Si 
 1.0000000000000000
    12.7017059221573234    0.0000000000000000    0.0000000000000000
     0.0000000000000000   12.7017059221573234   -0.0000000000000001
     0.0000000000000000   -0.0000000000000001   12.7017059221573234
 Si 
   8
Selective dynamics
Cartesian
 -0.0000000000000000 -0.0000000000000000 -0.0000000000000000   T   T   T
 -0.0000000000000000  6.3508529610786573  6.3508529610786573   T   T   T
  6.3508529610786573  6.3508529610786573 -0.0000000000000000   T   T   T
  6.3508529610786573 -0.0000000000000000  6.3508529610786573   T   T   T
  9.5262794416179872  3.1754264805393286  9.5262794416179872   T   T   T
  3.1754264805393282  3.1754264805393286  3.1754264805393282   T   T   T
  3.1754264805393282  9.5262794416179872  9.5262794416179872   T   T   T
  9.5262794416179872  9.5262794416179872  3.1754264805393282   T   T   T