quantum-espresso/test-suite/epw_trev_paw/scf.in

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&control
calculation = 'scf'
prefix = 'sic'
restart_mode = 'from_scratch'
wf_collect = .true.
pseudo_dir = '../../pseudo/'
outdir = './'
/
&system
ibrav = 2
celldm(1) = 8.237
nat = 2
ntyp = 2
ecutwfc = 30.0
/
&electrons
diagonalization = 'david'
diago_david_ndim= 4
mixing_beta = 0.7
conv_thr = 1.0d-10
/
ATOMIC_SPECIES
Si 28.0855 Si.pbe-nl-kjpaw_psl.1.0.0.UPF
C 12.01078 C.pbe-n-kjpaw_psl.1.0.0.UPF
ATOMIC_POSITIONS alat
Si 0.00 0.00 0.00
C 0.25 0.25 0.25
K_POINTS automatic
4 4 4 0 0 0