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157 Cyclopentene

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  #           Species Formula
  147 DiethylberylliumCH10Be4
  148 C4B2H6C4H6B2
  149 Cyclopentadienyl, anionC5H5
  150 Cyclopentadiene (Geo)C5H6
  151 CyclopentadieneC5H6
  152 1,2-Dimethyl cyclopropeneC5H8
  153 1,4-PentadieneC5H8
  154 1,cis-3-PentadieneC5H8
  155 1,trans-3-PentadieneC5H8
  156 Bicyclo(2.1.0)-pentaneC5H8
  157 Cyclopentene C5H8
  158 IsopreneC5H8
  159 Methylene cyclobutaneC5H8
  160 Spiropentane (Geo)C5H8
  161 SpiropentaneC5H8
  162 Cyclopentyl, cationC5H9
  163 2-Methyl-2-buteneC5H10
  164 cis-2-PenteneC5H10
  165 cis-DimethylcyclopropaneC5H10
  166 CyclopentaneC5H10
  167 trans-2-PenteneC5H10



DHf: 8.3 kcal/mol,     REF: J. B. Pedley, B. S. Iseard, "CATCH Tables of Silicon Compounds," University of Sussex, 1972
Dipole: 0.2 Debye,     REF: R. D. Nelson, D. R. Lide, A. A. Maryott, Nat. Stand. Ref. Data Set., Natl. Bur. Stand. No. 10 (1967).
I.P.: 9.2 eV,     REF: R. D. Levin, S. G. Lias, "Ionization Potentials and Appearance Potential Measurements," 1971-1981, Natl. Stand. Ref. Data Ser., Natl. Bur. Stand. 71, (1982), Cat. No. C13.48:71.

  

Cyclopentene
 I=9.18 IR=LLNBS82 D=0.20 H=8.3 HR=CATCH DR=NLM1967
  C         0.00000000 +0    0.0000000 +0    0.0000000 +0                      0.0000
  C         1.55111525 +1    0.0000000 +0    0.0000000 +0    1    0    0       0.0000
  C         1.55131928 +1  106.0461450 +1    0.0000000 +0    2    1    0       0.0000
  C         1.50997539 +1  104.8151361 +1    0.1202179 +1    3    2    1       0.0000
  C         1.33985008 +1  112.1729787 +1   -0.0901694 +1    4    3    2       0.0000
  H         1.10283317 +1  111.5355787 +1  120.2576054 +1    1    2    3       0.0000
  H         1.10285801 +1  111.5451999 +1 -120.5551503 +1    1    2    3       0.0000
  H         1.10011770 +1  111.0099692 +1  120.7988421 +1    2    3    4       0.0000
  H         1.10012506 +1  111.0121776 +1 -120.5430143 +1    2    3    4       0.0000
  H         1.10288388 +1  111.1792826 +1  120.5339910 +1    3    4    5       0.0000
  H         1.10285745 +1  111.2009241 +1 -120.7239478 +1    3    4    5       0.0000
  H         1.07545156 +1  127.6664761 +1  179.9942359 +1    4    5    1       0.0000
  H         1.07538829 +1  120.1596963 +1 -179.9191256 +1    5    1    2       0.0000