Si 
 1.0000000000000000
     6.9679330603563523    0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.9679330603563523    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    6.9679330603563523
 Si 
  12
Selective dynamics
Cartesian
  1.7419832650890883  0.0000000000000000  3.4839665301781766   T   T   T
  5.2259497952672627  0.0000000000000000  3.4839665301781766   T   T   T
  3.4839665301781766  1.7419832650890883  0.0000000000000000   T   T   T
  3.4839665301781766  5.2259497952672627  0.0000000000000000   T   T   T
 -0.0000000000000000  3.4839665301781766  1.7419832650890885   T   T   T
 -0.0000000000000000  3.4839665301781766  5.2259497952672627   T   T   T
 -0.0000000000000000  1.7419832650890883  3.4839665301781766   T   T   T
 -0.0000000000000000  5.2259497952672627  3.4839665301781766   T   T   T
  1.7419832650890883  3.4839665301781766  0.0000000000000000   T   T   T
  5.2259497952672627  3.4839665301781766  0.0000000000000000   T   T   T
  3.4839665301781766  0.0000000000000000  5.2259497952672627   T   T   T
  3.4839665301781766  0.0000000000000000  1.7419832650890885   T   T   T