Si 
 1.0000000000000000
     6.3871338052223923    0.0000000000000000    0.0000000000000000
    -0.0000000000000000    6.3871338052223940    0.0000000000000000
     0.0000000000000000    0.0000000000000000    3.9599355112910155
 Si 
   8
Selective dynamics
Cartesian
  5.2418865474235670  5.2418865474235661  0.0000000000000000   T   T   T
  1.1452472577988269  1.1452472577988271  0.0000000000000000   T   T   T
  1.1452472577988269  5.2418865474235661  0.0000000000000000   T   T   T
  5.2418865474235670  1.1452472577988271  0.0000000000000000   T   T   T
  2.0483196448123686  2.0483196448123686  1.9799677556455069   T   T   T
  4.3388141604100223  4.3388141604100268  1.9799677556455069   T   T   T
  4.3388141604100223  2.0483196448123677  1.9799677556455069   T   T   T
  2.0483196448123686  4.3388141604100268  1.9799677556455069   T   T   T