SeC.mol -ISIS- 3D 2 1 0 0 0 0 0 0 0 0 0 -1.4381 0.0000 0.0000 C 0 0 0 0 0 0.2670 0.0000 0.0000 SE 0 0 0 0 0 1 2 3 0 0 0