Si 
 1.0000000000000000
     6.5785019598905112   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    6.5785019598905103    0.0000000000000000
     0.0000000000000000    0.0000000000000000    3.9078016551410060
 Si 
   8
Selective dynamics
Cartesian
  5.3896613816513064  5.3896613816513064  0.0000000000000000   T   T   T
  1.1888405782392060  1.1888405782392062  0.0000000000000000   T   T   T
  1.1888405782392060  5.3896613816513055  0.0000000000000000   T   T   T
  5.3896613816513064  1.1888405782392062  0.0000000000000000   T   T   T
  2.1004104017060490  2.1004104017060494  1.9539008275705028   T   T   T
  4.4780915581844614  4.4780915581844623  1.9539008275705028   T   T   T
  4.4780915581844614  2.1004104017060485  1.9539008275705028   T   T   T
  2.1004104017060490  4.4780915581844623  1.9539008275705028   T   T   T