Si 
 1.0000000000000000
    15.4692286360509357    0.0000000000000000    0.0000000000000000
     0.0000000000000000   15.4692286360509357    0.0000000000000000
     0.0000000000000000    0.0000000000000000   15.4692286360509357
 Si 
  16
Selective dynamics
Cartesian
  1.7281448618741340  1.7281448618741340  1.7281448618741331   T   T   T
  6.0064694561513354 13.7410837741768024  9.4627591798996065   T   T   T
 13.7410837741768006  9.4627591798996082  6.0064694561513328   T   T   T
  9.4627591798996065  6.0064694561513328 13.7410837741768042   T   T   T
  9.4627591798996065  9.4627591798996082  9.4627591798996065   T   T   T
 13.7410837741768006  6.0064694561513328  1.7281448618741320   T   T   T
  6.0064694561513354  1.7281448618741340 13.7410837741768042   T   T   T
  1.7281448618741340 13.7410837741768024  6.0064694561513328   T   T   T
 13.7410837741768006 13.7410837741768024 13.7410837741768042   T   T   T
  9.4627591798996065  1.7281448618741340  6.0064694561513328   T   T   T
  1.7281448618741340  6.0064694561513328  9.4627591798996065   T   T   T
  6.0064694561513354  9.4627591798996082  1.7281448618741320   T   T   T
  6.0064694561513354  6.0064694561513328  6.0064694561513328   T   T   T
  1.7281448618741340  9.4627591798996082 13.7410837741768042   T   T   T
  9.4627591798996065 13.7410837741768024  1.7281448618741320   T   T   T
 13.7410837741768006  1.7281448618741340  9.4627591798996065   T   T   T