Accuracy

3,3,4,4-tetramethylhexane    311 3,3,4,4-Tetramethylhexane

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    #  Species Formula
   301 4-Methyl-1-(1-methylethyl)-cyclohexeneC10H18
   302 cis-DecalinC10H18
   303 Spiro(4-5)decaneC10H18
   304 trans-DecalinC10H18
   305 (E)-2,2,5,5-Tetramethyl-3-hexeneC10H20
   306 (Z)-2,2,5,5-Tetramethyl-3-hexeneC10H20
   307 1-DeceneC10H20
   308 Butyl cyclohexaneC10H20
   309 Pentyl cyclopentaneC10H20
   310 2,2,5,5-TetramethylhexaneC10H22
   311 3,3,4,4-Tetramethylhexane C10H22
   312 n-DecaneC10H22
   313 PentamethylbenzeneC11H16
   314 1,1,4-TrimethylcycloheptaneC11H22
   315 Hexyl cyclopentaneC11H22
   316 Pentyl cyclohexaneC11H22
   317 UndecaneC11H24
   318 AcenaphthyleneC12H8
   319 BiphenyleneC12H8
   320 AcenaphtheneC12H10
   321 BiphenylC12H10


ΔHf: -63.5 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
3,3,4,4-Tetramethylhexane
 H=-63.46 HR=NIST
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.52991513 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.55182165 +1  114.6000787 +1    0.0000000 +0     2     1     0
  C     1.58061520 +1  109.8620507 +1 -178.8703929 +1     3     2     1
  C     1.55205135 +1  109.9206042 +1 -178.6326940 +1     4     3     2
  C     1.53019123 +1  114.5506184 +1 -178.4224071 +1     5     4     3
  C     1.53927011 +1  108.9373715 +1  121.0410646 +1     3     2     4
  C     1.53951551 +1  108.8153301 +1  117.8977381 +1     3     2     7
  C     1.53944424 +1  110.4992347 +1  120.0564586 +1     4     3     5
  C     1.53951304 +1  110.3506731 +1  119.7484111 +1     4     3     9
  H     1.09501048 +1  111.8392114 +1  -59.6355946 +1     1     2     3
  H     1.09508753 +1  111.7879270 +1  120.9150303 +1     1     2    11
  H     1.09617719 +1  110.6307354 +1  119.5250096 +1     1     2    12
  H     1.10690192 +1  108.7074072 +1 -122.6273125 +1     2     1     3
  H     1.10696814 +1  108.6638536 +1 -114.9063477 +1     2     1    14
  H     1.10671990 +1  109.2689717 +1  122.1969895 +1     5     4     6
  H     1.10671730 +1  109.2697537 +1  115.6361633 +1     5     4    16
  H     1.09492892 +1  111.8079006 +1  -59.6585379 +1     6     5     4
  H     1.09498660 +1  111.7761680 +1  120.9237137 +1     6     5    18
  H     1.09614199 +1  110.6256522 +1  119.5087042 +1     6     5    19
  H     1.09433051 +1  111.5442164 +1  -55.3004572 +1     7     3     2
  H     1.09413950 +1  111.9226226 +1 -120.9698321 +1     7     3    21
  H     1.09569122 +1  111.0340300 +1 -119.2961061 +1     7     3    22
  H     1.09420709 +1  111.5624628 +1   57.2453565 +1     8     3     2
  H     1.09393034 +1  111.9393355 +1  121.1346463 +1     8     3    24
  H     1.09579515 +1  110.9940157 +1  119.2131297 +1     8     3    25
  H     1.09422575 +1  111.5757564 +1  -63.2820203 +1     9     4     3
  H     1.09395182 +1  111.9373626 +1  121.1408475 +1     9     4    27
  H     1.09577394 +1  111.0108402 +1  119.2061922 +1     9     4    28
  H     1.09401494 +1  111.9155972 +1  -55.5213273 +1    10     4     3
  H     1.09424689 +1  111.5213016 +1  121.0888570 +1    10     4    30
  H     1.09566174 +1  111.0808772 +1  119.6827444 +1    10     4    31