Accuracy

tetramethylbutanedinitrile    646 Tetramethylbutanedinitrile

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    #  Species Formula
   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 QuinoxalineC8H6N2
   645 n-PentylmalonodinitrileC8H12N2
   646 Tetramethylbutanedinitrile C8H12N2
   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
   655 6-QuinolinamineC9H8N2
   656 8-QuinolinamineC9H8N2


ΔHf: 24.1 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
Tetramethylbutanedinitrile
 H=24.05 HR=NIST
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.53707285 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.53660022 +1  108.9881203 +1    0.0000000 +0     1     2     0
  C     1.57386667 +1  111.1250821 +1  122.8070015 +1     1     2     3
  C     1.53674246 +1  111.2127580 +1  179.9670938 +1     4     1     2
  C     1.53695028 +1  111.2206193 +1 -121.6746626 +1     4     1     5
  C     1.45940413 +1  108.6918920 +1 -119.2271013 +1     4     1     6
  N     1.15611102 +1  143.4339478 +1 -179.9815017 +1     7     1     4
  C     1.45906667 +1  108.3911396 +1  119.4093193 +1     1     2     4
  N     1.15615984 +1  142.7591855 +1 -179.2198982 +1     9     2     1
  H     1.09644874 +1  112.3543413 +1  175.0202766 +1     2     1     3
  H     1.09807115 +1  111.3859712 +1  120.7557191 +1     2     1    11
  H     1.09825121 +1  111.2923611 +1  119.3754881 +1     2     1    12
  H     1.09653915 +1  112.3556944 +1 -174.9591057 +1     3     1     2
  H     1.09815129 +1  111.3887439 +1 -120.7516248 +1     3     1    14
  H     1.09832270 +1  111.3084820 +1 -119.3845269 +1     3     1    15
  H     1.09803427 +1  111.3785054 +1  -59.3646946 +1     5     4     1
  H     1.09635350 +1  112.3863575 +1  120.9457770 +1     5     4    17
  H     1.09838665 +1  111.2731431 +1  119.7929354 +1     5     4    18
  H     1.09799813 +1  111.3808933 +1   59.4256794 +1     6     4     1
  H     1.09631323 +1  112.3839583 +1 -120.9601342 +1     6     4    20
  H     1.09835267 +1  111.2643878 +1 -119.7922040 +1     6     4    21