Si 
 1.0000000000000000
     6.7788056768001326    0.0000000000000000    0.0000000000000000
    -0.0000000000000000    6.7788056768001326    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.7788056768001326
 Si 
  16
Selective dynamics
Cartesian
  0.6940924526460148  0.6940924526460148  0.6940924526460148   T   T   T
  2.6953103857540532  6.0847132241541191  4.0834952910460833   T   T   T
  6.0847132241541191  4.0834952910460833  2.6953103857540532   T   T   T
  4.0834952910460833  2.6953103857540532  6.0847132241541191   T   T   T
  4.0834952910460833  4.0834952910460833  4.0834952910460833   T   T   T
  6.0847132241541191  2.6953103857540532  0.6940924526460147   T   T   T
  2.6953103857540532  0.6940924526460148  6.0847132241541191   T   T   T
  0.6940924526460148  6.0847132241541191  2.6953103857540532   T   T   T
  6.0847132241541191  6.0847132241541191  6.0847132241541191   T   T   T
  4.0834952910460833  0.6940924526460147  2.6953103857540532   T   T   T
  0.6940924526460148  2.6953103857540532  4.0834952910460833   T   T   T
  2.6953103857540532  4.0834952910460833  0.6940924526460147   T   T   T
  2.6953103857540532  2.6953103857540532  2.6953103857540532   T   T   T
  0.6940924526460148  4.0834952910460833  6.0847132241541191   T   T   T
  4.0834952910460833  6.0847132241541191  0.6940924526460147   T   T   T
  6.0847132241541191  0.6940924526460148  4.0834952910460833   T   T   T