1 9 Thiophene 2 1 C 2 3 2 C 2 1 1.36873 4 3 C 2 2 1.42138 1 112.4302 5 4 C 2 3 1.36873 2 112.4302 1 0.0000 0 6 5 S 42 1 1.71422 2 111.5779 3 0.0000 0 7 6 H 5 1 1.10176 2 124.8951 5 123.5270 1 8 7 H 5 2 1.10244 1 123.8557 3 123.7141 -1 9 8 H 5 3 1.10244 2 123.7141 4 123.8557 -1 10 9 H 5 4 1.10176 3 124.8950 2 -180.0000 0 11 12 4 5 13