Si 
 1.0000000000000000
     3.8587628945170027   -0.0000000000000000   -0.0000000000000000
    -1.9293814472585014    3.3417866938324963   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    6.3013334207730196
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000192938152  2.2278578070276209  3.5445000492731782   T   T   T
  1.9293814279646873  1.1139289090834545  0.3938333388866675   T   T   T
  1.9293814279646873  1.1139289090834548  2.7568333714998441   T   T   T
 -0.0000000192938154  2.2278578070276214  5.9075000818863508   T   T   T