Si 
 1.0000000000000000
     6.7238362498457924   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.7238362498457924    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.7238362498457924
 Si 
  16
Selective dynamics
Cartesian
  0.6531579670404520  0.6531579670404520  0.6531579670404520   T   T   T
  2.7087601578824438  6.0706782828053409  4.0150760919633468   T   T   T
  6.0706782828053409  4.0150760919633468  2.7087601578824443   T   T   T
  4.0150760919633468  2.7087601578824438  6.0706782828053409   T   T   T
  4.0150760919633468  4.0150760919633468  4.0150760919633468   T   T   T
  6.0706782828053409  2.7087601578824438  0.6531579670404519   T   T   T
  2.7087601578824438  0.6531579670404520  6.0706782828053409   T   T   T
  0.6531579670404520  6.0706782828053409  2.7087601578824443   T   T   T
  6.0706782828053409  6.0706782828053409  6.0706782828053409   T   T   T
  4.0150760919633468  0.6531579670404519  2.7087601578824443   T   T   T
  0.6531579670404520  2.7087601578824438  4.0150760919633468   T   T   T
  2.7087601578824438  4.0150760919633468  0.6531579670404519   T   T   T
  2.7087601578824438  2.7087601578824438  2.7087601578824443   T   T   T
  0.6531579670404520  4.0150760919633468  6.0706782828053409   T   T   T
  4.0150760919633468  6.0706782828053409  0.6531579670404519   T   T   T
  6.0706782828053409  0.6531579670404520  4.0150760919633468   T   T   T