Si 
 1.0000000000000000
     6.5592952461875571   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    6.5592952461875589    0.0000000000000000
     0.0000000000000000    0.0000000000000000    3.9226196882376003
 Si 
   8
Selective dynamics
Cartesian
  5.3775529100650603  5.3775529100650612  0.0000000000000000   T   T   T
  1.1817423361224975  1.1817423361224975  0.0000000000000000   T   T   T
  1.1817423361224975  5.3775529100650603  0.0000000000000000   T   T   T
  5.3775529100650603  1.1817423361224975  0.0000000000000000   T   T   T
  2.0979052869712818  2.0979052869712818  1.9613098441188015   T   T   T
  4.4613899592162749  4.4613899592162758  1.9613098441188015   T   T   T
  4.4613899592162749  2.0979052869712809  1.9613098441188015   T   T   T
  2.0979052869712818  4.4613899592162758  1.9613098441188015   T   T   T