lattice_vector           4.02700000        0.00000000        0.00000000
lattice_vector           0.00000000        4.02700000        0.00000000
lattice_vector           0.00000000        0.00000000        4.02700000
atom          0.000000        0.000000        0.000000  Li  
atom          0.500000        0.500000        0.500000  F