Accuracy

2,3-dimethyl quinoxaline    661 2,3-Dimethyl quinoxaline

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    #  Species Formula
   651 Di-tert-butyldiazeneC8H18N2
   652 1,2-DibutylhydrazineC8H20N2
   653 3-QuinolinamineC9H8N2
   654 5-QuinolinamineC9H8N2
   655 6-QuinolinamineC9H8N2
   656 8-QuinolinamineC9H8N2
   657 2-(Diethylamino)-pentanenitrileC9H18N2
   658 2,2-BipyridylC10H8N2
   659 2,4-BipyridylC10H8N2
   660 4,4'-BipyridineC10H8N2
   661 2,3-Dimethyl quinoxaline C10H10N2
   662 alpha N,N-dimethylamino phenylacetonitrileC10H12N2
   663 Ethyl(1,1-dimethylpropyl)malonodinitrileC10H16N2
   664 Meso-2,3-diethyl-2,3-dimethylsuccinodinitrileC10H16N2
   665 Methyl(1,1,2-trimethylpropyl)malonodinitrileC10H16N2
   666 PhenazineC12H8N2
   667 PhenazoneC12H8N2
   668 cis-AzobenzeneC12H10N2
   669 Diphenyl diazeneC12H10N2
   670 4,4'-Dimethyl-2,2'-bipyridineC12H12N2
   671 1,(1-Piperidinyl) cyclohexanecarbonitrileC12H20N2


ΔHf: 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