O Si 
 1.0000000000000000
     3.7159801684395219    0.0000000000000000    0.0000000000000000
    -0.0000000000000000    3.7159801684395681   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    7.5209047786594674
 O   Si 
  16   8
Selective dynamics
Cartesian
  2.3026110145562377  3.2713592381030980  1.8802261946648648   T   T   T
  1.4133691538832873  0.4446209303364811  1.8802261946648648   T   T   T
  3.2713592381030505  1.4133691538833051  5.6406785839945996   T   T   T
  0.4446209303364724  2.3026110145562706  5.6406785839945996   T   T   T
 -0.0000000000000000  1.8579900842197867  6.7404871903036971   T   T   T
  1.8579900842197616 -0.0000000000000000  0.7804175883557681   T   T   T
  1.8579900842197616 -0.0000000000000000  2.9800348009739630   T   T   T
 -0.0000000000000000  1.8579900842197867  4.5408699776854959   T   T   T
  2.8666019634498077  0.6121722744708766  1.2885813570370384   T   T   T
  0.8493782049897166  3.1038078939686948  1.2885813570370384   T   T   T
  0.6121722744708659  0.8493782049897274  6.2323234216224179   T   T   T
  3.1038078939686486  2.8666019634498490  6.2323234216224179   T   T   T
  1.0086118792300456  1.2458178097489121  5.0490337463667876   T   T   T
  2.7073682892094673  2.4701623586906658  5.0490337463667858   T   T   T
  2.4701623586906329  1.0086118792300585  2.4718710322926900   T   T   T
  1.2458178097488919  2.7073682892095134  2.4718710322926909   T   T   T
  3.0064513515326814  2.5703367774191714  0.5569569100106557   T   T   T
  0.7095288169068429  1.1456433910204056  0.5569569100106555   T   T   T
  2.5703367774191332  0.7095288169068528  6.9639478686488054   T   T   T
  1.1456433910203905  3.0064513515327200  6.9639478686488046   T   T   T
  1.1484612673129173  3.0036334752401910  4.3174092993403868   T   T   T
  2.5675189011266046  0.7123466931993847  4.3174092993403885   T   T   T
  0.7123466931993757  1.1484612673129340  3.2034954793190797   T   T   T
  3.0036334752401461  2.5675189011266437  3.2034954793190789   T   T   T