Si 
 1.0000000000000000
     2.7173536541373102    0.0000000000000001    0.0000000000000000
    -1.3586768270686551    2.3532972955493832    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.8107584987204097
 Si 
   2
Selective dynamics
Cartesian
 -0.0000000135867689  1.5688648715439126  1.7026896246801033   T   T   T
  1.3586768134818872  0.7844324396941189  5.1080688740403115   T   T   T