Cyclohexylamine
- Formula: C6H13N
- Molecular weight: 99.1741
- IUPAC Standard InChI: InChI=1S/C6H13N/c7-6-4-2-1-3-5-6/h6H,1-5,7H2
- IUPAC Standard InChIKey: PAFZNILMFXTMIY-UHFFFAOYSA-N
- CAS Registry Number: 108-91-8
- 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: Cyclohexanamine; Aminocyclohexane; Aminohexahydrobenzene; Benzenamine, hexahydro-; Hexahydroaniline; Hexahydrobenzenamine; Aniline, hexahydro-; CHA; UN 2357; 1-Aminocyclohexane; 1-Cyclohexylamine
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Gas phase thermochemistry data
Go To: Top, Gas phase ion energetics data, IR Spectrum, 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:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -98.7 | kJ/mol | N/A | Gutner, Masalitinova, et al., 1982 | Value computed using ΔfHliquid° value of -141.5±1.6 kj/mol from Gutner, Masalitinova, et al., 1982 and ΔvapH° value of 42.8 kj/mol from Steele, 1979.; DRB |
| ΔfH°gas | -104.9 ± 1.3 | kJ/mol | Ccr | Steele, 1979 | ALS |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, IR Spectrum, References, Notes
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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 934.4 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 899.6 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 8.4 | PE | Aue and Bowers, 1979 | LLK |
| 8.4 ± 0.1 | PE | Aue, Webb, et al., 1976 | LLK |
| 8.86 | PE | Al-Joboury and Turner, 1964 | RDSH |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
References
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, IR Spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Gutner, Masalitinova, et al., 1982
Gutner, N.M.; Masalitinova, T.N.; Mon'yakova, O.N.; Lebedeva, N.D.,
Heats of combustion and formation of some cyclic compounds,
Termodin. Organ. Soedin., 1982, 46-49. [all data]
Steele, 1979
Steele, W.V.,
The standard enthalpies of formation of cyclohexylamine and cyclohexylamine hydrochloride,
J. Chem. Thermodyn., 1979, 11, 1185-1188. [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]
Aue and Bowers, 1979
Aue, D.H.; Bowers, M.T.,
Chapter 9. Stabilities of positive ions from equilibrium gas phase basicity measurements
in Ions Chemistry,, ed. M.T. Bowers, 1979. [all data]
Aue, Webb, et al., 1976
Aue, D.H.; Webb, H.M.; Bowers, M.T.,
Quantitative proton affinities, ionization potentials, and hydrogen affinities of alkylamines,
J. Am. Chem. Soc., 1976, 98, 311. [all data]
Al-Joboury and Turner, 1964
Al-Joboury, M.I.; Turner, D.W.,
Molecular photoelectron spectroscopy. Part II. A summary of ionization potentials,
J. Chem. Soc., 1964, 4434. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, IR Spectrum, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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