C2H4.mol
  -ISIS-            3D

  6  5  0  0  0  0  0  0  0  0  0
   -0.8400    0.2277   -0.2859 C   0  0  0  0  0
    0.2742   -0.0291    0.4138 C   0  0  0  0  0
   -1.0549    1.2274   -0.6812 H   0  0  0  0  0
   -1.5830   -0.5512   -0.4927 H   0  0  0  0  0
    0.4891   -1.0289    0.8089 H   0  0  0  0  0
    1.0171    0.7500    0.6206 H   0  0  0  0  0
  1  2  2  0  0  0
  1  3  1  0  0  0
  1  4  1  0  0  0
  2  5  1  0  0  0
  2  6  1  0  0  0