Si
 1.0000000000000000
     0.0000000000000000    2.7505435178744002    2.4143439066327299
     4.4809943147753897    0.0000000000000000    2.4143439066327299
     4.4809943147753897    2.7505435178744002    0.0000000000000000
 Si 
   4
Cartesian
  2.5627594235521896  2.7505435178744002  2.4143439066327295
  6.3992292059985898  2.7505435178744002  2.4143439066327304
  4.4809943147753897  1.2398380238018269  2.4143439066327304
  4.4809943147753897  4.2612490119469735  2.4143439066327299