C Si 
 1.0000000000000000
     3.0827644885440901    0.0000000000000000   -0.0000000000000000
    -1.5413822442720451    2.6697523609637233   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000   20.1365333170021721
 C   Si 
   8   8
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000  1.8903170592482545   T   T   T
 -0.0000000000000000 -0.0000000000000000 11.9585837177493453   T   T   T
 -0.0000000000000008  1.7798349073091493  6.9244503884378918   T   T   T
  1.5413822442720460  0.8899174536545746 16.9927170469389708   T   T   T
 -0.0000000000000008  1.7798349073091493 14.4756503823152318   T   T   T
  1.5413822442720460  0.8899174536545746  4.4073837238141431   T   T   T
 -0.0000000000000008  1.7798349073091493 19.5097837115934603   T   T   T
  1.5413822442720460  0.8899174536545746  9.4415170530923724   T   T   T
 -0.0000000000000000 -0.0000000000000000  0.0025170607038057   T   T   T
 -0.0000000000000000 -0.0000000000000000 10.0707837192048935   T   T   T
 -0.0000000000000008  1.7798349073091493 12.5878503838355371   T   T   T
  1.5413822442720460  0.8899174536545746  2.5195837253344493   T   T   T
 -0.0000000000000008  1.7798349073091493  5.0366503899386581   T   T   T
  1.5413822442720460  0.8899174536545746 15.1049170484397468   T   T   T
 -0.0000000000000008  1.7798349073091493 17.6219837129842105   T   T   T
  1.5413822442720460  0.8899174536545746  7.5537170544831209   T   T   T