O Si 
 1.0000000000000000
     8.3981373929616154    0.0000000000000000   -0.0000000000000000
     0.0000000000000000    8.3981373929616154   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    5.6299298443686023
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000  4.1990686964808077 -0.0000000000000000   T   T   T
  4.1990686964808086 -0.0000000000000000  2.8149649221843007   T   T   T
  0.0000000000000000  4.1990686964808077  2.8149649221843007   T   T   T
  4.1990686964808086  0.0000000000000000 -0.0000000000000000   T   T   T
  2.1570042265031470  2.1570042265031470 -0.0000000000000000   T   T   T
  6.2411331664584750  6.2411331664584733 -0.0000000000000000   T   T   T
  6.2411331664584750  2.1570042265031470  2.8149649221843007   T   T   T
  2.1570042265031470  6.2411331664584733  2.8149649221843007   T   T   T
  2.0988273962987498 -0.0000000000000000  1.4074824610921504   T   T   T
  6.2993099966628714 -0.0000000000000000  1.4074824610921504   T   T   T
  0.0000000000000000  2.0988273962987498  4.2224473832764522   T   T   T
  0.0000000000000000  6.2993099966628696  4.2224473832764522   T   T   T
  6.2993099966628714 -0.0000000000000000  4.2224473832764522   T   T   T
  2.0988273962987498 -0.0000000000000000  4.2224473832764522   T   T   T
  0.0000000000000000  6.2993099966628696  1.4074824610921504   T   T   T
  0.0000000000000000  2.0988273962987498  1.4074824610921504   T   T   T
  0.5707391144997307  2.6494430844539654 -0.0000000000000000   T   T   T
  7.8273982784618896  5.7486943085076545 -0.0000000000000000   T   T   T
  5.7486943085076545  0.5707391144997305  2.8149649221843007   T   T   T
  2.6494430844539654  7.8273982784618887  2.8149649221843007   T   T   T
  7.8273982784618896  2.6494430844539654  2.8149649221843007   T   T   T
  0.5707391144997307  5.7486943085076545  2.8149649221843007   T   T   T
  2.6494430844539654  0.5707391144997305 -0.0000000000000000   T   T   T
  5.7486943085076545  7.8273982784618887 -0.0000000000000000   T   T   T