Accuracy

quinoxaline    644 Quinoxaline

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    #  Species Formula
   634 1-Methyl-1-phenylhydrazineC7H10N2
   635 t-ButylmalononitrileC7H10N2
   636 Trimethyl pyrazineC7H10N2
   637 1-PiperidineacetonitrileC7H12N2
   638 3,3,5,5-Tetramethyl-1-pyrazolineC7H14N2
   639 m-DicyanobenzeneC8H4N2
   640 o-DicyanobenzeneC8H4N2
   641 p-DicyanobenzeneC8H4N2
   642 PhthalazineC8H6N2
   643 QuinazolineC8H6N2
   644 Quinoxaline C8H6N2
   645 n-PentylmalonodinitrileC8H12N2
   646 TetramethylbutanedinitrileC8H12N2
   647 TetramethylpyrazineC8H12N2
   648 1,4-Dimethyl-2,3-diaza-bicyclo[2.2.2]oct-2-eneC8H14N2
   649 3,4,5,6-Tetrahydro-3,3,6,6-tetramethylpyridazineC8H16N2
   650 Di-n-butyldiazeneC8H18N2
   651 Di-tert-butyldiazeneC8H18N2
   652 1,2-DibutylhydrazineC8H20N2
   653 3-QuinolinamineC9H8N2
   654 5-QuinolinamineC9H8N2


ΔHf: 57.4 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
Quinoxaline
 H=57.43 HR=NIST
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.37092020 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.41958487 +1  120.9543346 +1    0.0000000 +0     2     1     0
  C     1.37094503 +1  121.0097152 +1    0.0127608 +1     3     2     1
  C     1.42197537 +1  119.3446032 +1   -0.0218293 +1     4     3     2
  C     1.42396256 +1  119.6651707 +1   -0.0197786 +1     5     4     3
  N     1.37734137 +1  120.4768719 +1 -179.9700523 +1     6     5     4
  C     1.31712220 +1  118.0080755 +1   -0.0058050 +1     7     6     5
  C     1.44283237 +1  121.5029357 +1    0.0030894 +1     8     7     6
  N     1.31707867 +1  121.5726401 +1    0.0236230 +1     9     8     7
  H     1.09142227 +1  122.2162948 +1  179.9821724 +1     1     2     3
  H     1.09067258 +1  120.4785982 +1 -179.9874606 +1     2     1     3
  H     1.09077083 +1  118.5432980 +1  179.9934344 +1     3     2     4
  H     1.09140132 +1  122.2399035 +1 -179.9990265 +1     4     3     5
  H     1.09554127 +1  117.7397822 +1 -179.9979261 +1     8     7     9
  H     1.09565175 +1  120.6609628 +1 -179.9991184 +1     9     8    10