Accuracy

4-methyl heptane    264 4-Methyl heptane

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    #  Species Formula
   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 pentaneC8H18
   263 3-Methyl heptaneC8H18
   264 4-Methyl heptane C8H18
   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
   273 n-NonaneC9H20
   274 Tri-isopropylboraneH21BC9


ΔHf: -50.7 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
4-Methyl heptane
 HR=NIST H=-50.69
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.52948428 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.53427933 +1  110.8325918 +1    0.0000000 +0     2     1     0
  C     1.54173083 +1  111.7247376 +1 -177.4686588 +1     3     2     1
  C     1.54154955 +1  109.3996379 +1  165.4251801 +1     4     3     2
  C     1.53461173 +1  111.7675211 +1 -165.3624654 +1     5     4     3
  C     1.52868017 +1  110.8163330 +1  177.5897422 +1     6     5     4
  C     1.53314882 +1  110.5656434 +1  122.0525011 +1     4     3     5
  H     1.09558204 +1  111.4119317 +1  -59.2099277 +1     1     2     3
  H     1.09555884 +1  111.4474460 +1  120.1027779 +1     1     2     9
  H     1.09542666 +1  111.1951094 +1  119.9549857 +1     1     2    10
  H     1.10615639 +1  109.8255363 +1  122.0836781 +1     2     1     3
  H     1.10637357 +1  109.8966871 +1  116.0288316 +1     2     1    12
  H     1.10654198 +1  109.2292727 +1  121.7931008 +1     3     2     4
  H     1.10513401 +1  110.0834513 +1  115.6468490 +1     3     2    14
  H     1.11628024 +1  108.5468279 +1  119.4950578 +1     4     3     8
  H     1.10666913 +1  109.7834651 +1  121.4587253 +1     5     4     6
  H     1.10508196 +1  109.9445544 +1  115.8875470 +1     5     4    17
  H     1.10627661 +1  110.0647973 +1  121.9094707 +1     6     5     7
  H     1.10630048 +1  109.9605908 +1  116.2135247 +1     6     5    19
  H     1.09560079 +1  111.4524992 +1  -60.7644679 +1     7     6     5
  H     1.09564158 +1  111.4142100 +1  120.1426490 +1     7     6    21
  H     1.09554705 +1  111.1949790 +1  119.9267553 +1     7     6    22
  H     1.09526402 +1  111.3535316 +1  179.1747121 +1     8     4     3
  H     1.09512478 +1  111.4645765 +1  120.1034448 +1     8     4    24
  H     1.09525800 +1  111.3503075 +1  120.1072624 +1     8     4    25