Si 
 1.0000000000000000
     5.3866781151054601    0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    5.3866781151054601    0.0000000000000000
     0.0000000000000000    0.0000000000000000    5.3866781151054601
 Si 
   8
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000000  2.6933390575527296  2.6933390575527296   T   T   T
  2.6933390575527296  2.6933390575527296  0.0000000000000000   T   T   T
  2.6933390575527296  0.0000000000000000  2.6933390575527296   T   T   T
  4.0400085863290931  1.3466695287763648  4.0400085863290931   T   T   T
  1.3466695287763646  1.3466695287763648  1.3466695287763646   T   T   T
  1.3466695287763646  4.0400085863290931  4.0400085863290931   T   T   T
  4.0400085863290931  4.0400085863290931  1.3466695287763646   T   T   T