&control
    calculation = 'scf'
    title = 'TDDFPT-EELS Example Si (NC PP)'
    restart_mode='from_scratch',
    pseudo_dir = '../pseudo',
    outdir='./out',
    prefix='Si'
 /
 &system
    ibrav = 2,
    celldm(1) = 10.263048,
    nat = 2,
    ntyp = 1,
    ecutwfc = 16.0, 
    nosym=.false.
    noinv=.false.
 /
 &electrons
    diagonalization='david'
    mixing_mode = 'plain'
    mixing_beta = 0.7
    conv_thr =  1.0d-10
 /
ATOMIC_SPECIES
 Si  28.08  Si.pz-vbc.UPF
ATOMIC_POSITIONS
 Si 0.00 0.00 0.00
 Si 0.25 0.25 0.25
K_POINTS {automatic}
3 3 3 1 1 1