2-Cyclopropen-1-one, 2,3-diphenyl-
- Formula: C15H10O
- Molecular weight: 206.2393
- IUPAC Standard InChI: InChI=1S/C15H10O/c16-15-13(11-7-3-1-4-8-11)14(15)12-9-5-2-6-10-12/h1-10H
- IUPAC Standard InChIKey: HCIBTBXNLVOFER-UHFFFAOYSA-N
- CAS Registry Number: 886-38-4
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Cyclopropenone, diphenyl-; Cyclopropenone, 2,3-diphenyl-; Diphenylcyclopropenone; 2,3-Diphenylcyclopropenone; 2,3-Diphenyl-2-cyclopropen-1-one; Diphencyprone; DPC; 2,3-diphenylcycloprop-2-en-1-one
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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 |
|---|---|---|---|---|---|
| ΔfH°gas | 317.7 ± 8.2 | kJ/mol | Ccr | Steele, Gammon, et al., 1985 | |
| ΔfH°gas | 360. ± 20. | kJ/mol | Cpha | Grabowski, Simon, et al., 1984 | |
| ΔfH°gas | 552.3 | kJ/mol | Ccb | Hopkins, Bostwick, et al., 1976 |
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
=
+
By formula: C15H10O = C14H10 + CO
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -28. ± 5.0 | kJ/mol | Cpha | Hung and Grabowski, 1992 | liquid phase; solvent: Alkane |
| ΔrH° | 18. ± 10. | kJ/mol | Cpha | Herman and Goodman, 1989 | solid phase; solvent: Acetonitrile/water |
| ΔrH° | -41. ± 12. | kJ/mol | Cpha | Grabowski, Simon, et al., 1984 | liquid phase; solvent: Benzene |
Gas phase ion energetics 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.56 | PE | Muller, Schweig, et al., 1978 | Vertical value; LLK |
| 8.47 | PE | Dehmlow, Dehmlow, et al., 1977 | Vertical value; LLK |
References
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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]
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]
Muller, Schweig, et al., 1978
Muller, C.; Schweig, A.; Vermeer, H.,
Photoelectron spectra of 1,2-diphenylcyclopropene, 2,3-diphenylcyclopropenone, 2,3-diphenylcyclopropenethione, 2,3-diphenylthiirene and 1-oxide; cis-stilbene, An experimental verification of conjugative inductive interactions,
J. Am. Chem. Soc., 1978, 100, 8056. [all data]
Dehmlow, Dehmlow, et al., 1977
Dehmlow, E.V.; Dehmlow, S.S.; Marschner, F.,
Chemische und photoelektronenspektroskopische Eigenschaften von cyclopropylsubstituierten Cyclopropenonen,
Chem. Ber., 1977, 110, 154. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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