Accuracy

3-ethyl-3-methyl pentane    262 3-Ethyl-3-methyl pentane

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    #  Species Formula
   252 2,3,3-Trimethyl pentaneC8H18
   253 2,3,4-Trimethyl pentaneC8H18
   254 2,3-Dimethyl hexaneC8H18
   255 2,4-Dimethyl hexaneC8H18
   256 2,5-Dimethyl hexaneC8H18
   257 2-Methyl heptaneC8H18
   258 3,3-Dimethyl hexaneC8H18
   259 3,4-Dimethyl hexaneC8H18
   260 3-Ethyl hexaneC8H18
   261 3-Ethyl-2-methyl pentaneC8H18
   262 3-Ethyl-3-methyl pentane C8H18
   263 3-Methyl heptaneC8H18
   264 4-Methyl heptaneC8H18
   265 n-OctaneC8H18
   266 Li(I)4(Et)4 (ETHYLI) (Geo)C8H20Li4
   267 Li(I)4(Et)4 (ETHYLI)C8H20Li4
   268 alpha-Methyl styreneC9H10
   269 Cyclopropyl benzeneC9H10
   270 1,3,5-Trimethyl cyclohexaneC9H18
   271 cis-cis-trans-1,3,5-Trimethyl cyclohexaneC9H18
   272 3,3-DiethylpentaneC9H20


ΔHf: -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