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

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Gas phase thermochemistry data

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

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
Δfgas75.9 ± 2.0kcal/molCcrSteele, Gammon, et al., 1985 
Δfgas86. ± 4.kcal/molCphaGrabowski, Simon, et al., 1984 
Δfgas132.0kcal/molCcbHopkins, Bostwick, et al., 1976 

Condensed phase thermochemistry data

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

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
Δcliquid-1807.4 ± 4.8kcal/molCcbGreenberg, Tomkins, et al., 1983Corresponding Δfliquid = 55.03 kcal/mol (simple calculation by NIST; no Washburn corrections)
Quantity Value Units Method Reference Comment
Δfsolid47.33 ± 0.47kcal/molCcrSteele, Gammon, et al., 1985 
Quantity Value Units Method Reference Comment
Δcsolid-1799.67 ± 0.43kcal/molCcrSteele, Gammon, et al., 1985Corresponding Δfsolid = 47.330 kcal/mol (simple calculation by NIST; no Washburn corrections)
Δcsolid-1850.6kcal/molCcbHopkins, Bostwick, et al., 1976Corresponding Δfsolid = 98.3 kcal/mol (simple calculation by NIST; no Washburn corrections)

Reaction thermochemistry data

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

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
Δr-6.7 ± 1.2kcal/molCphaHung and Grabowski, 1992liquid phase; solvent: Alkane
Δr4.2 ± 2.5kcal/molCphaHerman and Goodman, 1989solid phase; solvent: Acetonitrile/water
Δr-9.9 ± 2.9kcal/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