Si 
 1.0000000000000000
     5.4027341154764494    0.0000000000000000    0.0000000000000000
     0.0000000000000000    5.4027341154764494    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    5.4027341154764494
 Si 
   8
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000000  2.7013670577382243  2.7013670577382243   T   T   T
  2.7013670577382243  2.7013670577382243  0.0000000000000000   T   T   T
  2.7013670577382243  0.0000000000000000  2.7013670577382243   T   T   T
  4.0520505866073364  1.3506835288691121  4.0520505866073364   T   T   T
  1.3506835288691119  1.3506835288691121  1.3506835288691119   T   T   T
  1.3506835288691119  4.0520505866073364  4.0520505866073364   T   T   T
  4.0520505866073364  4.0520505866073364  1.3506835288691119   T   T   T