Si 
 1.0000000000000000
     5.5473068510070433   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    8.9900687446628194   -0.0000000000000001
    -0.0000000000000000   -0.0000000000000000    5.2086220099990337
 Si 
  16
Selective dynamics
Cartesian
  0.0000000000000000  2.3143268858755341 -0.0000000000000000   T   T   T
 -0.0000000000000000  6.6757418587872852 -0.0000000000000001   T   T   T
  0.0000000000000000  6.8093612582069420  2.6043110049995182   T   T   T
 -0.0000000000000000  2.1807074864558755  2.6043110049995182   T   T   T
  2.7736534255035212  2.3143268858755341  2.6043110049995182   T   T   T
  2.7736534255035212  6.6757418587872852  2.6043110049995182   T   T   T
  2.7736534255035212  6.8093612582069420 -0.0000000000000001   T   T   T
  2.7736534255035212  2.1807074864558755 -0.0000000000000000   T   T   T
  1.2658440762512946 -0.0000000000000009  0.0000000000000000   T   T   T
  4.2814627747557452 -0.0000000000000009  0.0000000000000000   T   T   T
  1.2658440762512946  4.4950343723314088  2.6043110049995182   T   T   T
  4.2814627747557452  4.4950343723314088  2.6043110049995182   T   T   T
  4.0394975017548171 -0.0000000000000009  2.6043110049995182   T   T   T
  1.5078093492522262 -0.0000000000000009  2.6043110049995182   T   T   T
  4.0394975017548171  4.4950343723314088 -0.0000000000000000   T   T   T
  1.5078093492522262  4.4950343723314088 -0.0000000000000000   T   T   T