
 /
 &electrons
 /
ATOMIC_SPECIES
 Si  28.086  Si.pz-vbc.UPF
ATOMIC_POSITIONS (alat)
 Si 0.00 0.00 0.00 
 Si 0.25 0.25 0.25 
K_POINTS automatic
 4 4 4 1 1 1
