12 12
   -5.0223    0.0320    0.0000 O
   -5.7368    0.4445    0.0000 C
   -5.7368    1.2695    0.0000 C
   -4.3079    1.2695    0.0000 C
   -4.3079    0.4445    0.0000 C
   -3.5934    0.0320    0.0000 C
   -3.5934    0.8570    0.0000 C
   -2.8789    0.4445    0.0000 C
   -6.4512    0.0320    0.0000 C
   -7.1657    0.4445    0.0000 C
   -6.4513   -0.7930    0.0000 C
   -7.1657   -1.2055    0.0000 O
   1    2    1    1
   1    5    1    1
   2    3    1    1
   3    4    1    1
   4    5    1    1
   5    6    1    1
   5    7    1    1
   7    8    2    2
   2    9    1    1
   9   10    1    1
   9   11    1    1
  11   12    1    1