NumberOfSpecies 1
%block ChemicalSpeciesLabel
   1   14 Si
%endblock ChemicalSpeciesLabel

%block LatticeVectors
    0.0000000000000000    5.1306064620899088    5.1306064620899088
    5.1306064620899088    0.0000000000000000    5.1306064620899088
    5.1306064620899088    5.1306064620899088    0.0000000000000000
%endblock LatticeVectors

AtomicCoordinatesFormat  Fractional

LatticeConstant 1.0 Bohr

%block AtomicCoordinatesAndAtomicSpecies
   0.0000000000000000   0.0000000000000000   0.0000000000000000 1
   0.2500000000000000   0.2500000000000000   0.2500000000000000 1
%endblock AtomicCoordinatesAndAtomicSpecies
