FromScratch = yes

CalculationMode = em_resp
ExperimentalFeatures = yes

PeriodicDimensions = 3

a = 10.2

BoxShape = parallelepiped
%LatticeParameters
 a | a | a
%
Spacing = a/14

%ReducedCoordinates
  "Si" |   0.0       | 0.0       | 0.0
  "Si" |   1/2       | 1/2       | 0.0
  "Si" |   1/2       | 0.0       | 1/2
  "Si" |   0.0       | 1/2       | 1/2
  "Si" |   1/4       | 1/4       | 1/4
  "Si" |   1/4 + 1/2 | 1/4 + 1/2 | 1/4
  "Si" |   1/4 + 1/2 | 1/4       | 1/4 + 1/2
  "Si" |   1/4       | 1/4 + 1/2 | 1/4 + 1/2
%


%KPointsGrid
 4 | 4 | 4
 1/2 | 1/2 | 1/2
%

KPointsUseSymmetries = yes
SymmetrizeDensity = yes

Eigensolver = chebyshev_filter
ExtraStates = 4

%EMFreqs
2 | 0.0 | 0.1
%

EMEta = 0.01

FilterPotentials = filter_none

MixField = density

RestartFixedOccupations = no
