Si 
 1.0000000000000000
     6.0993192769899309    0.0000000000000000   -0.0000000000000000
     0.0000000000000000    6.0993192769899309   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    6.0993192769899309
 Si 
  12
Selective dynamics
Cartesian
  1.5248298192474830 -0.0000000000000000  3.0496596384949659   T   T   T
  4.5744894577424491 -0.0000000000000000  3.0496596384949659   T   T   T
  3.0496596384949659  1.5248298192474830 -0.0000000000000000   T   T   T
  3.0496596384949659  4.5744894577424491 -0.0000000000000000   T   T   T
  0.0000000000000000  3.0496596384949659  1.5248298192474832   T   T   T
  0.0000000000000000  3.0496596384949659  4.5744894577424491   T   T   T
  0.0000000000000000  1.5248298192474830  3.0496596384949659   T   T   T
  0.0000000000000000  4.5744894577424491  3.0496596384949659   T   T   T
  1.5248298192474830  3.0496596384949659 -0.0000000000000000   T   T   T
  4.5744894577424491  3.0496596384949659 -0.0000000000000000   T   T   T
  3.0496596384949659 -0.0000000000000000  4.5744894577424491   T   T   T
  3.0496596384949659 -0.0000000000000000  1.5248298192474832   T   T   T