Si 
 1.0000000000000000
    11.7472446920905398    0.0000000000000000    0.0000000000000000
     0.0000000000000000   11.7472446920905433    0.0000000000000001
     0.0000000000000000    0.0000000000000000    6.4017336637978577
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000000000000  0.0000000000000000 -0.0000000000000000   T   T   T
  5.8736223460452708  5.8736223460452699  3.2008668318989275   T   T   T
  0.0000000000000000  5.8736223460452699  1.6004334159494640   T   T   T
  5.8736223460452708  0.0000000000000000  4.8013002478483955   T   T   T