O Si 
 1.0000000000000000
     7.9543893372066350    0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.2939189862846590    0.0000000000000000
     0.0000000000000000    0.0000000000000000    8.9802014210455710
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  3.9771946686033175  0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  0.0000000000000000  4.4901007105227846   T   T   T
  3.9771946686033175  0.0000000000000000  4.4901007105227846   T   T   T
 -0.0000000000000000  2.7361520015556100  2.2450503552613923   T   T   T
  3.9771946686033175  1.5577669847290441  2.2450503552613923   T   T   T
  0.0000000000000000  1.5577669847290441  6.7351510657841800   T   T   T
  3.9771946686033175  2.7361520015556100  6.7351510657841800   T   T   T
  1.9885973343016587 -0.0000000000000000  7.4414780743886961   T   T   T
  5.9657920029049780  0.0000000000000000  6.0288240571796656   T   T   T
  5.9657920029049780  0.0000000000000000  1.5387233466568770   T   T   T
  1.9885973343016587  0.0000000000000000  2.9513773638659080   T   T   T
  1.9885973343016587  2.1469594931423290  8.5519804988913926   T   T   T
  5.9657920029049780  2.1469594931423290  4.9183216326769683   T   T   T
  5.9657920029049780  2.1469594931423290  0.4282209221541815   T   T   T
  1.9885973343016587  2.1469594931423290  4.0618797883686080   T   T   T
  7.0749224317398030  3.2586023615192099  0.9742121114647745   T   T   T
  4.8566615740701540  1.0353166247654482  0.9742121114647745   T   T   T
  0.8794669054668408  3.2586023615192099  3.5158885990580120   T   T   T
  3.0977277631364757  1.0353166247654482  3.5158885990580120   T   T   T
  0.8794669054668408  1.0353166247654482  8.0059893095808086   T   T   T
  3.0977277631364757  3.2586023615192099  8.0059893095808086   T   T   T
  7.0749224317398030  1.0353166247654482  5.4643128219875585   T   T   T
  4.8566615740701540  3.2586023615192099  5.4643128219875585   T   T   T