O Si 
 1.0000000000000000
     5.1117950264779290    0.0000000000000000    0.0000000000000000
    -2.5558975132389645    4.4269443518688352   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    8.7532011171749424
 O   Si 
   8   4
Selective dynamics
Cartesian
 -0.0000000255589767  2.9512962493357051  2.1883002792937356   T   T   T
  2.5558974876799896  1.4756481320460930  6.5649008378812068   T   T   T
  2.1014641023632086  0.0000000147564817  0.0000000000000000   T   T   T
 -1.0507320895200691  1.8199213346788055  0.0000000000000000   T   T   T
  1.5051654237188961  2.6070230467029907  0.0000000000000000   T   T   T
  3.0103308729967693  0.0000000147564817  4.3766005585874712   T   T   T
 -1.5051654748368484  2.6070230467029907  4.3766005585874712   T   T   T
  1.0507320384021157  1.8199213346788055  4.3766005585874712   T   T   T
 -0.0000000255589767  2.9512962493357051  3.8320462359042833   T   T   T
  2.5558974876799896  1.4756481320460930  8.2086467944917541   T   T   T
  2.5558974876799896  1.4756481320460930  4.9211548812706569   T   T   T
 -0.0000000255589768  2.9512962493357056  0.5445543226831876   T   T   T