Si2
1.0
   0.0000000000000000    2.7500000000000000    2.7500000000000000
   2.7500000000000000    0.0000000000000000    2.7500000000000000
   2.7500000000000000    2.7500000000000000    0.0000000000000000
Si
2
direct
   0.1250000000000000    0.1250000000000000    0.1250000000000000 Si
   0.8750000000000000    0.8750000000000000    0.8750000000000000 Si
