O Si 
 1.0000000000000000
     7.3379989615043844    0.0000000000000000    0.0000000000000000
    -3.6689994807521922    6.3548935136088387    0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    7.0096382008888263
 O   Si 
  12   6
Selective dynamics
Cartesian
  2.3795496795744815  0.0000000000000000 -0.0000000000000000   T   T   T
 -1.1897748397877448  2.0607504720788712  4.6730921339257270   T   T   T
  2.4792246409638898  4.2941430415295549  2.3365460669628635   T   T   T
  4.9584492819297985  0.0000000000000000  3.5048191004441560   T   T   T
 -2.4792246409659078  4.2941430415295549  1.1682730334814317   T   T   T
  1.1897748397867363  2.0607504720788712  5.8413651674071296   T   T   T
  3.6689994807523605  1.4423029396412608  5.2572286506662840   T   T   T
  4.2544282354469836  2.4562952869837127  2.9206825837035639   T   T   T
  3.0835707260579892  2.4562952869837127  0.5841365167407153   T   T   T
 -0.0000000000007800  4.9125905739674254  1.7524095502220780   T   T   T
 -0.5854287546947374  3.8985982266250492  6.4255016841475774   T   T   T
  0.5854287546937292  3.8985982266250496  4.0889556171843768   T   T   T
 -0.0000000000004699  2.9616074715973721  5.2572286506662840   T   T   T
  1.1041721743109361  4.8740897778100871  2.9206825837035639   T   T   T
 -1.1041721743129540  4.8740897778100871  0.5841365167407153   T   T   T
  3.6689994807513506  3.3932860420113005  1.7524095502220780   T   T   T
  2.5648273064404834  1.4808037357986861  6.4255016841475774   T   T   T
  4.7731716550639645  1.4808037357986861  4.0889556171843768   T   T   T