PM7 Accuracy

1,1'-diphenyl-1,1'-bicyclopentyl    410 1,1'-Diphenyl-1,1'-bicyclopentyl

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    #  Species Formula
   400 1,3,5-Tri-tert-butyl pentaleneC20H30
   401 HexacyclopropylethaneC20H30
   402 Tetra-tert-butyltetrahedraneC20H36
   403 Meso-3,4-dicyclohexyl-2,5-dimethylhexaneC20H38
   404 TetradecylcyclohexaneC20H40
   405 EicosaneC20H42
   406 1,8-ParacyclophaneC21H26
   407 HexadecylcyclopentaneC21H42
   408 PentadecylcyclohexaneC21H42
   409 Tri-n-heptylboraneH45BC21
   410 1,1'-Diphenyl-1,1'-bicyclopentyl C22H26
   411 DL-3,4-di-1-cyclohexen-1-yl-2,2,5,5-tetramethyl hexaneC22H38
   412 Meso-3,4-di-1-cyclohexen-1-yl-2,2,5,5-tetramethyl hexaneC22H38
   413 n-HexadecylcyclohexaneC22H44
   414 p-QuaterphenylC24H18
   415 1,1'-Diphenyl-1,1'-bicyclohexylC24H30
   416 6,6'-ParacyclophaneC24H32
   417 Tri-n-octylboraneH51BC24
   418 TetraphenylmethaneC25H20
   419 9,9'-Bi-9H-fluoreneC26H18
   420 1,1,1,2-TetraphenylethaneC26H22


DHf: 26.6 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'-Diphenyl-1,1'-bicyclopentyl
 H=26.6 HR=NIST
  C     0.00000000  0    0.0000000  0    0.0000000  0     0     0     0
  C     1.53750751  1    0.0000000  0    0.0000000  0     1     0     0
  C     1.55400730  1  107.9528821  1    0.0000000  0     2     1     0
  C     1.53642181  1  107.0047802  1  -14.9441787  1     1     2     3
  C     1.55369662  1  102.9574897  1   25.6910722  1     3     2     1
  C     1.51794733  1  110.0551213  1  143.1342543  1     3     2     1
  C     1.56687403  1  112.0400358  1  -94.4958288  1     3     2     1
  C     5.66441825  1   19.0771621  1  -66.9125451  1     1     2     3
  C     1.39260435  1  114.4411884  1  141.7346550  1     8     1     2
  C     1.39903187  1  120.7955878  1   34.2651636  1     6     3     2
  C     1.39274312  1  119.4577099  1   -0.0350428  1     9     8    10
  C     1.39935812  1  120.7921387  1 -145.8759223  1     6     3     2
  C     1.55633941  1  112.6865072  1 -176.8803164  1     7     3     2
  C     1.53884512  1  104.8154332  1  161.5053091  1    13     7     3
  C     1.54261305  1  105.6909288  1  -27.6237448  1    14    13     7
  C     1.55642413  1  112.9906707  1  -64.4526102  1     7     3     2
  C     1.51919782  1  110.5545140  1   59.2609276  1     7     3     2
  C     1.39956722  1  120.9011225  1  -88.7026252  1    17     7     3
  C     1.39236841  1  121.0763925  1 -179.1631902  1    18    17     7
  C     1.39963667  1  121.0816228  1   91.9416114  1    17     7     3
  C     1.39249597  1  121.0597660  1  179.1775558  1    20    17     7
  C     1.39226648  1  120.2557470  1   -0.0733829  1    19    18    17
  H     1.10375838  1  110.9685337  1  105.7739353  1     1     2     3
  H     1.10145788  1  110.8743761  1 -136.5396686  1     1     2     3
  H     1.10586538  1  109.0326641  1  104.5006850  1     2     1     4
  H     1.09894892  1  111.5795518  1 -138.1226729  1     2     1     4
  H     1.10430733  1  110.5323007  1  118.4176637  1     4     1     2
  H     1.10112355  1  111.4854034  1 -123.7942953  1     4     1     2
  H     1.09898073  1  111.8648185  1 -150.1884602  1     5     3     2
  H     1.10612328  1  109.9556814  1   91.5227250  1     5     3     2
  H     1.08815142  1  119.9966305  1 -179.9871672  1     8     9    11
  H     1.08662826  1  120.2654876  1  179.9658533  1     9     8    10
  H     1.08917908  1  120.3110130  1   -0.0294447  1    10     6     3
  H     1.08820865  1  119.9660015  1  179.9829945  1    11     9     8
  H     1.08912086  1  120.3007723  1   -0.2168424  1    12     6     3
  H     1.10442386  1  110.4341831  1   43.7541860  1    13     7     3
  H     1.09653921  1  113.5253210  1  -75.2528215  1    13     7     3
  H     1.10268556  1  110.7300215  1   92.2638171  1    14    13     7
  H     1.09985447  1  111.3682481  1 -149.2204039  1    14    13     7
  H     1.10218766  1  110.7096895  1  122.5461677  1    15    14    13
  H     1.10020829  1  111.5975174  1 -118.8382491  1    15    14    13
  H     1.10387874  1  110.3397317  1  -41.7831044  1    16     7     3
  H     1.09682256  1  113.4776016  1   77.1667555  1    16     7     3
  H     1.08901728  1  120.2638667  1    0.9573052  1    18    17     7
  H     1.08790640  1  119.7441995  1  179.8741397  1    19    18    17
  H     1.08898697  1  120.3098454  1   -0.9578832  1    20    17     7
  H     1.08797909  1  119.7397042  1 -179.8936931  1    21    20    17
  H     1.08638692  1  120.3267068  1  179.8859929  1    22    19    18