C Si 
 1.0000000000000000
     3.0830003378143132    0.0000000000000000   -0.0000000000000000
    -1.5415001689071566    2.6699566124232015   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000   20.1380738766548752
 C   Si 
   8   8
Selective dynamics
Cartesian
 -0.0000000000000000  0.0000000000000000  1.8904616800652181   T   T   T
 -0.0000000000000000 -0.0000000000000000 11.9594986183926562   T   T   T
 -0.0000000000000011  1.7799710749488002  6.9249801476714161   T   T   T
  1.5415001689071575  0.8899855374744001 16.9940170859988342   T   T   T
 -0.0000000000000011  1.7799710749488002 14.4767578514813398   T   T   T
  1.5415001689071575  0.8899855374744001  4.4077209131539128   T   T   T
 -0.0000000000000011  1.7799710749488002 19.5112763220770553   T   T   T
  1.5415001689071575  0.8899855374744001  9.4422393837496408   T   T   T
  0.0000000000000000 -0.0000000000000000  0.0025172542807810   T   T   T
 -0.0000000000000000 -0.0000000000000000 10.0715541926082182   T   T   T
 -0.0000000000000011  1.7799710749488002 12.5888134257724928   T   T   T
  1.5415001689071575  0.8899855374744001  2.5197764874450685   T   T   T
 -0.0000000000000011  1.7799710749488002  5.0370357213551786   T   T   T
  1.5415001689071575  0.8899855374744001 15.1060726596826207   T   T   T
 -0.0000000000000011  1.7799710749488002 17.6233318955634992   T   T   T
  1.5415001689071575  0.8899855374744001  7.5542949572360731   T   T   T