Accuracy

1,2-propanediamine    602 1,2-Propanediamine

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    #  Species Formula
   592 N=N-CH2-CH2N2
   593 MethylhydrazineCH6N2
   594 Cyanogen (Geo)C2N2
   595 CyanogenC2N2
   596 Dimethyldiazene (Geo)C2H6N2
   597 1,1-DimethylhydrazineC2H8N2
   598 1,2-DimethylhydrazineC2H8N2
   599 EthylenediamineC2H8N2
   600 1H-PyrazoleC3H4N2
   601 ImidazoleC3H4N2
   602 1,2-Propanediamine C3H10N2
   603 DicyanoacetyleneC4N2
   604 FumaronitrileC4H2N2
   605 1,3-DiazineC4H4N2
   606 PyrazineC4H4N2
   607 PyridazineC4H4N2
   608 SuccinonitrileC4H4N2
   609 2-Methyl-1H-imidazoleC4H6N2
   610 (Dimethylamino) acetonitrileC4H8N2
   611 1,4,5,6-TetrahydropyrimidineC4H8N2
   612 PiperazineC4H10N2


ΔHf: -12.8 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
1,2-Propanediamine
 H=-12.81 HR=NIST
  N     0.03406739 +1  -0.03750886 +1   0.02700633 +1
  C     1.49656044 +1   0.12770712 +1   0.15572079 +1
  C     1.94982734 +1   1.59518872 +1   0.16388174 +1
  C     1.94040127 +1  -0.57316042 +1   1.47200461 +1
  N     1.55764128 +1  -1.99564612 +1   1.52616894 +1
  H    -0.46505941 +1   0.39821671 +1   0.78562072 +1
  H    -0.31441638 +1   0.33019319 +1  -0.84290702 +1
  H     1.96582708 +1  -0.39855243 +1  -0.71570274 +1
  H     1.51648849 +1   2.15323113 +1   1.00030424 +1
  H     3.04022560 +1   1.67160619 +1   0.24891065 +1
  H     1.66021938 +1   2.10872021 +1  -0.75900243 +1
  H     3.04129239 +1  -0.49329111 +1   1.58906464 +1
  H     1.48923006 +1  -0.06537798 +1   2.35158182 +1
  H     0.55830489 +1  -2.09616984 +1   1.39469501 +1
  H     2.01317648 +1  -2.52454676 +1   0.79857229 +1