$coord
    1.76597073232264      0.00000000000000     -2.09828945804682      h
    0.00000000000000      0.00000000000000     -1.07152555669470      c
    0.00000000000000      0.00000000000000      1.53120965473912      c
   -1.76597073232264      0.00000000000000     -2.09828945804682      h
    0.00000000000000      0.00000000000000      3.73689481804922      n
$redundant
     number_of_atoms             5
     degrees_of_freedom          4
     internal_coordinates        4
     frozen_coordinates          0
# definitions of redundant internals
   1 k  1.0000000000000 stre    5    3           val=   2.20569
   2 k  1.0000000000000 stre    2    3           val=   2.60274
   3 k  0.4082482904639 bend    1    3    2      val=   0.26162
        0.4082482904639 bend    4    3    2
       -0.8164965809277 bend    4    1    2
   4 k  1.0000000000000 stre    2    4           val=   2.04277
         4 non zero eigenvalues  of BmBt
           1           3.744148339    1    0
         1
           2           2.153740587    2    0
         2
           3           0.912278886    3    0
         3
           4           0.488629360    4    0
         4
$user-defined bonds
$end
