Accuracy

vinylacetylene     49 Vinylacetylene

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    #  Species Formula
    39 Propene (Geo)C3H6
    40 i-Propyl radicalC3H7
    41 PropaneC3H8
    42 Propane (Geo)C3H8
    43 Carbon, tetramerC4
    44 Diacetylene (Geo)C4H2
    45 DiacetyleneC4H2
    46 CH2=C=C=CH2 (Geo)C4H4
    47 CH2=C=C=CH2C4H4
    48 Vinylacetylene (Geo)C4H4
    49 Vinylacetylene C4H4
    50 1-ButyneC4H6
    51 1,2-ButadieneC4H6
    52 2-ButyneC4H6
    53 1,3-ButadieneC4H6
    54 Bicyclobutane (Geo)C4H6
    55 BicyclobutaneC4H6
    56 2-Butyne (Geo)C4H6
    57 CyclobuteneC4H6
    58 Methyl cyclopropeneC4H6
    59 MethylenecyclopropaneC4H6


ΔHf: 72.8 kcal/mol,     REF: D. R. Stull, E. F. Westrum, Jr., G. C. Sinke, "The Chemical Thermodynamics of Organic Compounds," Wiley, New York, N.Y., 1969.
  

Vinylacetylene
 H=72.8 HR=SWS1969
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.33749781 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.40788554 +1  122.8092902 +1    0.0000000 +0     2     1     0
 XX     1.00000000 +0   90.0000000 +0  180.0000000 +0     3     2     1
  C     1.21195813 +1   90.0000000 +0  180.0000000 +0     3     4     2
 XX     1.00000000 +0   90.0000000 +0    0.0000000 +0     5     3     4
  H     1.02827121 +1   90.0000000 +0  180.0000000 +0     5     6     3
  H     1.08035903 +1  123.5920557 +1    0.0000000 +0     1     2     3
  H     1.07974287 +1  123.1682539 +1  180.0000000 +0     1     2     3
  H     1.09736511 +1  121.9332171 +1  180.0000000 +0     2     1     3