PM7 Accuracy

2,3-dimethyl quinoxaline    664 2,3-Dimethyl quinoxaline

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    #  Species Formula
   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-BipyridylC10H8N2
   662 2,4-BipyridylC10H8N2
   663 4,4'-BipyridineC10H8N2
   664 2,3-Dimethyl quinoxaline C10H10N2
   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
   672 Diphenyl diazeneC12H10N2
   673 4,4'-Dimethyl-2,2'-bipyridineC12H12N2
   674 1,(1-Piperidinyl) cyclohexanecarbonitrileC12H20N2


DHf: 41.3 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
2,3-Dimethyl quinoxaline
 H=41.32 HR=NIST
  C     0.00000000  0    0.0000000  0    0.0000000  0     0     0     0
  C     1.37178365  1    0.0000000  0    0.0000000  0     1     0     0
  C     1.41867856  1  120.9515469  1    0.0000000  0     2     1     0
  C     1.37162523  1  121.0064745  1   -0.0037111  1     3     2     1
  C     1.42101719  1  119.2779638  1   -0.0150186  1     4     3     2
  C     1.42135218  1  119.7242893  1    0.0141130  1     5     4     3
  N     1.37679748  1  120.3011634  1 -179.9609482  1     6     5     4
  C     1.31918471  1  118.8045494  1   -0.0003048  1     7     6     5
  C     1.45720783  1  120.9274327  1   -0.0201210  1     8     7     6
  N     1.31988210  1  120.7896934  1    0.0171003  1     9     8     7
  C     1.49015195  1  117.5628204  1  179.9931677  1     8     7     9
  C     1.49036137  1  122.0625125  1 -179.9979959  1     9     8    10
  H     1.09073756  1  122.2569864  1 -179.9746646  1     1     2     3
  H     1.08986902  1  120.4332247  1  179.9770712  1     2     1     3
  H     1.08996333  1  118.5969737  1  179.9912109  1     3     2     4
  H     1.09070256  1  122.2784891  1 -179.9940586  1     4     3     5
  H     1.09994472  1  111.5276547  1  119.8539382  1    11     8     7
  H     1.10530333  1  111.5103955  1 -119.3879042  1    11     8    17
  H     1.10000938  1  111.4890056  1 -119.3340704  1    11     8    18
  H     1.10403132  1  110.8101364  1  120.3245590  1    12     9     8
  H     1.09557620  1  113.5318119  1 -121.3831806  1    12     9    20
  H     1.10412363  1  110.8254007  1 -121.3333515  1    12     9    21