Accuracy

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

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    #  Species Formula
   180 1,5-HexadieneC6H10
   181 1-Methyl cyclopenteneC6H10
   182 3-Methyl cyclopenteneC6H10
   183 4-Methyl cyclopenteneC6H10
   184 BicyclopropylC6H10
   185 Cyclohexene (Geo)C6H10
   186 CyclohexeneC6H10
   187 Cyclohexyl, cationC6H11
   188 1-HexeneC6H12
   189 2,3-Dimethyl-1-buteneC6H12
   190 2,3-Dimethyl-2-butene C6H12
   191 (Z)-3-Methyl-2-penteneC6H12
   192 4-Methyl-1-penteneC6H12
   193 Cyclohexane (Geo)C6H12
   194 CyclohexaneC6H12
   195 2,2-Dimethyl butaneC6H14
   196 2,3-Dimethyl butaneC6H14
   197 2-Methyl pentaneC6H14
   198 3-Methyl pentaneC6H14
   199 n-HexaneC6H14
   200 Phenyl lithiumH5LiC6


ΔHf: -16.8 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-2-butene
 H=-16.8 HR=NIST
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.49673844 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.34240917 +1  123.9462904 +1    0.0000000 +0     2     1     0
  C     1.49671707 +1  123.8539408 +1 -179.9488152 +1     3     2     1
  C     1.49672021 +1  112.1185325 +1 -179.9442803 +1     2     1     3
  C     1.49643335 +1  123.9298876 +1  179.9679282 +1     3     2     4
  H     1.09906243 +1  110.9350424 +1  119.8685754 +1     1     2     3
  H     1.09911850 +1  110.9570993 +1  119.4056769 +1     1     2     7
  H     1.09701591 +1  113.5423553 +1  120.2465336 +1     1     2     8
  H     1.09904498 +1  110.9379565 +1  119.8454876 +1     4     3     2
  H     1.09907244 +1  110.9687612 +1  119.4456909 +1     4     3    10
  H     1.09708615 +1  113.5045228 +1  120.2236883 +1     4     3    11
  H     1.09908470 +1  110.9750474 +1  -59.7862482 +1     5     2     1
  H     1.09912230 +1  110.9594081 +1  119.4379959 +1     5     2    13
  H     1.09714968 +1  113.5119900 +1  120.2295214 +1     5     2    14
  H     1.09909144 +1  110.9535123 +1  120.2034384 +1     6     3     2
  H     1.09911236 +1  110.9445363 +1  119.4532409 +1     6     3    16
  H     1.09708754 +1  113.5215498 +1  120.2186836 +1     6     3    17