PM7 Accuracy

tetramethyldiazetine    631 Tetramethyldiazetine

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    #  Species Formula
   621 ButylmethyldiazeneC5H12N2
   622 ButylmethyldiazineC5H12N2
   623 N,N-Dimethyl-1,3-propanediamineC5H14N2
   624 2-CyanopyridineC6H4N2
   625 3-CyanopyridineC6H4N2
   626 4-CyanopyridineC6H4N2
   627 2,3-Dimethyl pyrazineC6H8N2
   628 HexanedinitrileC6H8N2
   629 PhenylhydrazineC6H8N2
   630 3(Dimethylamino) propanenitrileC6H12N2
   631 Tetramethyldiazetine C6H12N2
   632 TriethylenediamineC6H12N2
   633 1,2-DiisopropyldiazeneC6H14N2
   634 DipropyldiazeneC6H14N2
   635 1H-BenzimidazoleC7H6N2
   636 1H-IndazoleC7H6N2
   637 1-Methyl-1-phenylhydrazineC7H10N2
   638 t-ButylmalononitrileC7H10N2
   639 Trimethyl pyrazineC7H10N2
   640 1-PiperidineacetonitrileC7H12N2
   641 3,3,5,5-Tetramethyl-1-pyrazolineC7H14N2


DHf: 35.9 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.
  
 PM7
Tetramethyldiazetine
 H=35.9 HR=NIST
  C     0.00000000  0    0.0000000  0    0.0000000  0     0     0     0
  C     1.64263847  1    0.0000000  0    0.0000000  0     1     0     0
  N     1.53522079  1   82.6097556  1    0.0000000  0     2     1     0
  N     1.24773197  1   97.3970691  1    0.0009657  1     3     2     1
  C     1.50846236  1  116.2706612  1 -111.8674038  1     2     1     3
  C     1.50832601  1  116.3184835  1 -111.8701076  1     1     2     3
  C     1.50836614  1  116.2595113  1 -136.2301416  1     1     2     6
  C     1.50837973  1  116.2976361  1 -136.2136222  1     2     1     5
  H     1.09707620  1  111.2944942  1  -71.7915422  1     5     2     1
  H     1.09836729  1  112.6412746  1  121.1853329  1     5     2     9
  H     1.10054029  1  111.0137450  1  118.9517104  1     5     2    10
  H     1.09711875  1  111.2958210  1  -71.9964264  1     6     1     2
  H     1.09840080  1  112.6476396  1  121.2134894  1     6     1    12
  H     1.10058856  1  111.0092566  1  118.9427287  1     6     1    13
  H     1.09710012  1  111.2910746  1   71.6573175  1     7     1     2
  H     1.09840566  1  112.6403351  1 -121.1824012  1     7     1    15
  H     1.10053087  1  111.0216541  1 -118.9516748  1     7     1    16
  H     1.09846146  1  112.6182885  1  -49.0026784  1     8     2     1
  H     1.09715435  1  111.2820017  1  120.9664922  1     8     2    18
  H     1.10036628  1  111.0349286  1  119.9666688  1     8     2    19