PM7 Accuracy

2-aminopyridine    615 2-Aminopyridine

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    #  Species Formula
   605 DicyanoacetyleneC4N2
   606 FumaronitrileC4H2N2
   607 1,3-DiazineC4H4N2
   608 PyrazineC4H4N2
   609 PyridazineC4H4N2
   610 SuccinonitrileC4H4N2
   611 2-Methyl-1H-imidazoleC4H6N2
   612 (Dimethylamino) acetonitrileC4H8N2
   613 1,4,5,6-TetrahydropyrimidineC4H8N2
   614 PiperazineC4H10N2
   615 2-Aminopyridine C5H6N2
   616 3-AminopyridineC5H6N2
   617 4-AminopyridineC5H6N2
   618 Dimethyl propanedinitrileC5H6N2
   619 2-Ethyl-1H-imidazoleC5H8N2
   620 DiethylcyanamideC5H10N2
   621 ButylmethyldiazeneC5H12N2
   622 ButylmethyldiazineC5H12N2
   623 N,N-Dimethyl-1,3-propanediamineC5H14N2
   624 2-CyanopyridineC6H4N2
   625 3-CyanopyridineC6H4N2


DHf: 28.2 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-Aminopyridine
 H=28.23 HR=NIST
  N     0.00000000  0    0.0000000  0    0.0000000  0     0     0     0
  C     1.37507430  1    0.0000000  0    0.0000000  0     1     0     0
  C     1.41665476  1  122.0159235  1    0.0000000  0     2     1     0
  C     1.38728787  1  117.7211444  1 -179.9887624  1     3     2     1
  C     1.39583985  1  120.0842741  1   -0.0067932  1     4     3     2
  C     1.40056041  1  118.4675589  1   -0.0132026  1     5     4     3
  N     1.34146464  1  123.2188019  1    0.0215159  1     6     5     4
  H     0.99956590  1  119.9834151  1 -179.9914853  1     1     2     3
  H     0.99232145  1  121.2877735  1 -179.9948980  1     1     2     8
  H     1.08102658  1  120.8450679  1  179.9912736  1     3     2     4
  H     1.09085980  1  119.9765777  1 -179.9969089  1     4     3     5
  H     1.08251427  1  120.9633456  1 -179.9952410  1     5     4     6
  H     1.09785767  1  121.6247203  1 -179.9880131  1     6     5     7