PM7 Accuracy

2,2-bipyridyl    661 2,2-Bipyridyl

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    #  Species Formula
   651 1,4-Dimethyl-2,3-diaza-bicyclo[2.2.2]oct-2-eneC8H14N2
   652 3,4,5,6-Tetrahydro-3,3,6,6-tetramethylpyridazineC8H16N2
   653 Di-n-butyldiazeneC8H18N2
   654 Di-tert-butyldiazeneC8H18N2
   655 1,2-DibutylhydrazineC8H20N2
   656 3-QuinolinamineC9H8N2
   657 5-QuinolinamineC9H8N2
   658 6-QuinolinamineC9H8N2
   659 8-QuinolinamineC9H8N2
   660 2-(Diethylamino)-pentanenitrileC9H18N2
   661 2,2-Bipyridyl C10H8N2
   662 2,4-BipyridylC10H8N2
   663 4,4'-BipyridineC10H8N2
   664 2,3-Dimethyl quinoxalineC10H10N2
   665 alpha N,N-dimethylamino phenylacetonitrileC10H12N2
   666 Ethyl(1,1-dimethylpropyl)malonodinitrileC10H16N2
   667 Meso-2,3-diethyl-2,3-dimethylsuccinodinitrileC10H16N2
   668 Methyl(1,1,2-trimethylpropyl)malonodinitrileC10H16N2
   669 PhenazineC12H8N2
   670 PhenazoneC12H8N2
   671 cis-AzobenzeneC12H10N2


DHf: 69.1 kcal/mol,     REF: NIST Chemistry WebBook, NIST Standard Reference Database, No. 69; W. G. Mallard, P. J. Linstrom, Eds., National Institute of Standards and Technology, Gaithersberg, http://webbook.nist.gov/chemistry.
  
 PM7
2,2-Bipyridyl
 H=69.1 HR=NIST
  C     0.00000000  0    0.0000000  0    0.0000000  0     0     0     0
  C     1.39233441  1    0.0000000  0    0.0000000  0     1     0     0
  C     1.39313994  1  119.3580852  1    0.0000000  0     2     1     0
  C     1.40361757  1  118.7301701  1   -0.0197748  1     3     2     1
  N     1.35346870  1  122.0427421  1   -0.0103260  1     4     3     2
  C     1.34222679  1  118.7200377  1    0.0135336  1     5     4     3
  C     1.48137720  1  121.7905174  1  179.9829871  1     4     3     5
  N     1.35343415  1  116.2007745  1    0.0101480  1     7     4     3
  C     1.34230149  1  118.7176546  1  179.9964271  1     8     7     4
  C     1.40238789  1  122.7244921  1   -0.0091622  1     9     8     7
  C     1.39230321  1  118.4127560  1   -0.0033447  1    10     9     8
  C     1.39298456  1  119.3775048  1    0.0084481  1    11    10     9
  H     1.08528555  1  121.1006162  1  179.9973802  1     1     2     3
  H     1.08950680  1  120.5100019  1 -179.9990988  1     2     1     3
  H     1.09199877  1  121.3468528  1 -179.9998334  1     3     2     4
  H     1.09622308  1  115.5765697  1 -179.9942440  1     6     5     4
  H     1.09624326  1  115.5639933  1  179.9986561  1     9     8    10
  H     1.08956601  1  120.5036612  1 -179.9969774  1    11    10    12
  H     1.09201257  1  121.3456457  1 -179.9933195  1    12    11    10
  H     1.08525211  1  120.4654964  1  179.9960365  1    10     9    11