Si 
 1.0000000000000000
     6.8964087575379347    0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.8964087575379347   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    6.8964087575379347
 Si 
  12
Selective dynamics
Cartesian
  1.7241021893844839 -0.0000000000000000  3.4482043787689678   T   T   T
  5.1723065681534521 -0.0000000000000000  3.4482043787689678   T   T   T
  3.4482043787689678  1.7241021893844839 -0.0000000000000000   T   T   T
  3.4482043787689678  5.1723065681534521 -0.0000000000000000   T   T   T
  0.0000000000000000  3.4482043787689678  1.7241021893844841   T   T   T
  0.0000000000000000  3.4482043787689678  5.1723065681534521   T   T   T
 -0.0000000000000000  1.7241021893844839  3.4482043787689678   T   T   T
  0.0000000000000000  5.1723065681534521  3.4482043787689678   T   T   T
  1.7241021893844839  3.4482043787689678 -0.0000000000000000   T   T   T
  5.1723065681534521  3.4482043787689678 -0.0000000000000000   T   T   T
  3.4482043787689678 -0.0000000000000000  5.1723065681534521   T   T   T
  3.4482043787689678 -0.0000000000000000  1.7241021893844841   T   T   T