Hydrocinnamic acid
- Formula: C9H10O2
- Molecular weight: 150.1745
- IUPAC Standard InChI: InChI=1S/C9H10O2/c10-9(11)7-6-8-4-2-1-3-5-8/h1-5H,6-7H2,(H,10,11)
- IUPAC Standard InChIKey: XMIIGOLPHOKFCH-UHFFFAOYSA-N
- CAS Registry Number: 501-52-0
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: Benzenepropanoic acid; β-Phenylpropionic acid; Benzenepropionic acid; Benzylacetic acid; Dihydrocinnamic acid; Phenylpropanoic acid; 3-Phenylpropanoic acid; 3-Phenylpropionic acid; Phenylpropionic acid; β-Phenylpropanoic acid; NSC 9272
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics 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
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Individual Reactions
2 +
=
By formula: 2H2 + C9H6O2 = C9H10O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -304. ± 4.6 | kJ/mol | Chyd | Flitcroft and Skinner, 1958 | liquid phase |
Gas phase ion energetics data
Go To: Top, 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: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
| IE (eV) | Method | Reference |
|---|---|---|
| 9.0 ± 0.1 | EI | Occolowitz, 1967 |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C8H8+ | 9.8 ± 0.2 | HCOOH | EI | Occolowitz, 1967 |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Flitcroft and Skinner, 1958
Flitcroft, T.L.; Skinner, H.A.,
Heats of hydrogenation Part 2.-Acetylene derivatives,
Trans. Faraday Soc., 1958, 54, 47-53. [all data]
Occolowitz, 1967
Occolowitz, J.L.,
Charge localization and the electronimpact fragmentation of carbonyl compounds,
Australian J. Chem., 1967, 20, 2387. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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