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2-Cyclopropen-1-one, 2,3-diphenyl-

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Gas phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas317.7 ± 8.2kJ/molCcrSteele, Gammon, et al., 1985 
Deltafgas360. ± 20.kJ/molCphaGrabowski, Simon, et al., 1984 
Deltafgas552.3kJ/molCcbHopkins, Bostwick, et al., 1976 

Condensed phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltacliquid-7562. ± 20.kJ/molCcbGreenberg, Tomkins, et al., 1983Corresponding «DELTA»fliquid = 230.2 kJ/mol (simple calculation by NIST; no Washburn corrections)
Quantity Value Units Method Reference Comment
Deltafsolid198.0 ± 2.0kJ/molCcrSteele, Gammon, et al., 1985 
Quantity Value Units Method Reference Comment
Deltacsolid-7529.8 ± 1.8kJ/molCcrSteele, Gammon, et al., 1985Corresponding «DELTA»fsolid = 198.03 kJ/mol (simple calculation by NIST; no Washburn corrections)
Deltacsolid-7742.9kJ/molCcbHopkins, Bostwick, et al., 1976Corresponding «DELTA»fsolid = 411. kJ/mol (simple calculation by NIST; no Washburn corrections)

Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

2-Cyclopropen-1-one, 2,3-diphenyl- = Diphenylacetylene + Carbon monoxide

By formula: C15H10O = C14H10 + CO

Quantity Value Units Method Reference Comment
Deltar-28. ± 5.0kJ/molCphaHung and Grabowski, 1992liquid phase; solvent: Alkane
Deltar18. ± 10.kJ/molCphaHerman and Goodman, 1989solid phase; solvent: Acetonitrile/water
Deltar-41. ± 12.kJ/molCphaGrabowski, Simon, et al., 1984liquid phase; solvent: Benzene

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Steele, Gammon, et al., 1985
Steele, W.V.; Gammon, B.E.; Smith, N.K.; Chickos, J.S.; Greenberg, A.; Liebman, J.F., The standard molar enthalpy of formation of 2,3-diphenylcycloprop-2-en-1-one, J. Chem. Thermodyn., 1985, 17, 505-511. [all data]

Grabowski, Simon, et al., 1984
Grabowski, J.J.; Simon, J.D.; Peters, K.S., Heat of formation of diphenylcyclopropenone by photoacoustic calorimetry, J. Am. Chem. Soc., 1984, 106, 4615-4616. [all data]

Hopkins, Bostwick, et al., 1976
Hopkins, H.P., Jr.; Bostwick, D.; Alexander, C.J., The thermochemistry of diphenylcyclopropenone. Strain vs. delocalization energy, J. Am. Chem. Soc., 1976, 98, 1355-1357. [all data]

Greenberg, Tomkins, et al., 1983
Greenberg, A.; Tomkins, R.P.T.; Dobrovolny, M.; Liebman, J.F., The strain energy of diphenylcyclopropenone: A reexamination, J. Am. Chem. Soc., 1983, 105, 6855-6858. [all data]

Hung and Grabowski, 1992
Hung, R.R.; Grabowski, J.J., Enthalpy measurements in organic solvents by photoacoustic calorimetry: a solution to the reaction volume problem, J. Am. Chem. Soc., 1992, 114, 351-353. [all data]

Herman and Goodman, 1989
Herman, M.S.; Goodman, J.L., Determination of the enthalpy and reaction volume changes of organic photoreactions using photoacoustic calorimetry, J. Am. Chem. Soc., 1989, 111, 1849-1854. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, References