Si 
 1.0000000000000000
     3.7787705701924352    0.0000000000000000    0.0000000000000000
    -1.8893852850962176    3.2725113088596562    0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    6.3631669598570761
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000188938531  2.1816742168148098  3.6021810790293851   T   T   T
  1.8893852662023649  1.0908371138615902  0.4205975991008469   T   T   T
  1.8893852662023649  1.0908371138615904  2.7609858808276910   T   T   T
 -0.0000000188938533  2.1816742168148102  5.9425693607562291   T   T   T