11 12 -1.9643 2.1420 0.0000 C -2.6788 1.7295 0.0000 C -2.6788 0.9045 0.0000 C -1.9643 0.4919 0.0000 C -1.2498 0.9045 0.0000 C -1.2498 1.7295 0.0000 C -1.9643 -0.3331 0.0000 C -2.6788 -0.7456 0.0000 C -1.2498 -0.7456 0.0000 C -3.3932 0.4920 0.0000 O -1.9643 2.9670 0.0000 C 1 2 1 1 2 3 1 1 3 4 5 5 4 5 1 1 5 6 1 1 1 6 1 1 4 7 5 5 7 8 5 5 7 9 1 1 3 10 5 5 1 11 1 1 8 10 5 5