Si 
 1.0000000000000000
    11.3053766263520359    0.0000000000000001   -0.0000000000000000
    -5.6526883131760179    9.7907433577716780   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000   21.5225639028069011
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000565268988  6.5271622711502664 12.4669229271053705   T   T   T
  5.6526882566491397  3.2635811518930375  1.7056409757019200   T   T   T
  5.6526882566491397  3.2635811518930384  9.0556409757015359   T   T   T
 -0.0000000565268994  6.5271622711502664 19.8169229271050220   T   T   T