$coord
    0.00000000000000      0.00000000000000     -2.04416196671477      c
    0.00000000000000      0.00000000000000      0.53567490597033      c
    0.00000000000000      0.00000000000000      2.84450592135807      c
   -1.75580288280431      0.00000000000000     -3.09400666176532      h
    1.75580288280431      0.00000000000000     -3.09400666176532      h
    0.00000000000000      0.00000000000000      4.85199446291702      h
$redundant
     number_of_atoms             6
     degrees_of_freedom          5
     internal_coordinates        5
     frozen_coordinates          0
# definitions of redundant internals
   1 k  1.0000000000000 stre    6    3           val=   2.00749
   2 k  1.0000000000000 stre    1    2           val=   2.57984
   3 k  1.0000000000000 stre    3    2           val=   2.30883
   4 k  0.4082482904639 bend    4    2    1      val=   1.31461
        0.4082482904639 bend    5    2    1
       -0.8164965809277 bend    5    4    1
   5 k  1.0000000000000 stre    1    5           val=   2.04573
         5 non zero eigenvalues  of BmBt
           1           3.852092667    1    0
         1
           2           2.837554230    2    0
         2
           3           1.400110437    3    0
         3
           4           0.896389606    4    0
         4
           5           0.313527190    5    0
         5
$user-defined bonds
$end
