Si 
 1.0000000000000000
     2.8168163867631946    0.0000000000000000   -0.0000000000000000
    -1.4084081933815973    2.4394345487332201   -0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.5884491859102869
 Si 
   2
Selective dynamics
Cartesian
 -0.0000000140840823  1.6262897072869285  1.1471122964775717   T   T   T
  1.4084081792975158  0.8131448577091888  3.4413368894327161   T   T   T