Accuracy

2,3-dimethyl pyrazine    624 2,3-Dimethyl pyrazine

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    #  Species Formula
   614 3-AminopyridineC5H6N2
   615 4-AminopyridineC5H6N2
   616 Dimethyl propanedinitrileC5H6N2
   617 2-Ethyl-1H-imidazoleC5H8N2
   618 DiethylcyanamideC5H10N2
   619 ButylmethyldiazeneC5H12N2
   620 N,N-Dimethyl-1,3-propanediamineC5H14N2
   621 2-CyanopyridineC6H4N2
   622 3-CyanopyridineC6H4N2
   623 4-CyanopyridineC6H4N2
   624 2,3-Dimethyl pyrazine C6H8N2
   625 HexanedinitrileC6H8N2
   626 PhenylhydrazineC6H8N2
   627 3(Dimethylamino) propanenitrileC6H12N2
   628 TetramethyldiazetineC6H12N2
   629 TriethylenediamineC6H12N2
   630 1,2-DiisopropyldiazeneC6H14N2
   631 DipropyldiazeneC6H14N2
   632 1H-BenzimidazoleC7H6N2
   633 1H-IndazoleC7H6N2
   634 1-Methyl-1-phenylhydrazineC7H10N2


ΔHf: 30.1 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
2,3-Dimethyl pyrazine
 H=30.11 HR=NIST
  N     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.34339132 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.40733303 +1  120.7593727 +1    0.0000000 +0     2     1     0
  N     1.34316657 +1  120.7679770 +1   -0.0065077 +1     3     2     1
  C     1.34855227 +1  118.9496718 +1   -0.0005873 +1     4     3     2
  C     1.42167430 +1  120.2896671 +1    0.0040411 +1     5     4     3
  C     1.48976480 +1  124.0167484 +1  179.9899352 +1     6     5     4
  C     1.48969349 +1  115.7266810 +1 -179.9400418 +1     5     4     6
  H     1.09356940 +1  116.5985467 +1 -179.9945630 +1     2     1     3
  H     1.09366863 +1  122.5942359 +1  179.9957087 +1     3     2     4
  H     1.10362961 +1  110.8731365 +1  118.9956858 +1     7     6     5
  H     1.10397621 +1  110.9052810 +1  117.4865488 +1     7     6    11
  H     1.09655460 +1  113.4442238 +1  121.1330160 +1     7     6    12
  H     1.10374591 +1  110.9020590 +1  -59.3550959 +1     8     5     4
  H     1.10390404 +1  110.8842201 +1  117.5498732 +1     8     5    14
  H     1.09661544 +1  113.4313888 +1  121.1215097 +1     8     5    15