Si 
 1.0000000000000000
     5.4312307484489262   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    5.4312307484489262   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    5.4312307484489262
 Si 
   8
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000 -0.0000000000000000   T   T   T
  0.0000000000000000  2.7156153742244626  2.7156153742244626   T   T   T
  2.7156153742244626  2.7156153742244626 -0.0000000000000000   T   T   T
  2.7156153742244626  0.0000000000000000  2.7156153742244626   T   T   T
  4.0734230613366931  1.3578076871122313  4.0734230613366931   T   T   T
  1.3578076871122311  1.3578076871122313  1.3578076871122311   T   T   T
  1.3578076871122311  4.0734230613366931  4.0734230613366931   T   T   T
  4.0734230613366931  4.0734230613366931  1.3578076871122311   T   T   T