PM7 Accuracy

3-ethyl-3-methyl pentane    264 3-Ethyl-3-methyl pentane

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    #  Species Formula
   254 2,3,3-Trimethyl pentaneC8H18
   255 2,3,4-Trimethyl pentaneC8H18
   256 2,3-Dimethyl hexaneC8H18
   257 2,4-Dimethyl hexaneC8H18
   258 2,5-Dimethyl hexaneC8H18
   259 2-Methyl heptaneC8H18
   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 pentane C8H18
   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 styreneC9H10
   271 Cyclopropyl benzeneC9H10
   272 1,3,5-Trimethyl cyclohexaneC9H18
   273 cis-cis-trans-1,3,5-Trimethyl cyclohexaneC9H18
   274 3,3-DiethylpentaneC9H20


DHf: -51.4 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-Ethyl-3-methyl pentane
 HR=NIST H=-51.38
  C     0.00000000  0    0.0000000  0    0.0000000  0     0     0     0
  C     1.52949629  1    0.0000000  0    0.0000000  0     1     0     0
  C     1.54728847  1  115.5087117  1    0.0000000  0     2     1     0
  C     1.55435026  1  110.9464099  1   91.8023461  1     3     2     1
  C     1.52716331  1  115.0718318  1  -58.2258360  1     4     3     2
  C     1.55849815  1  108.6063767  1  115.6417376  1     3     2     4
  C     1.52839419  1  114.4129161  1   69.0614499  1     6     3     2
  C     1.53262961  1  112.4663196  1  121.2024579  1     3     2     6
  H     1.09458843  1  111.9223938  1  -56.2148766  1     1     2     3
  H     1.09529574  1  111.6270366  1  120.6906506  1     1     2     9
  H     1.09603889  1  110.6974338  1  119.5380989  1     1     2    10
  H     1.10723661  1  109.3306994  1  123.2377140  1     2     1     3
  H     1.10863896  1  108.0608708  1  114.0220984  1     2     1    12
  H     1.10709719  1  109.0613245  1  122.7999260  1     4     3     5
  H     1.10767659  1  108.6018977  1  114.7937754  1     4     3    14
  H     1.09533855  1  111.7399855  1  -54.8380521  1     5     4     3
  H     1.09595686  1  111.4581298  1  120.6331641  1     5     4    16
  H     1.09592224  1  110.8930681  1  119.5702267  1     5     4    17
  H     1.10687645  1  108.9569374  1  122.1612652  1     6     3     7
  H     1.10631054  1  108.9227726  1  115.0124688  1     6     3    19
  H     1.09576138  1  111.8384431  1  -56.5744909  1     7     6     3
  H     1.09545559  1  111.6611586  1  120.4284477  1     7     6    21
  H     1.09592014  1  110.8656890  1  119.7704593  1     7     6    22
  H     1.09509357  1  111.2147078  1 -172.3391849  1     8     3     2
  H     1.09522995  1  111.3673989  1  120.2648424  1     8     3    24
  H     1.09528922  1  111.5482148  1  119.9313963  1     8     3    25