Si 
 1.0000000000000000
     2.8302355850985546   -0.0000000000000000   -0.0000000000000000
    -1.4151177925492773    2.4510559153900626   -0.0000000000000000
    -0.0000000000000000    0.0000000000000000    2.7946262718526653
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T