Si 
 1.0000000000000000
     4.5928392294837010   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    4.5928392294837019    0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.5485902211036144
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.2964196147418505  2.2964196147418514  1.2742951105518077   T   T   T
 -0.0000000000000000  2.2964196147418514  0.6371475552759038   T   T   T
  2.2964196147418505  0.0000000000000000  1.9114426658277108   T   T   T