Si 
 1.0000000000000000
     3.8363741920886971    0.0000000000000000   -0.0000000000000000
    -1.9181870960443486    3.3223975087718132   -0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.2647728241754868
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000191818716  2.2149316835892003  3.5239347140133894   T   T   T
  1.9181870768624780  1.1074658473319294  0.3915483019256455   T   T   T
  1.9181870768624780  1.1074658473319297  2.7408381101620978   T   T   T
 -0.0000000191818719  2.2149316835892008  5.8732245222498412   T   T   T