Si 
 1.0000000000000000
     2.8146378814199622    0.0000000000000000   -0.0000000000000000
    -1.4073189407099811    2.4375479077636997    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.6534226998041488
 Si 
   2
Selective dynamics
Cartesian
 -0.0000000140731896  1.6250319466342935  1.1633556749510374   T   T   T
  1.4073189266367918  0.8125159773797268  3.4900670248531118   T   T   T