Si 
 1.0000000000000000
    15.4618318423310566   -0.0000000000000000    0.0000000000000000
     0.0000000000000000   15.4618318423310566    0.0000000000000000
     0.0000000000000000    0.0000000000000000   15.4618318423310566
 Si 
  16
Selective dynamics
Cartesian
  2.1467586193520880  2.1467586193520889  2.1467586193520880   T   T   T
  5.5841573018134465 13.3150732229789810  9.8776745405176261   T   T   T
 13.3150732229789810  9.8776745405176261  5.5841573018134447   T   T   T
  9.8776745405176261  5.5841573018134483 13.3150732229789810   T   T   T
  9.8776745405176261  9.8776745405176261  9.8776745405176261   T   T   T
 13.3150732229789810  5.5841573018134483  2.1467586193520876   T   T   T
  5.5841573018134465  2.1467586193520884 13.3150732229789810   T   T   T
  2.1467586193520880 13.3150732229789810  5.5841573018134447   T   T   T
 13.3150732229789810 13.3150732229789810 13.3150732229789810   T   T   T
  9.8776745405176261  2.1467586193520880  5.5841573018134447   T   T   T
  2.1467586193520880  5.5841573018134483  9.8776745405176261   T   T   T
  5.5841573018134465  9.8776745405176261  2.1467586193520880   T   T   T
  5.5841573018134456  5.5841573018134465  5.5841573018134447   T   T   T
  2.1467586193520880  9.8776745405176261 13.3150732229789810   T   T   T
  9.8776745405176261 13.3150732229789810  2.1467586193520880   T   T   T
 13.3150732229789810  2.1467586193520889  9.8776745405176261   T   T   T