C Si 
 1.0000000000000000
     3.0826991811900850   -0.0000000000000000   -0.0000000000000000
    -1.5413495905950425    2.6696958031361024   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000   25.1701334147046012
 C   Si 
  10  10
Selective dynamics
Cartesian
 -0.0000000000000000 -0.0000000000000000  6.9217866990839632   T   T   T
 -0.0000000000000000 -0.0000000000000000 11.9558133836011518   T   T   T
 -0.0000000000000000 -0.0000000000000000 16.9898400662934144   T   T   T
 -0.0000000000000000 -0.0000000000000000 22.0238667468830265   T   T   T
 -0.0000000000000020  1.7797972020907344  4.4047733564537204   T   T   T
 -0.0000000000000020  1.7797972020907344 14.4728267251353913   T   T   T
 -0.0000000000000020  1.7797972020907344 24.5408800876514519   T   T   T
  1.5413495905950427  0.8898986010453672 19.5068534067163348   T   T   T
  1.5413495905950427  0.8898986010453672  9.4388000416577142   T   T   T
  1.5413495905950427  0.8898986010453672  1.8877600144056472   T   T   T
 -0.0000000000000000 -0.0000000000000000 20.1361067412776826   T   T   T
 -0.0000000000000000 -0.0000000000000000 15.1020800604743908   T   T   T
 -0.0000000000000000 -0.0000000000000000 10.0680533774176730   T   T   T
 -0.0000000000000000 -0.0000000000000000  5.0340266923848755   T   T   T
 -0.0000000000000020  1.7797972020907344 22.6531200816836531   T   T   T
 -0.0000000000000020  1.7797972020907344 12.5850667190232137   T   T   T
 -0.0000000000000020  1.7797972020907344  2.5170133499446683   T   T   T
  1.5413495905950427  0.8898986010453672  7.5510400352075830   T   T   T
  1.5413495905950427  0.8898986010453672 25.1701334229033371   T   T   T
  1.5413495905950427  0.8898986010453672 17.6190934012487048   T   T   T