Si 
 1.0000000000000000
     5.4638484034236239   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    5.4638484034236239   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    5.4638484034236239
 Si 
   8
Selective dynamics
Cartesian
 -0.0000000000000000 -0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  2.7319242017118115  2.7319242017118115   T   T   T
  2.7319242017118115  2.7319242017118115 -0.0000000000000000   T   T   T
  2.7319242017118115 -0.0000000000000000  2.7319242017118115   T   T   T
  4.0978863025677166  1.3659621008559057  4.0978863025677166   T   T   T
  1.3659621008559055  1.3659621008559057  1.3659621008559055   T   T   T
  1.3659621008559055  4.0978863025677166  4.0978863025677166   T   T   T
  4.0978863025677166  4.0978863025677166  1.3659621008559055   T   T   T