$coord
    0.00000000000000      3.67996697323720     -1.62832612361406  si
    0.00000000000000      0.00000000000000      0.84619560072852  si
    0.00000000000000     -3.67996697323720     -1.62832612361406  si
    0.00000000000000     -7.33208551875647      0.88807197391550  si
    2.27158491756975      3.66635449278418     -3.28653639005975  h
   -2.27158491756975      3.66635449278418     -3.28653639005975  h
    0.00000000000000      7.33208551875647      0.88807197391550  si
    2.26868184009122      0.00000000000000      2.50936240911112  h
   -2.26868184009122      0.00000000000000      2.50936240911112  h
    2.27158491756975     -3.66635449278418     -3.28653639005975  h
   -2.27158491756975     -3.66635449278418     -3.28653639005975  h
    0.00000000000000     -9.66439814618852     -0.67610883203156  h
    2.27795652733760     -7.35407218287701      2.52848777618713  h
   -2.27795652733760     -7.35407218287701      2.52848777618713  h
    0.00000000000000      9.66439814618852     -0.67610883203156  h
   -2.27795652733760      7.35407218287701      2.52848777618713  h
    2.27795652733760      7.35407218287701      2.52848777618713  h
$user-defined bonds
$redundant
     number_of_atoms            17
     degrees_of_freedom         14
     internal_coordinates       14
     frozen_coordinates          0
# definitions of redundant internals
   1 k  1.4142135623731 stre   1    7           val=   4.43511
   2 k  1.4142135623731 stre   4   12           val=   2.80826
   3 k  1.4142135623731 stre   2    8           val=   2.81301
   4 k  2.0000000000000 stre   1    5           val=   2.81246
   5 k  2.0000000000000 stre   4   13           val=   2.80723
   6 k  1.4142135623731 stre   2    1           val=   4.43457
   7 k  0.5540416684311 bend  14   13    4      val=   0.52830
        0.5999000917950 bend  12   13    4
        0.5999000917950 bend  12   14    4
       -0.5723385797746 bend   3   13    4
       -0.5723385797746 bend   3   14    4
       -0.5640342982247 bend   3   12    4
   8 k  0.0390200211705 bend   5    6    1      val=   0.52087
       -0.7103704040593 bend   7    6    1
       -0.7103704040593 bend   7    5    1
        0.7032870025890 bend   2    6    1
        0.7032870025890 bend   2    5    1
   9 k  1.0355663520333 bend  14   13    4      val=   0.93060
       -0.4864129363522 bend  12   13    4
       -0.4864129363522 bend  12   14    4
        0.2666946806548 bend   3   13    4
        0.2666946806548 bend   3   14    4
       -0.5587084533598 bend   3   12    4
  10 k  1.2699689317450 bend   5    6    1      val=   0.39825
       -0.2914497820828 bend   7    6    1
       -0.2914497820830 bend   7    5    1
       -0.3296156560680 bend   2    6    1
       -0.3296156560680 bend   2    5    1
  11 k  0.9004650935332 bend   9    8    2      val=   0.99706
       -0.2174641437848 bend   1    8    2
       -0.2174641437848 bend   1    9    2
       -0.2174641437848 bend   3    8    2
       -0.2174641437848 bend   3    9    2
  12 k -0.5550286488161 bend  14   13    4      val=  -0.54857
        0.2703367580728 bend  12   13    4
        0.2703367580728 bend  12   14    4
        0.5124831641705 bend   3   13    4
        0.5124831641705 bend   3   14    4
       -1.0101986370741 bend   3   12    4
  13 k  1.4142135623731 bend   2    7    1      val= 111.51413
  14 k  1.0000000000000 bend   3    1    2      val= 112.16383
        14 non zero eigenvalues  of BmBt
           1           3.192954667    1    0
         1
           2           3.030698137    2    0
         2
           3           2.651998087    3    0
         3
           4           1.892495418    4    0
         4
           5           1.458092861    5    0
         5
           6           0.760895469    6    0
         6
           7           0.579030493    7    0
         7
           8           0.483212054    8    0
         8
           9           0.409891476    9    0
         9
          10           0.254588868   10    0
        10
          11           0.198580718   11    0
        11
          12           0.166596588   12    0
        12
          13           0.032816320   13    0
        13
          14           0.007609958   14    0
        14
$end
