O Si 
 1.0000000000000000
     4.9912928422149028    0.0000000000000000    0.0000000000000000
     0.0000000000000000    8.9021969339220135    0.0000000000000000
     0.0000000000000000    0.0000000000000000    8.3346269714155987
 O   Si 
  16   8
Selective dynamics
Cartesian
  2.6297382365190951 -0.0000000000000000  0.0000000000000000   T   T   T
  2.3615546056958063  0.0000000000000000  4.1673134857078002   T   T   T
  0.1340918154116458  4.4510984669610076  0.0000000000000000   T   T   T
  4.8572010268032519  4.4510984669610076  4.1673134857078002   T   T   T
 -0.0000000000000000  6.0521002268385340  2.0836567428539001   T   T   T
  0.0000000000000000  2.8500967070834795  6.2509702285616999   T   T   T
  2.4956464211074509  1.6010017598775304  2.0836567428539001   T   T   T
  2.4956464211074509  7.3011951740444871  6.2509702285616999   T   T   T
  3.0904215183727968  2.5081106307051733  4.4596663865290020   T   T   T
  1.9008713238421051  6.3940863032168407  0.2923529008211922   T   T   T
  1.9008713238421051  2.5081106307051733  8.0422740705944076   T   T   T
  3.0904215183727968  6.3940863032168407  3.8749605848866091   T   T   T
  0.5947750972653459  6.9592090976661796  4.4596663865290020   T   T   T
  4.3965177449495574  1.9429878362558344  0.2923529008211922   T   T   T
  4.3965177449495574  6.9592090976661796  8.0422740705944076   T   T   T
  0.5947750972653459  1.9429878362558344  3.8749605848866091   T   T   T
  2.1244787175990627  1.5050987274245791  3.6463210797357171   T   T   T
  2.8668141246158374  7.3970982064974358  7.8136345654435164   T   T   T
  2.8668141246158374  1.5050987274245791  0.5209924059720823   T   T   T
  2.1244787175990618  7.3970982064974358  4.6883058916798790   T   T   T
  4.6201251387065119  5.9561971943855907  3.6463210797357171   T   T   T
  0.3711677035083867  2.9459997395364268  7.8136345654435164   T   T   T
  0.3711677035083870  5.9561971943855907  0.5209924059720823   T   T   T
  4.6201251387065110  2.9459997395364268  4.6883058916798790   T   T   T