O Si 
 1.0000000000000000
     7.6996788466462540    0.0000000000000000    0.0000000000000000
     0.0000000000000000    8.7469148482347201    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.6411765666810139
 O   Si 
  16   8
Selective dynamics
Cartesian
  2.0718717731544216  0.0000000000000000  0.0000000000000000   T   T   T
  5.6278070734918355 -0.0000000000000000  2.3205882833405060   T   T   T
  5.9217111964775517  4.3734574241173592  0.0000000000000000   T   T   T
  1.7779676501687076  4.3734574241173592  2.3205882833405060   T   T   T
  0.0000000000000000  7.6765563048279395  1.1602941416702530   T   T   T
 -0.0000000000000000  1.0703585434067873  3.4808824250107571   T   T   T
  3.8498394233231288  3.3030988807105732  1.1602941416702530   T   T   T
  3.8498394233231288  5.4438159675241451  3.4808824250107571   T   T   T
  5.3279354178272706  1.8772960024780514  4.1665418443568774   T   T   T
  2.3717434288189807  6.8696188457566745  1.8459535610163766   T   T   T
  2.3717434288189807  1.8772960024780514  2.7952230056646350   T   T   T
  5.3279354178272706  6.8696188457566745  0.4746347223241303   T   T   T
  1.4780959945041459  6.2507534265954146  4.1665418443568774   T   T   T
  6.2215828521421157  2.4961614216393118  1.8459535610163766   T   T   T
  6.2215828521421157  6.2507534265954146  2.7952230056646350   T   T   T
  1.4780959945041459  2.4961614216393118  0.4746347223241303   T   T   T
  6.2227288589037748  1.3409114956465871  2.9524539149246647   T   T   T
  1.4769499877424865  7.4060033525881357  0.6318656315841591   T   T   T
  1.4769499877424865  1.3409114956465871  4.0093109350968499   T   T   T
  6.2227288589037748  7.4060033525881357  1.6887226517563467   T   T   T
  2.3728894355806416  5.7143689197639533  2.9524539149246647   T   T   T
  5.3267894110656107  3.0325459284707779  0.6318656315841591   T   T   T
  5.3267894110656107  5.7143689197639533  4.0093109350968499   T   T   T
  2.3728894355806416  3.0325459284707779  1.6887226517563467   T   T   T