O Si 
 1.0000000000000000
     4.6418584340488085    0.0000000000000000    0.0000000000000000
    -0.0000000000000000    7.9244079286450644    0.0000000000000000
     0.0000000000000000    0.0000000000000000    8.7577987617243771
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.3209292170244038  3.9622039643225277  0.0000000000000000   T   T   T
 -0.0000000000000000  3.9622039643225277  4.3788993808621868   T   T   T
  2.3209292170244038  0.0000000000000000  4.3788993808621868   T   T   T
  1.1604646085122019  1.9811019821612639  5.5904348856384303   T   T   T
  3.4813938255366041  5.9433059464837958  7.5462632569481229   T   T   T
  3.4813938255366041  5.9433059464837958  3.1673638760859379   T   T   T
  1.1604646085122019  1.9811019821612639  1.2115355047762471   T   T   T
  1.8354775295085410  7.5008492273432639  1.8561874637035931   T   T   T
  0.4854516875158627  4.3857626656243180  1.8561874637035931   T   T   T
  2.8063809045402661  3.5386452630207388  2.5227119171585897   T   T   T
  4.1564067465329408  0.4235587013017899  2.5227119171585897   T   T   T
  2.8063809045402661  0.4235587013017899  6.9016112980207724   T   T   T
  4.1564067465329408  3.5386452630207388  6.9016112980207724   T   T   T
  1.8354775295085410  4.3857626656243180  6.2350868445657817   T   T   T
  0.4854516875158627  7.5008492273432639  6.2350868445657817   T   T   T
  2.9438614550268265  7.4249441784311498  3.0075069518410875   T   T   T
  4.0189261960463813  4.4616677145364383  3.0075069518410875   T   T   T
  1.6979969790219773  3.4627402141086163  1.3713924290210935   T   T   T
  0.6229322380024250  0.4994637502139115  1.3713924290210935   T   T   T
  1.6979969790219773  0.4994637502139115  5.7502918098832794   T   T   T
  0.6229322380024250  3.4627402141086163  5.7502918098832794   T   T   T
  2.9438614550268265  4.4616677145364383  7.3864063327032747   T   T   T
  4.0189261960463813  7.4249441784311498  7.3864063327032747   T   T   T