O Si 
 1.0000000000000000
     5.7183747321540803   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    5.7183747321540750   -0.0000000000000000
     0.0000000000000000   -0.0000000000000001   23.0277706146576833
 O   Si 
  32  16
Selective dynamics
Cartesian
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  0.0000000000000000 -0.0000000000000001 10.4258840532837365   T   T   T
  0.0000000000000000 -0.0000000000000001 19.0536566083106926   T   T   T
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  0.7481649756408301  4.2849887223996284 10.0561927834811282   T   T   T