PM7 Accuracy

3,3-diethylpentane    274 3,3-Diethylpentane

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    #  Species Formula
   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 styreneC9H10
   271 Cyclopropyl benzeneC9H10
   272 1,3,5-Trimethyl cyclohexaneC9H18
   273 cis-cis-trans-1,3,5-Trimethyl cyclohexaneC9H18
   274 3,3-Diethylpentane C9H20
   275 n-NonaneC9H20
   276 Tri-isopropylboraneH21BC9
   277 TripropylboraneH21BC9
   278 AzuleneC10H8
   279 Naphthalene (Geo)C10H8
   280 NaphthaleneC10H8
   281 1,4-Dicyclopropylbuta-1,3-diyneC10H10
   282 1-Butynl benzeneC10H10
   283 2a,4a,6a,6b-TetrahydrocyclopentapentaleneC10H10
   284 BulvaleneC10H10


DHf: -55.4 kcal/mol,     REF: J. O. Cox, G. Pilcher, "Thermochemistry of Organic and Organometallic Compounds," Academic Press, New York, N.Y., 1970.
  
 SYMMETRY PM7
3,3-Diethylpentane
 H=-55.41,0.44 HR=C&P1970
  C    -0.06302757  1   0.03178139  1   0.03108197  1
  C     1.46558728  1   0.01554531  1   0.03851511  1
  C     2.12173751  1   1.41867365  1   0.07845612  1
  C     3.65321626  1   1.24123968  1   0.22787345  1
  C     4.32602058  1   0.54752771  1  -0.95666557  1
  C     1.59932908  1   2.24934294  1   1.27684586  1
  C     1.79464016  1   1.58473937  1   2.63969585  1
  C     1.76922460  1   2.16401479  1  -1.23286249  1
  C     2.43650289  1   3.53090050  1  -1.38797016  1
  H     5.40470305  1   0.45036562  1  -0.79008293  1
  H     4.18683212  1   1.11037817  1  -1.88657179  1
  H     3.92681072  1  -0.45980675  1  -1.11693269  1
  H     3.86156743  1   0.66611541  1   1.15092768  1
  H     4.11826170  1   2.23311138  1   0.38591407  1
  H     1.82308217  1  -0.57548791  1   0.90350993  1
  H     1.82746234  1  -0.52562499  1  -0.85727944  1
  H    -0.46270748  1  -0.98855204  1   0.01715527  1
  H    -0.45994143  1   0.55097635  1  -0.84728668  1
  H    -0.46660016  1   0.52979386  1   0.91978042  1
  H     1.36543353  1   2.20007870  1   3.43824753  1
  H     2.85484339  1   1.43921814  1   2.87207398  1
  H     1.30785561  1   0.60405800  1   2.68447700  1
  H     0.52423316  1   2.46555827  1   1.12444856  1
  H     2.10256221  1   3.23567321  1   1.27927046  1
  H     2.17988923  1   3.97807090  1  -2.35527837  1
  H     3.52862073  1   3.45727127  1  -1.33944806  1
  H     2.11631120  1   4.23015461  1  -0.60869189  1
  H     0.67079640  1   2.28949361  1  -1.29240891  1
  H     2.04121566  1   1.52495161  1  -2.09536536  1