11 10
   -5.5580    1.4732    0.0000 C
   -4.8436    1.8857    0.0000 C
   -4.1291    1.4732    0.0000 C
   -4.8436    2.7107    0.0000 C
   -4.1291    0.6482    0.0000 C
   -4.9771    0.1464    0.0000 C
   -4.9771   -0.6786    0.0000 C
   -5.6916   -1.0911    0.0000 C
   -5.5580    0.6482    0.0000 C
   -4.2056   -1.0737    0.0000 C
   -3.5457    0.0648    0.0000 O
   1    2    1    1
   2    3    1    1
   2    4    2    2
   3    5    1    1
   5    6    1    1
   6    7    1    1
   7    8    1    1
   1    9    2    2
   7   10    1    1
   5   11    1    1