Si 
 1.0000000000000000
     4.8729374941724490   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.8729374941724508    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    2.5473504408952796
 Si 
   4
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000  0.0000000000000000   T   T   T
  2.4364687470862245  2.4364687470862254  1.2736752204476400   T   T   T
 -0.0000000000000000  2.4364687470862254  0.6368376102238200   T   T   T
  2.4364687470862245  0.0000000000000000  1.9105128306714607   T   T   T