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

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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
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)

Phase change 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub28.6 ± 1.9kcal/molVSteele, Gammon, et al., 1985ALS

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
29. ± 2.365.HSASteele, Gammon, et al., 1985Based on data from 353. to 378. K.; AC
33.8 ± 1.0323.VHopkins, Bostwick, et al., 1976ALS
33.7 ± 1.333.MEHopkins, Bostwick, et al., 1976Based on data from 323. to 343. K. See also Stephenson and Malanowski, 1987.; AC

UV/Visible spectrum

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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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source Blackburn, 1966
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 19828
Instrument Unicam SP 700
Melting point 119-120

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, UV/Visible spectrum, Notes

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

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]

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]

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]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Blackburn, 1966
Blackburn, E.V., UV atlas of organic compounds, 1966, 2, D10/74. [all data]


Notes

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