Si 
 1.0000000000000000
     6.7664431610858493   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.7664431610858493    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.7664431610858493
 Si 
  16
Selective dynamics
Cartesian
  0.6615276113598110  0.6615276113598109  0.6615276113598110   T   T   T
  2.7216939691831152  6.1049155497260381  4.0447491919027403   T   T   T
  6.1049155497260381  4.0447491919027403  2.7216939691831152   T   T   T
  4.0447491919027403  2.7216939691831152  6.1049155497260381   T   T   T
  4.0447491919027403  4.0447491919027403  4.0447491919027403   T   T   T
  6.1049155497260381  2.7216939691831152  0.6615276113598109   T   T   T
  2.7216939691831152  0.6615276113598109  6.1049155497260381   T   T   T
  0.6615276113598110  6.1049155497260381  2.7216939691831152   T   T   T
  6.1049155497260381  6.1049155497260381  6.1049155497260381   T   T   T
  4.0447491919027403  0.6615276113598109  2.7216939691831152   T   T   T
  0.6615276113598110  2.7216939691831152  4.0447491919027403   T   T   T
  2.7216939691831152  4.0447491919027403  0.6615276113598109   T   T   T
  2.7216939691831152  2.7216939691831152  2.7216939691831152   T   T   T
  0.6615276113598110  4.0447491919027403  6.1049155497260381   T   T   T
  4.0447491919027403  6.1049155497260381  0.6615276113598109   T   T   T
  6.1049155497260381  0.6615276113598109  4.0447491919027403   T   T   T