ATOMIC_SPECIES
Si 1   Si_ONCV_PBE-1.0.upf

LATTICE_CONSTANT
7.0  // add lattice constant, 10.58 ang

NUMERICAL_ORBITAL
Si_lda_10.0au_50Ry_2s2p1d

LATTICE_VECTORS
      1.00       0.0000000     0.000000
      0.000000       1.0000     0.00000
      0.00000       0.00000000     1.000
ATOMIC_POSITIONS
Direct //Cartesian or Direct coordinate.

Si              //Element Label
0
2              //number of atom
0.00000000        0.00000000         0.00000000     0 0 0
0.5000000         0.50000000         0.50000000     0 0 0
