PM7 Accuracy

1,1'-(1,1,2,2-tetramethyl-1,2-ethanediyl)bis-benzene    384 1,1'-(1,1,2,2-Tetramethyl-1,2-ethanediyl)bis-benzene

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    #  Species Formula
   374 1-HexadeceneC16H32
   375 DecylcyclohexaneC16H32
   376 n-UndecylcyclopentaneC16H32
   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-benzene C18H22
   385 DodecylcyclohexaneC18H36
   386 n-TridecylcyclopentaneC18H36
   387 1,1,2,2-Tetra-t-butylethaneC18H38
   388 OctadecaneC18H38
   389 TriphenylboraneH15BC18
   390 TricyclohexylboraneH33BC18
   391 Tri-n-hexylboraneH39BC18
   392 2,6-Diphenyl-1,6-heptadieneC19H20
   393 n-TetradecylcyclopentaneC19H38
   394 n-TridecylcyclohexaneC19H38


DHf: 13.7 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
1,1'-(1,1,2,2-Tetramethyl-1,2-ethanediyl)bis-benzene
 H=13.7 HR=NIST
  C     0.00000000  0    0.0000000  0    0.0000000  0     0     0     0
  C     1.39879729  1    0.0000000  0    0.0000000  0     1     0     0
  C     1.39276109  1  120.8597446  1    0.0000000  0     2     1     0
  C     1.39257043  1  120.2397175  1    0.1321617  1     3     2     1
  C     1.39263994  1  119.4218247  1    0.0034804  1     4     3     2
  C     1.39268739  1  120.2456418  1   -0.0674669  1     5     4     3
  C     1.51867547  1  120.8051319  1 -179.6346109  1     1     2     3
  C     1.54205910  1  110.1736335  1  -32.2148302  1     7     1     2
  C     1.54208171  1  110.1565773  1 -116.1076465  1     7     1     8
  C     1.57761623  1  109.1193094  1 -121.9415126  1     7     1     9
  C     1.54223166  1  110.8645417  1  -58.4098967  1    10     7     1
  C     1.54206657  1  110.9059724  1  116.9564349  1    10     7    11
  C     1.51858405  1  109.1263932  1  121.5197296  1    10     7    12
  C     1.39884729  1  120.8391133  1   89.6912377  1    13    10     7
  C     1.39261186  1  120.8814552  1 -179.5464731  1    14    13    10
  C     1.39257762  1  120.2437597  1    0.0918914  1    15    14    13
  C     1.39255408  1  119.4152015  1    0.0202198  1    16    15    14
  C     1.39279477  1  120.2409821  1   -0.0545486  1    17    16    15
  H     1.08848686  1  120.3310037  1  179.9191271  1     2     1     3
  H     1.08802170  1  119.7856514  1  179.9931356  1     3     2     4
  H     1.08678281  1  120.2874032  1 -179.9772047  1     4     3     5
  H     1.08802220  1  119.9776868  1 -179.9331254  1     5     4     6
  H     1.08851809  1  118.8081594  1  179.8982565  1     6     5     4
  H     1.09724626  1  111.0714796  1 -172.2068361  1     8     7     1
  H     1.09328306  1  112.8362353  1 -120.0367924  1     8     7    24
  H     1.09621497  1  110.6610694  1 -120.8017578  1     8     7    25
  H     1.09723977  1  111.0716553  1  172.1304507  1     9     7     1
  H     1.09329253  1  112.8308140  1  120.0335537  1     9     7    27
  H     1.09620398  1  110.6614880  1  120.8036572  1     9     7    28
  H     1.09728330  1  111.0724753  1   66.8878721  1    11    10     7
  H     1.09324759  1  112.8238735  1 -120.0243543  1    11    10    30
  H     1.09615435  1  110.6596024  1 -120.7917749  1    11    10    31
  H     1.09728102  1  111.0768421  1  -66.9761410  1    12    10     7
  H     1.09327600  1  112.8221983  1  120.0343021  1    12    10    33
  H     1.09617487  1  110.6602250  1  120.7850384  1    12    10    34
  H     1.08851735  1  120.3278629  1  179.9092093  1    14    13    15
  H     1.08804652  1  119.7908632  1 -179.9970756  1    15    14    16
  H     1.08673154  1  120.2877446  1 -179.9844968  1    16    15    17
  H     1.08801175  1  119.9793548  1 -179.9434005  1    17    16    18
  H     1.08852081  1  118.7924960  1  179.8696903  1    18    17    16