C Si 
 1.0000000000000000
     3.0846778117869427    0.0000000000000000    0.0000000000000000
    -1.5423389058934713    2.6714093474976868    0.0000000000000000
     0.0000000000000000    0.0000000000000000   15.1117733203318050
 C   Si 
   6   6
Selective dynamics
Cartesian
 -0.0000000000000000  0.0000000000000000  1.8906339643282357   T   T   T
  0.0000000000000000 -0.0000000000000000  9.4465206244941431   T   T   T
 -0.0000000000000011  1.7809395649984572 11.9651495106089030   T   T   T
  1.5423389058934707  0.8904697824992286  4.4092628504430023   T   T   T
 -0.0000000000000011  1.7809395649984572  6.9278917379124110   T   T   T
  1.5423389058934707  0.8904697824992286 14.4837783980783090   T   T   T
  0.0000000000000000  0.0000000000000000  0.0016622996481755   T   T   T
  0.0000000000000000  0.0000000000000000  7.5575489598140768   T   T   T
 -0.0000000000000011  1.7809395649984572 10.0761778458126283   T   T   T
  1.5423389058934707  0.8904697824992286  2.5202911856467387   T   T   T
 -0.0000000000000011  1.7809395649984572  5.0389200724409084   T   T   T
  1.5423389058934707  0.8904697824992286 12.5948067326068145   T   T   T