Si 
 1.0000000000000000
     3.6613819983846381    0.0000000000000000   -0.0000000000000000
    -1.8306909991923190    3.1708498235601308   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    5.9790117669891485
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000183069107  2.1138998929429200  3.3631941189607497   T   T   T
  1.8306909808854082  1.0569499517562098  0.3736882354661735   T   T   T
  1.8306909808854082  1.0569499517562100  2.6158176480284023   T   T   T
 -0.0000000183069109  2.1138998929429205  5.6053235315229761   T   T   T