
begin pw_jobs
pw_job scf
end pw_jobs

begin latticevecs
coord  0.000000  0.500000  0.500000
coord  0.500000  0.000000  0.500000
coord  0.500000  0.500000  0.000000
volume 270.106145921232
end latticevecs
begin coordinates
newtype Si
coord -0.125000 -0.125000 -0.125000
coord  0.125000  0.125000  0.125000
end coordinates
pp_format 3
begin pseudopotential
pp_data 3 2.0 2.0 0.0 0.0
end pseudopotential

exchange_correlation ceperley_alder
number_of_spins 1
diagonalization_method Grassmann
energy_cutoff 25.0
submatrix_energy_cutoff 8.0
accuracy_diag 1.0e-10
diagsafety 2.0
number_kpoints 0
k_grid 5 5 5
k_grid_shift 0.5 0.5 0.5
number_bands 4
number_bands_fft 1
eigspacefrac 1.0
occupy_levels normal
smearing_energy 0.001

optimize insulator
max_iter_diag 100
max_iter_scfloop 1
screening_type previous

#mix_method pulay_kerker
#energy_convergence_criterion 1.0e-10
#max_iter_scfloop 50
#screening_type previous

