Accuracy

2-methyl heptane    257 2-Methyl heptane

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    #  Species Formula
   247 EthylcyclohexaneC8H16
   248 2,2,3,3-Tetramethyl butaneC8H18
   249 2,2,3-Trimethyl pentaneC8H18
   250 2,2,4-Trimethyl pentaneC8H18
   251 2,2-Dimethyl hexaneC8H18
   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 heptane C8H18
   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 pentaneC8H18
   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


ΔHf: -51.5 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-Methyl heptane
 HR=NIST H=-51.50
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.52910662 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.53435943 +1  110.9446230 +1    0.0000000 +0     2     1     0
  C     1.53383479 +1  110.7353514 +1  179.7273988 +1     3     2     1
  C     1.53358595 +1  110.6618577 +1  179.4349180 +1     4     3     2
  C     1.54054692 +1  111.7097148 +1  177.1724485 +1     5     4     3
  C     1.53325502 +1  111.1011985 +1   72.3328816 +1     6     5     4
  C     1.53492823 +1  109.6512367 +1  121.4962948 +1     6     5     7
  H     1.09557877 +1  111.4538966 +1  -59.8195848 +1     1     2     3
  H     1.09560648 +1  111.4366218 +1  120.1049603 +1     1     2     9
  H     1.09546903 +1  111.2215893 +1  119.9392327 +1     1     2    10
  H     1.10636186 +1  109.9148295 +1  121.9996632 +1     2     1     3
  H     1.10639887 +1  109.9118874 +1  116.0863206 +1     2     1    12
  H     1.10585996 +1  109.9274675 +1  121.9683066 +1     3     2     4
  H     1.10589408 +1  109.9376007 +1  116.0899598 +1     3     2    14
  H     1.10595498 +1  109.9581017 +1  121.9417908 +1     4     3     5
  H     1.10591525 +1  109.9219799 +1  116.1746111 +1     4     3    16
  H     1.10521021 +1  110.1138689 +1  122.5860501 +1     5     4     6
  H     1.10669856 +1  109.4835309 +1  115.8199014 +1     5     4    18
  H     1.11667657 +1  108.7361564 +1  118.7416315 +1     6     5     8
  H     1.09526838 +1  111.3701052 +1  -61.1429345 +1     7     6     5
  H     1.09506783 +1  111.4780207 +1  120.0945276 +1     7     6    21
  H     1.09513503 +1  111.2243634 +1  120.0504413 +1     7     6    22
  H     1.09504417 +1  111.4098704 +1  -60.8957660 +1     8     6     5
  H     1.09494155 +1  111.4264532 +1  120.3227211 +1     8     6    24
  H     1.09523032 +1  111.1577474 +1  119.8460667 +1     8     6    25