Si 
 1.0000000000000000
     6.7532095522697970   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.7532095522697970    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.7532095522697970
 Si 
  16
Selective dynamics
Cartesian
  0.6918007353853596  0.6918007353853596  0.6918007353853597   T   T   T
  2.6848040407495386  6.0614088168844384  4.0684055115202584   T   T   T
  6.0614088168844384  4.0684055115202584  2.6848040407495386   T   T   T
  4.0684055115202584  2.6848040407495386  6.0614088168844384   T   T   T
  4.0684055115202584  4.0684055115202584  4.0684055115202584   T   T   T
  6.0614088168844384  2.6848040407495386  0.6918007353853595   T   T   T
  2.6848040407495386  0.6918007353853596  6.0614088168844384   T   T   T
  0.6918007353853596  6.0614088168844384  2.6848040407495386   T   T   T
  6.0614088168844384  6.0614088168844384  6.0614088168844384   T   T   T
  4.0684055115202584  0.6918007353853595  2.6848040407495386   T   T   T
  0.6918007353853596  2.6848040407495386  4.0684055115202584   T   T   T
  2.6848040407495386  4.0684055115202584  0.6918007353853595   T   T   T
  2.6848040407495386  2.6848040407495386  2.6848040407495386   T   T   T
  0.6918007353853596  4.0684055115202584  6.0614088168844384   T   T   T
  4.0684055115202584  6.0614088168844384  0.6918007353853595   T   T   T
  6.0614088168844384  0.6918007353853596  4.0684055115202584   T   T   T