Si 
 1.0000000000000000
     2.8168163827872683    0.0000000000000000    0.0000000000000000
    -1.4084081913936342    2.4394345452899655   -0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.5884491951607336
 Si 
   2
Selective dynamics
Cartesian
 -0.0000000140840821  1.6262897049914260  1.1471122987901834   T   T   T
  1.4084081773095525  0.8131448565614373  3.4413368963705495   T   T   T