PM7 Accuracy

3,4,5,6-tetrahydro-3,3,6,6-tetramethylpyridazine    652 3,4,5,6-Tetrahydro-3,3,6,6-tetramethylpyridazine

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    #  Species Formula
   642 m-DicyanobenzeneC8H4N2
   643 o-DicyanobenzeneC8H4N2
   644 p-DicyanobenzeneC8H4N2
   645 PhthalazineC8H6N2
   646 QuinazolineC8H6N2
   647 QuinoxalineC8H6N2
   648 n-PentylmalonodinitrileC8H12N2
   649 TetramethylbutanedinitrileC8H12N2
   650 TetramethylpyrazineC8H12N2
   651 1,4-Dimethyl-2,3-diaza-bicyclo[2.2.2]oct-2-eneC8H14N2
   652 3,4,5,6-Tetrahydro-3,3,6,6-tetramethylpyridazine C8H16N2
   653 Di-n-butyldiazeneC8H18N2
   654 Di-tert-butyldiazeneC8H18N2
   655 1,2-DibutylhydrazineC8H20N2
   656 3-QuinolinamineC9H8N2
   657 5-QuinolinamineC9H8N2
   658 6-QuinolinamineC9H8N2
   659 8-QuinolinamineC9H8N2
   660 2-(Diethylamino)-pentanenitrileC9H18N2
   661 2,2-BipyridylC10H8N2
   662 2,4-BipyridylC10H8N2


DHf: 10.0 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
3,4,5,6-Tetrahydro-3,3,6,6-tetramethylpyridazine
 H=10.0 HR=NIST
  C     0.00000000  0    0.0000000  0    0.0000000  0     0     0     0
  C     1.54401682  1    0.0000000  0    0.0000000  0     1     0     0
  C     1.53059420  1  110.8963474  1    0.0000000  0     2     1     0
  C     1.54371782  1  110.9484920  1  -54.3244414  1     3     2     1
  N     1.48913342  1  112.3400054  1   40.8081500  1     4     3     2
  N     1.21557792  1  125.4753982  1  -14.2420528  1     5     4     3
  C     1.53615584  1  110.0474874  1  158.7508661  1     1     2     3
  C     1.53631550  1  111.0277913  1  122.4048175  1     1     2     7
  C     1.53651755  1  110.9997891  1 -119.5340187  1     4     3     5
  C     1.53598191  1  110.1180464  1 -122.3989273  1     4     3     9
  H     1.10666095  1  110.0573174  1 -121.8467072  1     2     1     3
  H     1.10489162  1  110.0074322  1 -115.8180895  1     2     1    11
  H     1.10493680  1  110.3048203  1 -122.1880248  1     3     2     4
  H     1.10685706  1  109.8902885  1 -115.8759532  1     3     2    13
  H     1.09601567  1  111.6644048  1  -60.6391999  1     7     1     2
  H     1.09884212  1  110.8259593  1 -118.8709801  1     7     1    15
  H     1.09411652  1  111.1594371  1 -120.1504212  1     7     1    16
  H     1.09888867  1  110.9233969  1  174.3314190  1     8     1     2
  H     1.09529531  1  111.7141739  1 -119.4635534  1     8     1    18
  H     1.09468624  1  111.0977694  1 -120.6983527  1     8     1    19
  H     1.09513315  1  111.7217910  1   54.5741255  1     9     4     3
  H     1.09883626  1  110.9243181  1  119.5343024  1     9     4    21
  H     1.09469871  1  111.0830639  1  119.7887089  1     9     4    22
  H     1.09886146  1  110.8271162  1 -179.5757902  1    10     4     3
  H     1.09608650  1  111.6656809  1  118.8298274  1    10     4    24
  H     1.09411164  1  111.1633206  1  120.9930958  1    10     4    25