Si2
1.0
   3.3486465200000000    0.0000000000000000    1.9333419700000001
   1.1162155100000000    3.1571342200000001    1.9333419700000001
   0.0000000000000000    0.0000000000000000    3.8666839400000002
Si
2
direct
  -0.0000000000000000    0.0000000000000000   -0.0000000000000000 Si
   0.2500000000000000    0.2500000000000000    0.2500000000000000 Si
