O Si 
 1.0000000000000000
     2.1684739023175652    0.0000000000000000    0.0000000000000000
    -0.0000000000000000    6.9978363240715247    0.0000000000000000
     0.0000000000000000    0.0000000000000000    5.7612102382980384
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  1.0842369511587833  3.4989181620357610  0.0000000000000000   T   T   T
 -0.0000000000000000  3.4989181620357610  2.8806051191490196   T   T   T
  1.0842369511587833  0.0000000000000000  2.8806051191490196   T   T   T
  0.5421184755793916  1.7494590810178805  3.0509045238421937   T   T   T
  1.6263554267381699  5.2483772430536373  5.5909108336048545   T   T   T
  1.6263554267381699  5.2483772430536373  2.7103057144558327   T   T   T
  0.5421184755793916  1.7494590810178805  0.1702994046931823   T   T   T
  1.0818739934836306  6.4168407887158780 -0.3624920048252692   T   T   T
  0.0023629576751529  4.0799136973913912 -0.3624920048252691   T   T   T
  1.0865999088339360  2.9179226266801344  3.2430971239742892   T   T   T
  2.1661109446424076  0.5809955353556260  3.2430971239742901   T   T   T
  1.0865999088339360  0.5809955353556255  6.1237022431233061   T   T   T
  2.1661109446424072  2.9179226266801344  6.1237022431233061   T   T   T
  1.0818739934836308  4.0799136973913903  2.5181131143237496   T   T   T
  0.0023629576751528  6.4168407887158798  2.5181131143237496   T   T   T
  1.0753977227244078  6.1208049354818801  1.2628906588555235   T   T   T
  2.1773131307519358  4.3759495506253874  1.2628906588555231   T   T   T
  1.0930761795931561  2.6218867734461253  1.6177144602934912   T   T   T
 -0.0088392284343730  0.8770313885896318  1.6177144602934908   T   T   T
  1.0930761795931561  0.8770313885896314  4.4983195794425157   T   T   T
 -0.0088392284343727  2.6218867734461244  4.4983195794425157   T   T   T
  1.0753977227244078  4.3759495506253883  4.1434957780045458   T   T   T
  2.1773131307519358  6.1208049354818801  4.1434957780045423   T   T   T