O Si 
 1.0000000000000000
     4.1103509485230401    0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.9613348701292521    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.4497139128274545
 O   Si 
   8   4
Selective dynamics
Cartesian
  1.1260778225911032  3.0880260189124655  0.3704914706756663   T   T   T
  0.9290976516704380  4.3539762862813820  2.5953484270893998   T   T   T
  2.9842731259319586  3.0880260189124655  1.8543654857380569   T   T   T
  3.1812532968526450  4.3539762862813820  4.0792224421518508   T   T   T
  2.9842731259319586  1.8733088512167695  4.0792224421518508   T   T   T
  3.1812532968526450  0.6073585838478445  1.8543654857380569   T   T   T
  1.1260778225911032  1.8733088512167695  2.5953484270893998   T   T   T
  0.9290976516704380  0.6073585838478445  0.3704914706756663   T   T   T
  0.0000000000000000  4.1975627625333960  1.1124284782068619   T   T   T
  2.0551754742615169  3.2444395426605155  3.3372854346206093   T   T   T
 -0.0000000000000000  0.7637721075958986  3.3372854346206093   T   T   T
  2.0551754742615169  1.7168953274687373  1.1124284782068619   T   T   T