Direct lattice:
a: 2.799063 1.616040 0.000000
b: -2.799063 1.616040 0.000000
c: 0.000000 0.000000 5.147720
Reciprocal lattice:
a: 1.122373 1.944007 -0.000000
b: -1.122373 1.944007 0.000000
c: 0.000000 -0.000000 1.220576