&CONTROL calculation = 'scf', prefix = 'phon', tstress = .true., outdir = './tmp/', / &SYSTEM A = 4.33695, ecutwfc = 75.000000, ibrav = 2, nat = 2, ntyp = 2, / &ELECTRONS / ATOMIC_SPECIES Si 28.085 Si.pz-vbc.UPF C 12.011 C.pz-vbc.UPF ATOMIC_POSITIONS Si 0.000000 0.000000 0.000000 C 0.250000 0.250000 0.250000 K_POINTS automatic 10 10 10 1 1 1