C Si 
 1.0000000000000000
     3.0827644885363887    0.0000000000000000   -0.0000000000000000
    -1.5413822442681944    2.6697523609570535   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000   52.8583999586186977
 C   Si 
  21  21
Selective dynamics
Cartesian
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 -0.0000000000000000 -0.0000000000000000 39.6438102058040798   T   T   T
 -0.0000000000000000 -0.0000000000000000  9.4390102288716644   T   T   T
 -0.0000000000000000 -0.0000000000000000 47.1950101995992952   T   T   T
 -0.0000000000000000 -0.0000000000000000 16.9902102243745610   T   T   T
 -0.0000000000000000 -0.0000000000000000 32.0926102122457877   T   T   T
 -0.0000000000000000 -0.0000000000000000 24.5414102172886182   T   T   T
 -0.0000000000000021  1.7798349073047017 37.1267435412278459   T   T   T
 -0.0000000000000021  1.7798349073047017 49.7120768636716974   T   T   T
 -0.0000000000000021  1.7798349073047017 44.6779435354244328   T   T   T
 -0.0000000000000021  1.7798349073047017 27.0584768816849781   T   T   T
 -0.0000000000000021  1.7798349073047017 22.0243435536580989   T   T   T
 -0.0000000000000021  1.7798349073047017 11.9560768927587766   T   T   T
 -0.0000000000000021  1.7798349073047017  6.9219435655931880   T   T   T
  1.5413822442681939  0.8899174536523509  4.4048769013009039   T   T   T
  1.5413822442681939  0.8899174536523509 52.2291435285555679   T   T   T
  1.5413822442681939  0.8899174536523509 42.1608768706550450   T   T   T
  1.5413822442681939  0.8899174536523509 34.6096768769018865   T   T   T
  1.5413822442681939  0.8899174536523509 29.5755435470010397   T   T   T
  1.5413822442681939  0.8899174536523509 19.5072768896848991   T   T   T
  1.5413822442681939  0.8899174536523509 14.4731435582300545   T   T   T
 -0.0000000000000000 -0.0000000000000000  0.0000102367235098   T   T   T
 -0.0000000000000000 -0.0000000000000000 37.7560102072908919   T   T   T
 -0.0000000000000000 -0.0000000000000000 30.2048102135597105   T   T   T
 -0.0000000000000000 -0.0000000000000000 45.3072102013516087   T   T   T
 -0.0000000000000000 -0.0000000000000000  7.5512102309463529   T   T   T
 -0.0000000000000000 -0.0000000000000000 22.6536102191510977   T   T   T
 -0.0000000000000000 -0.0000000000000000 15.1024102252979908   T   T   T
 -0.0000000000000021  1.7798349073047017 35.2389435428374327   T   T   T
 -0.0000000000000021  1.7798349073047017 42.7901435369437095   T   T   T
 -0.0000000000000021  1.7798349073047017 25.1706768831346714   T   T   T
 -0.0000000000000021  1.7798349073047017  5.0341435674206911   T   T   T
 -0.0000000000000021  1.7798349073047017 47.8242768653470094   T   T   T
 -0.0000000000000021  1.7798349073047017 10.0682768943698751   T   T   T
 -0.0000000000000021  1.7798349073047017 20.1365435555405270   T   T   T
  1.5413822442681939  0.8899174536523509 17.6194768911005184   T   T   T
  1.5413822442681939  0.8899174536523509 12.5853435592336460   T   T   T
  1.5413822442681939  0.8899174536523509  2.5170769025523376   T   T   T
  1.5413822442681939  0.8899174536523509 27.6877435481842831   T   T   T
  1.5413822442681939  0.8899174536523509 32.7218768784640091   T   T   T
  1.5413822442681939  0.8899174536523509 40.2730768720477386   T   T   T
  1.5413822442681939  0.8899174536523509 50.3413435298086895   T   T   T