PM7 Accuracy

   288 Dispiro[2.2.2.2]deca-4,9-diene

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    #  Species Formula
   278 AzuleneC10H8
   279 Naphthalene (Geo)C10H8
   280 NaphthaleneC10H8
   281 1,4-Dicyclopropylbuta-1,3-diyneC10H10
   282 1-Butynl benzeneC10H10
   283 2a,4a,6a,6b-TetrahydrocyclopentapentaleneC10H10
   284 BulvaleneC10H10
   285 DiisopropenyldiacetyleneC10H10
   286 Tricyclo[6.2.0.0]deca-1(8),2,6-trieneC10H10
   287 1,2,6,7-CyclodecatetraeneC10H12
   288 Dispiro[2.2.2.2]deca-4,9-diene C10H12
   289 TetralinC10H12
   290 (1-Methylpropyl) benzeneC10H14
   291 (2-Methylpropyl) benzeneC10H14
   292 1,2,3,4-Tetramethyl benzeneC10H14
   293 1,2,3,4-TetramethylfulveneC10H14
   294 1,2,3,5-Tetramethyl benzeneC10H14
   295 1,2,4,5-Tetramethyl benzeneC10H14
   296 tert-Butyl benzeneC10H14
   297 TetrahydrotriquinaceneC10H14
   298 1,2,3,4,5-Pentamethyl-1,3-cyclopentadieneC10H16



DHf: 72.3 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.

  

Dispiro[2.2.2.2]deca-4,9-diene
 H=72.3 HR=NIST
  C    -0.00082660  1  -0.01239140  1   0.00098420  1                     0.0000
  C     1.33812047  1  -0.01193970  1   0.01068480  1                     0.0000
  C     2.14057497  1   1.23934850  1  -0.06118250  1                     0.0000
  C     1.33835797  1   2.48998180  1  -0.14375560  1                     0.0000
  C    -0.00062809  1   2.48953480  1  -0.15344300  1                     0.0000
  C    -0.80298977  1   1.23825050  1  -0.08245600  1                     0.0000
  C    -2.13444373  1   1.19113250  1  -0.84622070  1                     0.0000
  C    -2.14648353  1   1.28430840  1   0.65995470  1                     0.0000
  C     3.48302270  1   1.19302030  1  -0.80546540  1                     0.0000
  C     3.47309718  1   1.28621710  1   0.70075480  1                     0.0000
  H    -0.57149858  1  -0.93872830  1   0.05428780  1                     0.0000
  H     1.90876990  1  -0.93782890  1   0.07218940  1                     0.0000
  H     1.90914929  1   3.41632600  1  -0.19655620  1                     0.0000
  H    -0.57120070  1   3.41542990  1  -0.21437680  1                     0.0000
  H    -2.43557541  1   0.26708810  1  -1.33338540  1                     0.0000
  H    -2.43563135  1   2.04794590  1  -1.44371200  1                     0.0000
  H    -2.45633014  1   2.20801590  1   1.14230970  1                     0.0000
  H    -2.45619930  1   0.42701780  1   1.25243450  1                     0.0000
  H     3.79249913  1   2.05003670  1  -1.39848230  1                     0.0000
  H     3.79193404  1   0.26917320  1  -1.28817040  1                     0.0000
  H     3.77483300  1   0.42912540  1   1.29767400  1                     0.0000
  H     3.77547654  1   2.21014780  1   1.18748300  1                     0.0000