Cyclohexanone, 4-methyl-
- Formula: C7H12O
- Molecular weight: 112.1696
- IUPAC Standard InChIKey: VGVHNLRUAMRIEW-UHFFFAOYSA-N
- CAS Registry Number: 589-92-4
- 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. - Species with the same structure:
- Other names: 4-Methylcyclohexanone; p-Methyl cyclohexanone; 4-Methyl-1-cyclohexanone; Methyl-4 cyclohexanone-1; Methylcyclohexanone
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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: Glushko Thermocenter, Russian Academy of Sciences, Moscow
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
206.2 ± 0.8 | 445. | Vilcu R., 1975 | The experimental values of Cp(T) obtained by [ Vilcu R., 1975] seem to be not enough reliable in view of the comparison of experimental heat capacities of some alcohols and ketones measured by these authors (see [ Kabo G.J., 1995]). |
211.3 ± 1.2 | 450. | ||
215.7 ± 1.6 | 460. | ||
218.8 ± 1.6 | 470. | ||
221.8 ± 1.8 | 480. | ||
224.8 ± 2.0 | 490. | ||
227.8 ± 2.5 | 500. |
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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 443.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 444.6 | K | N/A | White and Bishop, 1940 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tboil | 373.5 | K | N/A | Cowan, Jeffery, et al., 1939 | Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 232.55 | K | N/A | Timmermans, 1952 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 232. | K | N/A | White and Bishop, 1940 | Uncertainty assigned by TRC = 5. K; TRC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
45.3 | 354. | Aucejo, Monton, et al., 1993 | Based on data from 339. to 444. K.; AC |
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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess
View reactions leading to C7H12O+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 844.9 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 813.0 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Reference | Comment |
---|---|---|
0.006115 ± 0.000087 | Hammer, Diri, et al., 2003 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.16 | PE | Loudet, Grimaud, et al., 1976 | LLK |
References
Go To: Top, Gas phase thermochemistry data, Phase change 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.
Vilcu R., 1975
Vilcu R.,
Heat capacity of cyclohexanone and 4-methylcyclohexanone in the vapor phase,
Rev. Chim. (Bucharest), 1975, 26, 129-131. [all data]
Kabo G.J., 1995
Kabo G.J.,
Thermodynamic properties, conformation, and phase transitions of cyclopentanol,
J. Chem. Thermodyn., 1995, 27, 953-967. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
White and Bishop, 1940
White, A.H.; Bishop, W.S.,
Dielectric Evidence of Molecular Rotation in the Crystals of Certain Non-aromatic Compounds,
J. Am. Chem. Soc., 1940, 62, 8-16. [all data]
Cowan, Jeffery, et al., 1939
Cowan, D.M.; Jeffery, G.H.; Vogel, A.I.,
Physical properties and chemical constitution. Part 4. Methylcyclohexane and the multiplanar structure of the methylcyclohexane ring.,
J. Chem. Soc., 1939, 1939, 1862-5. [all data]
Timmermans, 1952
Timmermans, J.,
Freezing points of organic compounds. VVI New determinations.,
Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]
Aucejo, Monton, et al., 1993
Aucejo, Antonio; Monton, Juan B.; Munoz, Rosa; Sanchotello, Margarita,
Isobaric vapor-liquid equilibrium data for the cyclohexanone + N-methylacetamide system,
J. Chem. Eng. Data, 1993, 38, 1, 160-162, https://doi.org/10.1021/je00009a039
. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Hammer, Diri, et al., 2003
Hammer, N.I.; Diri, K.; Jordan, K.D.; Desfrancois, C.; Compton, R.N.,
Dipole-bound anions of carbonyl, nitrile, and sulfoxide containing molecules,
J. Chem. Phys., 2003, 119, 7, 3650-3660, https://doi.org/10.1063/1.1590959
. [all data]
Loudet, Grimaud, et al., 1976
Loudet, M.; Grimaud, M.; Metras, F.; Pfister-Guillouzo, G.,
Interactions intramoleculaires en serie cyclohexanique partie II. Spectres photoelectroniques de chloro-2-cyclohexanones,
J. Mol. Struct., 1976, 35, 213. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas EA Electron affinity Tboil Boiling point Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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