Si 
 1.0000000000000000
     6.5910953353432049   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    6.5910953353432067    0.0000000000000000
     0.0000000000000000    0.0000000000000000    3.9098003720659964
 Si 
   8
Selective dynamics
Cartesian
  5.3922539797374798  5.3922539797374824  0.0000000000000000   T   T   T
  1.1988413556057222  1.1988413556057231  0.0000000000000000   T   T   T
  1.1988413556057222  5.3922539797374816  0.0000000000000000   T   T   T
  5.3922539797374798  1.1988413556057231  0.0000000000000000   T   T   T
  2.0967063120658782  2.0967063120658795  1.9549001860329984   T   T   T
  4.4943890232773240  4.4943890232773258  1.9549001860329984   T   T   T
  4.4943890232773240  2.0967063120658787  1.9549001860329984   T   T   T
  2.0967063120658782  4.4943890232773258  1.9549001860329984   T   T   T