Accuracy

cis-2-pentene     93 cis-2-Pentene

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    #  Species Formula
    83 Bicyclo(2.1.0)-pentaneC5H8
    84 1,cis-3-PentadieneC5H8
    85 CyclopenteneC5H8
    86 1,trans-3-PentadieneC5H8
    87 IsopreneC5H8
    88 Methylene cyclobutaneC5H8
    89 Spiropentane (Geo)C5H8
    90 SpiropentaneC5H8
    91 Cyclopentyl, cationC5H9
    92 2-Methyl-2-buteneC5H10
    93 cis-2-Pentene C5H10
    94 cis-DimethylcyclopropaneC5H10
    95 CyclopentaneC5H10
    96 trans-2-PenteneC5H10
    97 IsopentaneC5H12
    98 n-PentaneC5H12
    99 Neopentane (Geo)C5H12
   100 NeopentaneC5H12
   101 BenzeneC6H6
   102 Benzene (Geo)C6H6
   103 FulveneC6H6


ΔHf: -6.1 kcal/mol,     REF: J. B. Pedley, R. D. Naylor, and S. P. Kirby, "Thermochemical Data of Organic Compounds", second edition, University of Sussex, 1986.
  

cis-2-Pentene
 H=-6.14 HR=PNK1986
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.52996373 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.49406147 +1  112.2460342 +1    0.0000000 +0     2     1     0
  C     1.33724760 +1  124.4762885 +1 -179.6943540 +1     3     2     1
  C     1.48832169 +1  125.4614730 +1    0.0068536 +1     4     3     2
  H     1.09567537 +1  111.1769092 +1  179.9979395 +1     1     2     3
  H     1.09592808 +1  111.4422088 +1   60.1075219 +1     1     2     3
  H     1.09592798 +1  111.4575101 +1  -60.0940972 +1     1     2     3
  H     1.11118896 +1  109.5581045 +1   57.5821765 +1     2     1     6
  H     1.11121611 +1  109.5749785 +1  -57.5909334 +1     2     1     6
  H     1.08974364 +1  114.8981802 +1    0.3046455 +1     3     2     1
  H     1.09109535 +1  120.4019693 +1  179.9927000 +1     4     3     2
  H     1.10021255 +1  110.9181284 +1 -121.0199232 +1     5     4     3
  H     1.09697245 +1  113.3110390 +1   -0.5401146 +1     5     4     3
  H     1.10025175 +1  110.8867394 +1  119.9213550 +1     5     4     3