O Si 
 1.0000000000000000
     6.6389702228731897    0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.6389702228731879    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    8.2084266516136637
 O   Si 
  16   8
Selective dynamics
Cartesian
  2.1789489733847329  2.1789489733848026  2.0521066629034204   T   T   T
  4.4600212494881690  4.4600212494881850  2.0521066629034204   T   T   T
  2.1789489733847329  4.4600212494881850  6.1563199887103073   T   T   T
  4.4600212494881690  2.1789489733848026  6.1563199887103073   T   T   T
 -0.0000000000000009  3.3194851114364372  5.0537817082491214   T   T   T
  3.3194851114364528 -0.0000000000000009  3.1546449433645414   T   T   T
 -0.0000000000000009  3.3194851114364372  0.9495683824423345   T   T   T
  3.3194851114364528 -0.0000000000000009  7.2588582691714141   T   T   T
  2.0938782499031698  2.2036909436780499  7.7268233284746479   T   T   T
  4.5450919729698365  4.4352792791949387  7.7268233284746497   T   T   T
  2.2036909436780183  4.5450919729698693  0.4816033231390563   T   T   T
  4.4352792791950053  2.0938782499031077  0.4816033231390559   T   T   T
  2.0938782499031698  4.4352792791949387  3.6226100026678103   T   T   T
  4.5450919729698365  2.2036909436780499  3.6226100026678099   T   T   T
  2.2036909436780183  2.0938782499031077  4.5858166489459116   T   T   T
  4.4352792791950053  4.5450919729698693  4.5858166489459116   T   T   T
  3.5732486899752907  1.5811674421411204  7.3880104227932861   T   T   T
  3.0657215328976757  5.0578027807319037  7.3880104227932826   T   T   T
  1.5811674421411495  3.0657215328977245  0.8204162288204009   T   T   T
  5.0578027807318673  3.5732486899752534  0.8204162288204011   T   T   T
  3.5732486899752907  5.0578027807319037  3.2837970969864623   T   T   T
  3.0657215328976757  1.5811674421411204  3.2837970969864676   T   T   T
  1.5811674421411495  3.5732486899752534  4.9246295546272583   T   T   T
  5.0578027807318673  3.0657215328977245  4.9246295546272618   T   T   T