Ca  O Si 
 1.0000000000000000
     5.4001662025742663    0.0000000000000000   -0.0000000000000000
    -2.7000831012871331    4.6766811160874617   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    6.5958376338523514
 Ca  O   Si 
   4   8   2
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000000 -0.0000000000000000  3.2979188169261757   T   T   T
 -0.0000000000000009  3.1177874107249735  4.3009972916056842   T   T   T
  2.7000831012871327  1.5588937053624869  2.2948403422466677   T   T   T
 -0.0000000000000009  3.1177874107249735  6.3803524281262032   T   T   T
  2.7000831012871327  1.5588937053624869  0.2154852057261485   T   T   T
 -1.2711967944225950  3.8517132221778470  2.0234404465124194   T   T   T
 -0.0000000000000005  1.6499357878192258  2.0234404465124194   T   T   T
  1.2711967944225926  3.8517132221778470  2.0234404465124194   T   T   T
  3.9712798957097291  0.8249678939096130  4.5723971873399316   T   T   T
  1.4288863068645397  0.8249678939096129  4.5723971873399316   T   T   T
  2.7000831012871314  3.0267453282682326  4.5723971873399316   T   T   T
 -0.0000000000000009  3.1177874107249735  1.3748657663670043   T   T   T
  2.7000831012871327  1.5588937053624869  5.2209718674853454   T   T   T