Si 
 1.0000000000000000
     2.8260900887066631   -0.0000000000000000   -0.0000000000000000
    -1.4130450443533316    2.4474658102033886   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    3.9990414058080481
 Si 
   2
Selective dynamics
Cartesian
 -0.0000000141304512  1.6316438816271450  0.9997603514520118   T   T   T
  1.4130450302228819  0.8158219448926824  2.9992810543560364   T   T   T