1 &control
2    calculation = 'scf'
3    tstress=.true.
4 /
5 &system
6    ibrav=  2, celldm(1) =10.20, nat=  2, ntyp= 1,
7    ecutwfc =12.0,  nbnd = 8,
8    input_dft='gaup', nqx1=4, nqx2=4, nqx3=4,
9    exxdiv_treatment='none'
10    x_gamma_extrapolation = .false.
11!force_symmorphic=.true.,
12!nr1=16,nr2=16,nr3=16,nr1s=16,nr2s=16,nr3s=16
13 /
14 &electrons
15 /
16ATOMIC_SPECIES
17 Si  28.086  Si.pz-vbc.UPF
18ATOMIC_POSITIONS (alat)
19 Si 0.00 0.00 0.00
20 Si 0.25 0.25 0.25
21K_POINTS automatic
22 4 4 4 1 1 1
23