Cyclohexanone
- Formula: C6H10O
- Molecular weight: 98.1430
- IUPAC Standard InChIKey: JHIVVAPYMSGYDF-UHFFFAOYSA-N
- CAS Registry Number: 108-94-1
- 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: Anon; Anone; Hexanon; Hytrol O; Nadone; Pimelic ketone; Pimelin ketone; Sextone; Ketohexamethylene; Cicloesanone; Cyclohexanon; Cykloheksanon; NCI-C55005; Rcra waste number U057; UN 1915; Cyclohexyl ketone; NSC 5711
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Gas phase ion energetics data
Go To: Top, 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
L - Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C6H10O+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.16 ± 0.02 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 201.0 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 193.9 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.0033 | EFD | Desfrancois, Abdoul-Carime, et al., 1994 | EA: 3.3 meV. Dipole-bound state.; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.18 | PE | Loudet, Grimaud, et al., 1976 | LLK |
9.5 ± 0.2 | EI | Fortin, Forest, et al., 1973 | LLK |
9.16 ± 0.01 | PE | Cocksey, Eland, et al., 1971 | LLK |
9.14 ± 0.01 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
9.14 ± 0.03 | PI | Vilesov, 1960 | RDSH |
9.29 | PE | Spanka and Rademacher, 1986 | Vertical value; LBLHLM |
9.18 | PE | Kovac and Klasinc, 1978 | Vertical value; LLK |
9.28 | PE | Hentrich, Gunkel, et al., 1974 | Vertical value; LLK |
9.14 ± 0.02 | PE | Chadwick, Frost, et al., 1971 | Vertical value; LLK |
De-protonation reactions
C6H9O- + =
By formula: C6H9O- + H+ = C6H10O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 366.4 ± 2.0 | kcal/mol | D-EA | Brinkman, Berger, et al., 1993 | gas phase; B |
ΔrH° | 365.8 ± 2.3 | kcal/mol | D-EA | Zimmerman, Jackson, et al., 1978 | gas phase; B |
ΔrH° | 369.0 ± 4.2 | kcal/mol | G+TS | Brickhouse and Squires, 1988 | gas phase; Between acetone, Me2C=NOH; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 358.7 ± 2.3 | kcal/mol | H-TS | Brinkman, Berger, et al., 1993 | gas phase; B |
ΔrG° | 358.0 ± 2.6 | kcal/mol | H-TS | Zimmerman, Jackson, et al., 1978 | gas phase; B |
ΔrG° | 361.2 ± 4.0 | kcal/mol | IMRB | Brickhouse and Squires, 1988 | gas phase; Between acetone, Me2C=NOH; B |
References
Go To: Top, 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.
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]
Desfrancois, Abdoul-Carime, et al., 1994
Desfrancois, C.; Abdoul-Carime, H.; Khelifa, N.; Schermann, J.P.,
Fork 1/r to 1/r2 Potentials: Electron Exchange between Rydberg Atoms and Polar Molecules,
Phys. Rev. Lett., 1994, 73, 18, 2436, https://doi.org/10.1103/PhysRevLett.73.2436
. [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]
Fortin, Forest, et al., 1973
Fortin, C.J.; Forest, M.; Vaziri, C.; Gravel, D.; Rousseau, Y.,
Spectrometrie de masse des cyclohexanones gem-diphenylees. I. Localisation de la charge positive,
Can. J. Chem., 1973, 51, 3445. [all data]
Cocksey, Eland, et al., 1971
Cocksey, B.J.; Eland, J.H.D.; Danby, C.J.,
The effect of alkyl substitution on ionisation potential,
J. Chem. Soc., 1971, (B), 790. [all data]
Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J.,
Ionization potentials of some molecules,
J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]
Vilesov, 1960
Vilesov, F.I.,
The photoionization of vapors of compounds whose molecules contain carbonyl groups,
Dokl. Phys. Chem., 1960, 132, 521, In original 1332. [all data]
Spanka and Rademacher, 1986
Spanka, G.; Rademacher, P.,
Transannular interactions in difunctional medium rings. 1. n/π Interactions in cyclic amino ketones and aminoalkenes studied by photoelectron spectroscopy,
J. Org. Chem., 1986, 51, 592. [all data]
Kovac and Klasinc, 1978
Kovac, B.; Klasinc, L.,
Photoelectron spectroscopy of adamantane and some adamantanones,
Croat. Chem. Acta, 1978, 51, 55. [all data]
Hentrich, Gunkel, et al., 1974
Hentrich, G.; Gunkel, E.; Klessinger, M.,
Photoelektronenspektren organischer verbindungen. 4. Photoelektronenspektren ungesattigter carbonylverbindungen,
J. Mol. Struct., 1974, 21, 231. [all data]
Chadwick, Frost, et al., 1971
Chadwick, D.; Frost, D.C.; Weiler, L.,
The photoelectron spectra of cyclic ketones,
Tetrahedron Lett., 1971, 47, 4543. [all data]
Brinkman, Berger, et al., 1993
Brinkman, E.A.; Berger, S.; Marks, J.; Brauman, J.I.,
Molecular Rotation and the Observation of Dipole-Bound States of Anions,
J. Chem. Phys., 1993, 99, 10, 7586, https://doi.org/10.1063/1.465688
. [all data]
Zimmerman, Jackson, et al., 1978
Zimmerman, A.H.; Jackson, R.L.; Janousek, B.K.; Brauman, J.J.,
Electron photodetachment from cyclic enolate anions in the gas phase: Electron affinities of cyclic enolate radicals,
J. Am. Chem. Soc., 1978, 100, 4674. [all data]
Brickhouse and Squires, 1988
Brickhouse, M.D.; Squires, R.R.,
Gas Phase Bronsted vs. Lewis Acid-Base Reactions of 6,6-Dimethylfulvene. A Sensitive Probe of the Electronic Structures of Organic Anions,
J. Am. Chem. Soc., 1988, 110, 9, 2706, https://doi.org/10.1021/ja00217a002
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity IE (evaluated) Recommended ionization 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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