O Si 
 1.0000000000000000
     5.3383735453366539   -0.0000000000000000   -0.0000000000000000
     0.0000000000000000    5.3383735453366530    0.0000000000000001
    -0.0000000000000000    0.0000000000000002   17.2793277240878496
 O   Si 
  16   8
Selective dynamics
Cartesian
  2.6691867726683305 -0.6179716799673142 -0.0000000000000000   T   T   T
  2.6691867726683305  5.9563452253039753  8.6396638620439354   T   T   T
  5.9563452253039708  2.6691867726683278 12.9594957930659138   T   T   T
 -0.6179716799673145  2.6691867726683278  4.3198319310219677   T   T   T
  1.4422986019466839  1.4422986019466855 10.7995798275549255   T   T   T
  3.8960749433899742  3.8960749433899737  2.1599159655109843   T   T   T
  3.8960749433899742  1.4422986019466855  6.4797478965329569   T   T   T
  1.4422986019466835  3.8960749433899720 15.1194117585768915   T   T   T
  4.0791906816307728  1.0662484623642277  1.5039976407241056   T   T   T
  1.2591828637058915  4.2721250829724253 10.1436615027680457   T   T   T
  4.2721250829724271  4.0791906816307701 14.4634934337900223   T   T   T
  1.0662484623642283  1.2591828637058904  5.8238295717460717   T   T   T
  1.2591828637058915  1.0662484623642279 15.7753300833637535   T   T   T
  4.0791906816307728  4.2721250829724244  7.1356662213198332   T   T   T
  1.0662484623642285  4.0791906816307701  2.8158342902978601   T   T   T
  4.2721250829724271  1.2591828637058899 11.4554981523417947   T   T   T
  3.3124863386273469 -0.2537302097527647  1.3680616291006737   T   T   T
  2.0258872067093097  5.5921037550894264 10.0077254911446030   T   T   T
  5.5921037550894255  3.3124863386273429 14.3275574221665725   T   T   T
 -0.2537302097527649  2.0258872067093079  5.6878935601226450   T   T   T
  2.0258872067093106 -0.2537302097527644 15.9112660949872051   T   T   T
  3.3124863386273451  5.5921037550894264  7.2716022329432644   T   T   T
 -0.2537302097527649  3.3124863386273433  2.9517703019212975   T   T   T
  5.5921037550894255  2.0258872067093088 11.5914341639652427   T   T   T