O Si 
 1.0000000000000000
     8.2874999999999837    0.0000000000000000    0.0000000000000000
    -4.1437499999999918    7.1771855338635211    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.1435000000000004
 O   Si 
  12   6
Cartesian
  4.1437499999999918  0.0000000000000000  0.0000000000000000
  2.1654142306874964  1.2502024889944725  0.0000000000000000
  4.1437499999999918  4.6767805558745765  0.0000000000000000
  6.1220857693124877  1.2502024889944725  0.0000000000000000
  0.0000000000000000  2.5004049779889450  0.0000000000000000
 -1.9783357693124954  5.9269830448690488  0.0000000000000000
  1.9783357693124954  5.9269830448690488  0.0000000000000000
 -2.0718749999999959  3.5885927669317605  2.0717500000000002
  4.1437499999999918  0.0000000000000000  2.0717500000000002
  2.0718749999999959  3.5885927669317605  0.0000000000000000
 -2.0718749999999959  3.5885927669317605  0.0000000000000000
  2.0718749999999959  3.5885927669317605  2.0717500000000002
  2.8177467678749935  0.0000000000000000  0.8118721691900005
  5.4697532321249902  0.0000000000000000  3.3316278308100000
 -2.7348766160624951  4.7369452514522825  3.3316278308100000
  1.4088733839374967  2.4402402824112381  3.3316278308100000
 -1.4088733839374967  2.4402402824112381  0.8118721691900005
  2.7348766160624951  4.7369452514522825  0.8118721691900005