O Si 
 1.0000000000000000
     5.5103010984803964   -0.1028716884146752   -0.4154062398706798
    -0.4343211180706542    4.4867821204370992   -0.2868001487994724
    -0.7487079160905110    0.0557961956995886    7.0043408698567298
 O   Si 
   8   4
Selective dynamics
Cartesian
  1.2092489849382178  0.2028222251041540  3.1081233220375144   T   T   T
  0.8891340316608898  3.1376986007405563  3.0162636487101753   T   T   T
  4.4042595237980748  1.3413166011734423  3.0535300043353244   T   T   T
  2.3012515861791831  2.5532387332435671  4.5765455083382989   T   T   T
  2.0601775669105411  4.8615382024234073  4.6211827219578598   T   T   T
  3.9138159638078136  3.3158355161532009 -0.4619460624124374   T   T   T
  0.0953947203543408  1.6002521092701725  1.0802720906452885   T   T   T
  0.3494214455747350  3.5440084694421436  6.3953957314765946   T   T   T
  4.5756293655542812  2.5176431773849317  6.3842474874553305   T   T   T
  1.7973492144928644  3.6589809357706793  5.6680379002992254   T   T   T
  0.3393646814618441  1.5800688820927022  2.7038253898619371   T   T   T
  3.5559625350488924  1.5095645718250379  4.4272472868985080   T   T   T