$coord
    0.00000000000000     -0.28307518013386      0.00000000000000  o
    1.43365810156182      0.87445194031531      0.00000000000000  h
   -1.43365810156184      0.87445194031533      0.00000000000000  h
$user-defined bonds
$redundant
     number_of_atoms             3
     degrees_of_freedom          3
     internal_coordinates        3
     frozen_coordinates          0
# definitions of redundant internals
   1 k  1.0000000000000 stre   1    2           val=   1.84262
   2 k  1.0000000000000 stre   1    3           val=   1.84262
   3 k  1.0000000000000 bend   3    2    1      val= 102.16560
         3 non zero eigenvalues  of BmBt
           1           2.333806844    1    0
         1
           2           2.287445917    2    0
         2
           3           0.797003466    3    0
         3
$end
