Si 
 1.0000000000000000
     6.4827782501335776   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    6.4827782501335776    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.4827782501335776
 Si 
  12
Selective dynamics
Cartesian
  1.6206945625333948  0.0000000000000000  3.2413891250667897   T   T   T
  4.8620836876001841  0.0000000000000000  3.2413891250667897   T   T   T
  3.2413891250667897  1.6206945625333948  0.0000000000000000   T   T   T
  3.2413891250667897  4.8620836876001841  0.0000000000000000   T   T   T
 -0.0000000000000000  3.2413891250667897  1.6206945625333951   T   T   T
 -0.0000000000000000  3.2413891250667897  4.8620836876001841   T   T   T
 -0.0000000000000000  1.6206945625333948  3.2413891250667897   T   T   T
 -0.0000000000000000  4.8620836876001841  3.2413891250667897   T   T   T
  1.6206945625333948  3.2413891250667897  0.0000000000000000   T   T   T
  4.8620836876001841  3.2413891250667897  0.0000000000000000   T   T   T
  3.2413891250667897  0.0000000000000000  4.8620836876001841   T   T   T
  3.2413891250667897  0.0000000000000000  1.6206945625333951   T   T   T