PM7 Accuracy

2,3-dimethyl-1-butene    190 2,3-Dimethyl-1-butene

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    #  Species Formula
   180 1,2-DimethylcyclobuteneC6H10
   181 1,5-HexadieneC6H10
   182 1-Methyl cyclopenteneC6H10
   183 3-Methyl cyclopenteneC6H10
   184 4-Methyl cyclopenteneC6H10
   185 BicyclopropylC6H10
   186 Cyclohexene (Geo)C6H10
   187 CyclohexeneC6H10
   188 Cyclohexyl, cationC6H11
   189 1-HexeneC6H12
   190 2,3-Dimethyl-1-butene C6H12
   191 2,3-Dimethyl-2-buteneC6H12
   192 (Z)-3-Methyl-2-penteneC6H12
   193 4-Methyl-1-penteneC6H12
   194 Cyclohexane (Geo)C6H12
   195 CyclohexaneC6H12
   196 2,2-Dimethyl butaneC6H14
   197 2,3-Dimethyl butaneC6H14
   198 2-Methyl pentaneC6H14
   199 3-Methyl pentaneC6H14
   200 n-HexaneC6H14


DHf: -15.7 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
2,3-Dimethyl-1-butene
 H=-15.74 HR=NIST
  C     0.00000000  0    0.0000000  0    0.0000000  0     0     0     0
  C     1.53450066  1    0.0000000  0    0.0000000  0     1     0     0
  C     1.50948506  1  110.8998823  1    0.0000000  0     2     1     0
  C     1.33496600  1  123.0791847  1  -52.7035781  1     3     2     1
  C     1.53492048  1  110.6959573  1 -121.8223929  1     2     1     3
  C     1.49435493  1  115.0925112  1 -179.6361867  1     3     2     4
  H     1.09576524  1  111.1036235  1  -52.9947709  1     1     2     3
  H     1.09567041  1  111.5956198  1  119.6796303  1     1     2     7
  H     1.09480519  1  111.1837207  1  120.0769383  1     1     2     8
  H     1.12008083  1  107.7550386  1 -118.2183493  1     2     1     5
  H     1.07673462  1  123.6072296  1    0.2838585  1     4     3     2
  H     1.07613867  1  123.8114705  1 -179.8969478  1     4     3    11
  H     1.09603536  1  111.3723983  1   61.5878861  1     5     2     1
  H     1.09554406  1  111.1499170  1  119.6237154  1     5     2    13
  H     1.09474039  1  111.2304252  1  120.2282247  1     5     2    14
  H     1.09896786  1  111.4410013  1   52.7347320  1     6     3     2
  H     1.09973285  1  110.9451393  1 -119.6583268  1     6     3    16
  H     1.09817610  1  112.5690673  1 -119.9525283  1     6     3    17