title
1.
0.000000000 2.700000000 2.700000000
2.700000000 0.000000000 2.700000000
2.700000000 2.700000000 0.000000000
2
Cartesian
0.000000000 0.000000000 0.000000000    Si
1.350000000 1.350000000 1.350000000    Si
