chemdig rzepa example_alc   
    8 ATOMS,     7 BONDS
    1 C3    -0.6443   0.4059   0.0000
    2 C3     0.6443  -0.4059   0.0000
    3 H     -0.4089   1.4937   0.0000
    4 H     -1.2458   0.1653   0.9050
    5 H     -1.2458   0.1653  -0.9050
    6 H      0.4089  -1.4937   0.0000
    7 H      1.2458  -0.1653   0.9050
    8 H      1.2458  -0.1653  -0.9050
     1    1     2  SINGLE  
     2    1     3  SINGLE  
     3    1     4  SINGLE  
     4    1     5  SINGLE  
     5    2     6  SINGLE  
     6    2     7  SINGLE  
     7    2     8  SINGLE