$coord
    0.00000000000000      0.00000000000000      0.72784892909043  o
   -1.53645229528070      0.00000000000000     -0.36392446454521  h
    1.53645229528070      0.00000000000000     -0.36392446454521  h
$user-defined bonds
$redundant
     number_of_atoms             3
     degrees_of_freedom          2
     internal_coordinates        2
     frozen_coordinates          0
# definitions of redundant internals
   1 k  1.4142135623731 stre   1    2           val=   1.88485
   2 k  1.0000000000000 bend   3    2    1      val= 109.20626
         2 non zero eigenvalues  of BmBt
           1           2.222036382    1    0
         1
           2           0.760029204    2    0
         2
$end