PM7 Accuracy

1,1,2,2-tetra-t-butylethane    387 1,1,2,2-Tetra-t-butylethane

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    #  Species Formula
   377 n-DodecylcyclopentaneC17H34
   378 UndecylcyclohexaneC17H34
   379 HeptadecaneC17H36
   380 p-TerphenylC18H14
   381 2,5-Diphenyl-1,5-hexadieneC18H18
   382 3,4,5,6-TetramethylphenanthreneC18H18
   383 [3.3]ParacyclophaneC18H20
   384 1,1'-(1,1,2,2-Tetramethyl-1,2-ethanediyl)bis-benzeneC18H22
   385 DodecylcyclohexaneC18H36
   386 n-TridecylcyclopentaneC18H36
   387 1,1,2,2-Tetra-t-butylethane C18H38
   388 OctadecaneC18H38
   389 TriphenylboraneH15BC18
   390 TricyclohexylboraneH33BC18
   391 Tri-n-hexylboraneH39BC18
   392 2,6-Diphenyl-1,6-heptadieneC19H20
   393 n-TetradecylcyclopentaneC19H38
   394 n-TridecylcyclohexaneC19H38
   395 NonadecaneC19H40
   396 9,10-Dihydro-9,10[1',2']benzanthraceneC20H14
   397 3,9-Dimethylbenz[a]anthraceneC20H16


DHf: -59.9 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.
  
 INT PM7
1,1,2,2-Tetra-t-butylethane
 H=-59.9 HR=NIST
  C     0.00000000  0    0.0000000  0    0.0000000  0     0     0     0
  C     1.58641480  1    0.0000000  0    0.0000000  0     1     0     0
  C     1.57342617  1  120.1659412  1    0.0000000  0     2     1     0
  C     1.55491016  1  110.1920935  1  164.1433944  1     3     2     1
  C     1.53496450  1  118.6579920  1  -73.5998921  1     3     2     1
  C     1.54693981  1  109.5039392  1   50.7161110  1     3     2     1
  C     1.59850213  1  113.6004622  1 -142.6729293  1     2     1     3
  C     1.55664153  1  108.2311037  1 -128.7209469  1     7     2     1
  C     1.53458712  1  116.1168789  1  110.4746403  1     7     2     1
  C     1.54822991  1  114.8297408  1  -13.6672465  1     7     2     1
  C     1.57272370  1  120.0458336  1   51.9267582  1     1     2     3
  C     1.55485533  1  110.2023729  1  162.1762041  1    11     1     2
  C     1.53608037  1  118.2400158  1  -75.6199858  1    11     1     2
  C     1.54638438  1  109.4398514  1   48.8509860  1    11     1     2
  C     1.59746377  1  113.7048336  1  -90.4459903  1     1     2     3
  C     1.53481675  1  115.7766717  1  111.1959951  1    15     1     2
  C     1.55662688  1  108.1845125  1 -128.2685115  1    15     1     2
  C     1.54778746  1  115.1224210  1  -13.1318978  1    15     1     2
  H     1.12532114  1  102.9201628  1  162.1905202  1     1     2     3
  H     1.12580581  1  102.8110685  1  110.1163718  1     2     1     3
  H     1.09303532  1  111.6140567  1  -51.9875538  1     4     3     2
  H     1.09340768  1  112.0188802  1   69.7717386  1     4     3     2
  H     1.09510808  1  110.4597060  1 -171.3305791  1     4     3     2
  H     1.09261700  1  112.6299180  1  -72.1477418  1     5     3     2
  H     1.09321885  1  112.5090197  1   36.6865535  1    13    11     1
  H     1.09645673  1  110.7468464  1  169.0262092  1     5     3     2
  H     1.09480024  1  111.5612505  1   65.5462561  1     6     3     2
  H     1.09549812  1  111.6979602  1  -57.8929874  1    16    15     1
  H     1.09371409  1  111.4444140  1 -174.7300065  1     6     3     2
  H     1.09059322  1  112.6631973  1  -66.4677128  1     8     7     2
  H     1.09350749  1  111.3422422  1   54.9086953  1     8     7     2
  H     1.09481144  1  110.8200413  1  174.3106223  1     8     7     2
  H     1.09478610  1  112.1817875  1   63.5319475  1     9     7     2
  H     1.09419992  1  111.5863199  1  -55.9103508  1    14    11     1
  H     1.09605938  1  111.0224515  1 -177.3989698  1     9     7     2
  H     1.09524591  1  112.0552013  1   67.5463417  1    10     7     2
  H     1.09507002  1  111.6925503  1  -54.6517110  1    10     7     2
  H     1.09561290  1  110.7748912  1 -173.6565883  1    10     7     2
  H     1.09329442  1  111.5994061  1  -52.9363470  1    12    11     1
  H     1.09331398  1  112.1872968  1   68.7856187  1    12    11     1
  H     1.09520638  1  110.3770288  1 -172.1981265  1    12    11     1
  H     1.09240387  1  112.5544323  1   49.3771968  1     5     3     2
  H     1.09373445  1  112.4467531  1  -84.4011652  1    13    11     1
  H     1.09617084  1  111.1062533  1  156.7811924  1    13    11     1
  H     1.09538064  1  111.6978862  1  -58.0731396  1     9     7     2
  H     1.09493768  1  111.5202244  1   64.0295895  1    14    11     1
  H     1.09367357  1  111.4619441  1 -176.2809990  1    14    11     1
  H     1.09569490  1  111.5261744  1  -54.4640926  1     6     3     2
  H     1.09426277  1  112.1564128  1   63.6333602  1    16    15     1
  H     1.09606031  1  111.0512946  1 -177.2707575  1    16    15     1
  H     1.09035990  1  112.7424871  1  -61.2362489  1    17    15     1
  H     1.09371866  1  111.2227383  1   59.9465988  1    17    15     1
  H     1.09466655  1  110.8001776  1  179.3515932  1    17    15     1
  H     1.09504485  1  111.7314156  1  -54.0963464  1    18    15     1
  H     1.09474191  1  112.1151829  1   68.1455705  1    18    15     1
  H     1.09577768  1  110.6594999  1 -173.0445861  1    18    15     1