Si 
 1.0000000000000000
     2.8550951506780713   -0.0000000000000000    0.0000000000000000
    -1.4275475753390356    2.4725849307089689    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.6623473101823167
 Si 
   2
Selective dynamics
Cartesian
 -0.0000000142754758  1.6483899620479294  1.1655868275455790   T   T   T
  1.4275475610635604  0.8241949851449401  3.4967604826367364   T   T   T