O Si 
 1.0000000000000000
     7.4530882610451101   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    7.4530882610451101   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    7.4530882610451101
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.9316360326306389  0.9316360326306390  0.9316360326306389   T   T   T
  6.5214522284144723  2.7949080978919172  4.6581801631531947   T   T   T
  2.7949080978919167  4.6581801631531956  6.5214522284144723   T   T   T
  4.6581801631531947  6.5214522284144731  2.7949080978919167   T   T   T
  2.7949080978919167  6.5214522284144731  4.6581801631531947   T   T   T
  6.5214522284144723  4.6581801631531956  2.7949080978919167   T   T   T
  4.6581801631531947  2.7949080978919172  6.5214522284144723   T   T   T
  0.9316360326306389  4.6581801631531956  4.6581801631531947   T   T   T
  6.5214522284144723  6.5214522284144731  0.9316360326306389   T   T   T
  2.7949080978919167  0.9316360326306390  2.7949080978919167   T   T   T
  2.7949080978919167  2.7949080978919172  0.9316360326306389   T   T   T
  6.5214522284144723  0.9316360326306390  6.5214522284144723   T   T   T
  4.6581801631531947  0.9316360326306390  4.6581801631531947   T   T   T
  0.9316360326306389  6.5214522284144731  6.5214522284144723   T   T   T
  0.9316360326306389  2.7949080978919172  2.7949080978919167   T   T   T
  4.6581801631531947  4.6581801631531956  0.9316360326306389   T   T   T
 -0.0000000000000004 -0.0000000000000000 -0.0000000000000004   T   T   T
 -0.0000000000000004  3.7265441305225560  3.7265441305225555   T   T   T
  3.7265441305225555  3.7265441305225560 -0.0000000000000004   T   T   T
  3.7265441305225555 -0.0000000000000000  3.7265441305225555   T   T   T
  5.5898161957838335  1.8632720652612780  5.5898161957838335   T   T   T
  1.8632720652612778  1.8632720652612780  1.8632720652612778   T   T   T
  1.8632720652612778  5.5898161957838344  5.5898161957838335   T   T   T
  5.5898161957838335  5.5898161957838344  1.8632720652612778   T   T   T