Fe Si 
 1.0000000000000000
     2.5310697822679069    0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    2.5310697822679074   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    4.9569669757563943
 Fe  Si 
   1   2
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  1.2655348911339532  1.2655348911339537  1.3402524676505063   T   T   T
  1.2655348911339532  1.2655348911339537  3.6167145081058885   T   T   T