C Si 
 1.0000000000000000
     3.0774012300771703    0.0000000000000000   -0.0000000000000000
    -1.5387006150385851    2.6651076428842959   -0.0000000000000000
     0.0000000000000000    0.0000000000000000   52.8354844148826857
 C   Si 
  21  21
Selective dynamics
Cartesian
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  0.0000000000000000  0.0000000000000000 39.6268053923044050   T   T   T
  0.0000000000000000  0.0000000000000000  9.4327218729973232   T   T   T
  0.0000000000000000  0.0000000000000000 47.1750250075341384   T   T   T
  0.0000000000000000  0.0000000000000000 16.9793674368368563   T   T   T
  0.0000000000000000  0.0000000000000000 32.0725744411320193   T   T   T
  0.0000000000000000  0.0000000000000000 24.5260119907272340   T   T   T
 -0.0000000000000033  1.7767384285895265 37.1081988093536665   T   T   T
 -0.0000000000000033  1.7767384285895265 49.6895894411183932   T   T   T
 -0.0000000000000033  1.7767384285895265 44.6675271220545866   T   T   T
 -0.0000000000000033  1.7767384285895265 27.0406682784636843   T   T   T
 -0.0000000000000033  1.7767384285895265 22.0185252321719069   T   T   T
 -0.0000000000000033  1.7767384285895265 11.9473817770605102   T   T   T
 -0.0000000000000033  1.7767384285895265  6.9252343385283854   T   T   T
  1.5387006150385887  0.8883692142947632  4.4007365482980676   T   T   T
  1.5387006150385887  0.8883692142947632 52.2140791944298144   T   T   T
  1.5387006150385887  0.8883692142947632 42.1454760179543229   T   T   T
  1.5387006150385887  0.8883692142947632 34.5871997667437014   T   T   T
  1.5387006150385887  0.8883692142947632 29.5651564403321707   T   T   T
  1.5387006150385887  0.8883692142947632 19.4940273036158729   T   T   T
  1.5387006150385887  0.8883692142947632 14.4718798449229347   T   T   T
  0.0000000000000000  0.0000000000000000  0.0047820588579178   T   T   T
  0.0000000000000000  0.0000000000000000 37.7395564616715617   T   T   T
  0.0000000000000000  0.0000000000000000 30.1912401139581803   T   T   T
  0.0000000000000000  0.0000000000000000 45.2937123322112427   T   T   T
  0.0000000000000000  0.0000000000000000  7.5514278015804592   T   T   T
  0.0000000000000000  0.0000000000000000 22.6447175776042435   T   T   T
  0.0000000000000000  0.0000000000000000 15.0980733756212508   T   T   T
 -0.0000000000000033  1.7767384285895265 35.2212400897853541   T   T   T
 -0.0000000000000033  1.7767384285895265 42.7794391322527048   T   T   T
 -0.0000000000000033  1.7767384285895265 25.1513991509397314   T   T   T
 -0.0000000000000033  1.7767384285895265  5.0374811689005314   T   T   T
 -0.0000000000000033  1.7767384285895265 47.8003038221836292   T   T   T
 -0.0000000000000033  1.7767384285895265 10.0581152469569055   T   T   T
 -0.0000000000000033  1.7767384285895265 20.1307719190753396   T   T   T
  1.5387006150385887  0.8883692142947632 17.6047607455885853   T   T   T
  1.5387006150385887  0.8883692142947632 12.5841267621418336   T   T   T
  1.5387006150385887  0.8883692142947632  2.5114696407466219   T   T   T
  1.5387006150385887  0.8883692142947632 27.6773999688426926   T   T   T
  1.5387006150385887  0.8883692142947632 32.6979265970430859   T   T   T
  1.5387006150385887  0.8883692142947632 40.2582013591534533   T   T   T
  1.5387006150385887  0.8883692142947632 50.3263223645519275   T   T   T