PM7 Accuracy

alpha-methyl styrene    270 alpha-Methyl styrene

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    #  Species Formula
   260 3,3-Dimethyl hexaneC8H18
   261 3,4-Dimethyl hexaneC8H18
   262 3-Ethyl hexaneC8H18
   263 3-Ethyl-2-methyl pentaneC8H18
   264 3-Ethyl-3-methyl pentaneC8H18
   265 3-Methyl heptaneC8H18
   266 4-Methyl heptaneC8H18
   267 n-OctaneC8H18
   268 Li(I)4(Et)4 (ETHYLI) (Geo)C8H20Li4
   269 Li(I)4(Et)4 (ETHYLI)C8H20Li4
   270 alpha-Methyl styrene C9H10
   271 Cyclopropyl benzeneC9H10
   272 1,3,5-Trimethyl cyclohexaneC9H18
   273 cis-cis-trans-1,3,5-Trimethyl cyclohexaneC9H18
   274 3,3-DiethylpentaneC9H20
   275 n-NonaneC9H20
   276 Tri-isopropylboraneH21BC9
   277 TripropylboraneH21BC9
   278 AzuleneC10H8
   279 Naphthalene (Geo)C10H8
   280 NaphthaleneC10H8


DHf: 28.3 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
alpha-Methyl styrene
 H=28.27 HR=NIST
  C     0.00000000  0    0.0000000  0    0.0000000  0     0     0     0
  C     1.39634757  1    0.0000000  0    0.0000000  0     1     0     0
  C     1.39297920  1  119.8433034  1    0.0000000  0     2     1     0
  C     1.39383450  1  120.1245432  1   -0.1214750  1     3     2     1
  C     1.39407872  1  119.9816864  1    0.1328234  1     4     3     2
  C     1.39648968  1  120.0773248  1    0.0175971  1     1     2     3
  C     1.47324487  1  120.0146256  1  179.7521667  1     1     2     3
  C     1.49208550  1  114.7503264  1  -78.4057213  1     7     1     2
  C     1.33459154  1  121.7486559  1  101.7348635  1     7     1     2
  H     1.08793444  1  119.9127743  1  179.7217929  1     2     1     6
  H     1.08826519  1  119.8602543  1  179.8247992  1     3     2     1
  H     1.08768193  1  120.0288429  1 -179.9371355  1     4     3     2
  H     1.08825485  1  119.9826472  1  179.9455422  1     5     4     3
  H     1.08813599  1  119.8378798  1 -179.8086153  1     6     1     2
  H     1.09775761  1  112.6207097  1 -179.7078055  1     8     7     1
  H     1.10009133  1  111.1968196  1   59.6761498  1     8     7     1
  H     1.10048454  1  111.0308048  1  -59.2548780  1     8     7     1
  H     1.07728660  1  123.7800672  1 -179.9129272  1     9     7     1
  H     1.07868977  1  123.3310515  1   -0.1104917  1     9     7     1