O Si 
 1.0000000000000000
     5.9065973209062292    0.0000000000000001   -0.0000000000000000
    -2.9532986604531146    5.1152633298298884   -0.0000000000000000
    -0.0000000000000000    0.0000000000000000    5.6066797340839223
 O   Si 
   8   4
Selective dynamics
Cartesian
 -0.0000000295329937  3.4101755702708068  1.4016699335209795   T   T   T
  2.9532986309201279  1.7050877936608426  4.2050098005629399   T   T   T
  2.9532986309201275  0.0000000170508779 -0.0000000000000000   T   T   T
 -1.4766493597595480  2.5576316819658245 -0.0000000000000000   T   T   T
  1.4766493006935646  2.5576316819658245 -0.0000000000000000   T   T   T
  2.9532986309201275  0.0000000170508779  2.8033398670419589   T   T   T
 -1.4766493597595480  2.5576316819658245  2.8033398670419589   T   T   T
  1.4766493006935646  2.5576316819658245  2.8033398670419589   T   T   T
 -0.0000000295329937  3.4101755702708068  3.1384948849437388   T   T   T
  2.9532986309201279  1.7050877936608422  5.9418347519857067   T   T   T
  2.9532986309201279  1.7050877936608426  2.4681848491401794   T   T   T
 -0.0000000295329940  3.4101755702708072 -0.3351550179017834   T   T   T