Si 
 1.0000000000000000
     2.7855379799653970   -0.0000000000000000   -0.0000000000000000
    -1.3927689899826985    2.4123466538564227   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    4.5487581613385650
 Si 
   2
Selective dynamics
Cartesian
 -0.0000000139276901  1.6082311106121039  1.1371895403346413   T   T   T
  1.3927689760550086  0.8041155593266299  3.4115686210039242   T   T   T