C Si 
 1.0000000000000000
     3.0829872180503508    0.0000000000000000    0.0000000000000000
    -1.5414936090251754    2.6699452503743237    0.0000000000000000
     0.0000000000000000    0.0000000000000000   20.1379881787181141
 C   Si 
   8   8
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000  1.8904536351720411   T   T   T
 -0.0000000000000000  0.0000000000000000 11.9594477245310919   T   T   T
 -0.0000000000000013  1.7799635002495475  6.9249506782925634   T   T   T
  1.5414936090251754  0.8899817501247738 16.9939447676516018   T   T   T
 -0.0000000000000013  1.7799635002495475 14.4766962453760915   T   T   T
  1.5414936090251754  0.8899817501247738  4.4077021560170273   T   T   T
 -0.0000000000000013  1.7799635002495475 19.5111932914892776   T   T   T
  1.5414936090251754  0.8899817501247738  9.4421992021302295   T   T   T
 -0.0000000000000000  0.0000000000000000  0.0025172435695592   T   T   T
  0.0000000000000000  0.0000000000000000 10.0715113329286208   T   T   T
 -0.0000000000000013  1.7799635002495475 12.5887598538494920   T   T   T
  1.5414936090251754  0.8899817501247738  2.5197657644904439   T   T   T
 -0.0000000000000013  1.7799635002495475  5.0370142861578175   T   T   T
  1.5414936090251754  0.8899817501247738 15.1060083755168755   T   T   T
 -0.0000000000000013  1.7799635002495475 17.6232568991572442   T   T   T
  1.5414936090251754  0.8899817501247738  7.5542628097981961   T   T   T