Diamond Si primitive cell; a=5.43 A
5.4300000000
0.0000000000 0.5000000000 0.5000000000
0.5000000000 0.0000000000 0.5000000000
0.5000000000 0.5000000000 0.0000000000
Si
2
Direct
0.0000000000 0.0000000000 0.0000000000
0.2500000000 0.2500000000 0.2500000000
