ATOMIC_SPECIES
Si 28.0855 Si_ONCV_PBE-1.0.upf

LATTICE_CONSTANT
1.889726877774355

LATTICE_VECTORS
0 2.715 2.715
2.715 0 2.715
2.715 2.715 0

ATOMIC_POSITIONS
Direct
Si
0
2
0.000920810313076 0.999079189686924 0.999079189686924 1 1 1
0.25 0.25 0.25 1 1 1
