1,3-Butanedione, 1-phenyl-
- Formula: C10H10O2
- Molecular weight: 162.1852
- IUPAC Standard InChI: InChI=1S/C10H10O2/c1-8(11)7-10(12)9-5-3-2-4-6-9/h2-6H,7H2,1H3
- IUPAC Standard InChIKey: CVBUKMMMRLOKQR-UHFFFAOYSA-N
- CAS Registry Number: 93-91-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: α-Acetylacetophenone; Acetoacetophenone; Acetylbenzoylmethane; Benzoylacetone; 1-Benzoyl-2-propanone; 1-Phenyl-1,3-butanedione; 2-Acetylacetophenone; 2-Propanone, benzoyl-; 1-Benzoylacetone; Benzoyl-aceton; NSC 4015; 1-phenylbutane-1,3-dione
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Gas phase ion energetics data
Go To: Top, Gas Chromatography, References, Notes
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:
B - John E. Bartmess
LL - Sharon G. Lias and Joel F. Liebman
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.10 | EI | Orlov, Rashkes, et al., 1988 | LL |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C7H5O+ | 10.20 | C3H5O | EI | Orlov, Rashkes, et al., 1988 | LL |
De-protonation reactions
C10H9O2- + =
By formula: C10H9O2- + H+ = C10H10O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1422. ± 9.6 | kJ/mol | G+TS | Cumming and Kebarle, 1978 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1393. ± 8.4 | kJ/mol | IMRE | Cumming and Kebarle, 1978 | gas phase; B |
Gas Chromatography
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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-101 | 1656. | Mastelic, Jerkovic, et al., 2006 | 25. m/0.2 mm/0.2 μm, He, 70. C @ 2. min, 3. K/min, 200. C @ 15. min |
References
Go To: Top, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Orlov, Rashkes, et al., 1988
Orlov, V.M.; Rashkes, Y.V.; Siretskaya, T.V.; Takhistov, V.V.,
Thermochemical description of tutomeric transformations in ionized 1,3-diketones,
J. Gen. Chem. USSR, 1988, 58, 374. [all data]
Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P.,
Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A),
Can. J. Chem., 1978, 56, 1. [all data]
Mastelic, Jerkovic, et al., 2006
Mastelic, J.; Jerkovic, I.; Mesic, M.,
Volatile constituents from flowers, leaves, bark and wood of Prunus mahaleb L.,
Flavour Fragr. J., 2006, 21, 2, 306-313, https://doi.org/10.1002/ffj.1596
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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