Cyclohexanone, 2-methyl-
- Formula: C7H12O
- Molecular weight: 112.1696
- IUPAC Standard InChI: InChI=1S/C7H12O/c1-6-4-2-3-5-7(6)8/h6H,2-5H2,1H3
- IUPAC Standard InChIKey: LFSAPCRASZRSKS-UHFFFAOYSA-N
- CAS Registry Number: 583-60-8
- 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. - Species with the same structure:
- Other names: α-Methylcyclohexanone; 2-Methyl-1-cyclohexanone; 2-Methylcyclohexanone; o-Methylcyclohexanone; 2-Methyl-cyclohexanon; 2-Metilcicloesanone
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase ion energetics data
Go To: Top, Mass spectrum (electron ionization), 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess
View reactions leading to C7H12O+ (ion structure unspecified)
Electron affinity determinations
| EA (eV) | Reference | Comment |
|---|---|---|
| 0.004207 ± 0.000087 | Hammer, Diri, et al., 2003 | B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.05 | PE | Loudet, Grimaud, et al., 1976 | LLK |
| 9.5 ± 0.2 | EI | Fortin, Forest, et al., 1973 | LLK |
Mass spectrum (electron ionization)
Go To: Top, Gas phase ion energetics data, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
| Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | NIST Mass Spectrometry Data Center, 1990. |
| NIST MS number | 114309 |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | SE-30 | 100. | 935. | Golovnya, Syomina, et al., 1997 | 25. m/0.32 mm/1. μm, He |
| Capillary | SE-30 | 110. | 937. | Golovnya, Syomina, et al., 1997 | 25. m/0.32 mm/1. μm, He |
| Capillary | SE-30 | 80. | 929. | Golovnya, Syomina, et al., 1997 | 25. m/0.32 mm/1. μm, He |
| Capillary | SE-30 | 90. | 932. | Golovnya, Syomina, et al., 1997 | 25. m/0.32 mm/1. μm, He |
| Packed | Apiezon L | 130. | 954. | Paris and Alexandre, 1972 | Chromosorb W AW |
| Packed | Apiezon L | 130. | 937. | Wehrli and Kováts, 1959 | Celite; Column length: 2.25 m |
Normal alkane RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | DB-1 | 60. | 914. | Shimadzu, 2003 | 60. m/0.32 mm/1. μm, He |
| Capillary | DB-1 | 80. | 924. | Shimadzu, 2003 | 60. m/0.32 mm/1. μm, He |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | VF-5 MS | 949. | Leffingwell and Alford, 2011 | 60. m/0.32 mm/0.25 μm, Helium, 2. K/min, 260. C @ 28. min; Tstart: 30. C |
| Capillary | VF-5 MS | 954. | Leffingwell and Alford, 2011 | 60. m/0.32 mm/0.25 μm, Helium, 2. K/min, 260. C @ 28. min; Tstart: 30. C |
| Capillary | HP-5 | 953.1 | Leffingwell and Alford, 2005 | 60. m/0.32 mm/0.25 μm, He, 30. C @ 2. min, 2. K/min, 260. C @ 28. min |
| Capillary | BP-1 | 930. | Health Safety Executive, 2000 | 50. m/0.22 mm/0.75 μm, He, 5. K/min; Tstart: 50. C; Tend: 200. C |
References
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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]
Golovnya, Syomina, et al., 1997
Golovnya, R.V.; Syomina, L.A.; Samusenko, A.L.,
Temperature changes of sorption parameters of di-n-alkylketones and methylcyclohexanones in capillary gas chromatography,
Russ. Chem. Bull. (Engl. Transl.), 1997, 46, 2, 314-318, https://doi.org/10.1007/BF02494370
. [all data]
Paris and Alexandre, 1972
Paris, C.; Alexandre, P.,
Stereochemical Investigation of Cyclohexane and Terpene Compounds by Gas Chromatography,
J. Chromatogr. Sci., 1972, 10, 6, 402-411, https://doi.org/10.1093/chromsci/10.6.402
. [all data]
Wehrli and Kováts, 1959
Wehrli, A.; Kováts, E.,
Gas-chromatographische Charakterisierung ogranischer Verbindungen. Teil 3: Berechnung der Retentionsindices aliphatischer, alicyclischer und aromatischer Verbindungen,
Helv. Chim. Acta, 1959, 7, 7, 2709-2736, https://doi.org/10.1002/hlca.19590420745
. [all data]
Shimadzu, 2003
Shimadzu,
Gas chromatography analysis of organic solvents using capillary columns (No. 3), 2003, retrieved from http://www.shimadzu.com/apps/form.cfm. [all data]
Leffingwell and Alford, 2011
Leffingwell, J.; Alford, E.D.,
Volatile constituents of the giant pufball mushroom (Calvatia gigantea),
Leffingwell Rep., 2011, 4, 1-17. [all data]
Leffingwell and Alford, 2005
Leffingwell, J.C.; Alford, E.D.,
Volatile constituents of Perique tobacco,
Electron. J. Environ. Agric. Food Chem., 2005, 4, 2, 899-915. [all data]
Health Safety Executive, 2000
Health Safety Executive,
MDHS 96 Volatile organic compounds in air - Laboratory method using pumed solid sorbent tubes, solvent desorption and gas chromatography
in Methods for the Determination of Hazardous Substances (MDHS) guidance, Crown, Colegate, Norwich, 2000, 1-24, retrieved from http://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs96.pdf. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.