Accuracy

1h-pyrazole    493 1H-Pyrazole

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    #  Species Formula
   483 HydrazineH4N2
   484 DiazomethaneCH2N2
   485 N=N-CH2-CH2N2
   486 MethylhydrazineCH6N2
   487 Cyanogen (Geo)C2N2
   488 CyanogenC2N2
   489 Dimethyldiazene (Geo)C2H6N2
   490 EthylenediamineC2H8N2
   491 1,1-DimethylhydrazineC2H8N2
   492 1,2-DimethylhydrazineC2H8N2
   493 1H-Pyrazole C3H4N2
   494 ImidazoleC3H4N2
   495 1,2-PropanediamineC3H10N2
   496 DicyanoacetyleneC4N2
   497 FumaronitrileC4H2N2
   498 PyrazineC4H4N2
   499 PyridazineC4H4N2
   500 1,3-DiazineC4H4N2
   501 SuccinonitrileC4H4N2
   502 2-Methyl-1H-imidazoleC4H6N2
   503 (Dimethylamino) acetonitrileC4H8N2


ΔHf: 42.9 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.
  

1H-Pyrazole
 H=42.9 HR=NIST
  N     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.35469026 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.42876657 +1  109.9697649 +1    0.0000000 +0     2     1     0
  C     1.39560107 +1  105.4154696 +1   -0.0087592 +1     3     2     1
  N     1.35503335 +1  106.6203854 +1   -0.0121808 +1     1     2     3
  H     1.07390804 +1  121.9424734 +1 -179.9994571 +1     2     1     3
  H     1.06568276 +1  126.5451395 +1 -179.9995143 +1     3     2     4
  H     1.07099612 +1  130.4688530 +1 -179.9997775 +1     4     3     2
  H     0.99803083 +1  119.1941408 +1  179.9970914 +1     5     1     2