Si 
 1.0000000000000000
     5.2248775538853458   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    5.2248775538853458    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    5.2248775538853458
 Si 
   8
Selective dynamics
Cartesian
 -0.0000000000000000 -0.0000000000000000 -0.0000000000000000   T   T   T
  0.0000000000000000  2.6124387769426725  2.6124387769426725   T   T   T
  2.6124387769426725  2.6124387769426725  0.0000000000000000   T   T   T
  2.6124387769426725  0.0000000000000000  2.6124387769426725   T   T   T
  3.9186581654140089  1.3062193884713362  3.9186581654140089   T   T   T
  1.3062193884713360  1.3062193884713362  1.3062193884713360   T   T   T
  1.3062193884713360  3.9186581654140089  3.9186581654140089   T   T   T
  3.9186581654140089  3.9186581654140089  1.3062193884713360   T   T   T