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2-Cyclohexen-1-one, 2,6,6-trimethyl-


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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas-233.kJ/molSemiStewart, 2004 
Deltafgas-44.2 ± 2.2kJ/molCcbGerasimov and Gubareva, 1985ALS

Condensed 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltacliquid-5355.2 ± 2.2kJ/molCcbGerasimov and Gubareva, 1985Corresponding «DELTA»fliquid = -187.2 kJ/mol (simple calculation by NIST; no Washburn corrections)

Gas Chromatography

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-1011046.Yamaguchi and Shibamoto, 1981N2, 2. K/min; Column length: 70. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C
CapillaryOV-1011054.Yamaguchi and Shibamoto, 1981N2, 2. K/min; Column length: 70. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C

Kovats' RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryCarbowax 20M1384.Yamaguchi and Shibamoto, 1981N2, 2. K/min; Column length: 70. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C
CapillaryCarbowax 20M1386.Yamaguchi and Shibamoto, 1981N2, 2. K/min; Column length: 70. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-51057.1Leffingwell and Alford, 200560. m/0.32 mm/0.25 «mu»m, He, 30. C @ 2. min, 2. K/min, 260. C @ 28. min
CapillaryPONA1049.Ramalho, de Freitas, et al., 199950. m/0.2 mm/0.5 «mu»m, He, 40. C @ 5. min, 6. K/min; Tend: 250. C
CapillaryDB-11036.Habu, Flath, et al., 19853. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tstart: 0. C; Tend: 250. C
CapillaryDB-11032.Habu, Flath, et al., 19853. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tstart: 50. C; Tend: 250. C

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryTR-5 MS1051.Kurashov, Mitrukova, et al., 201415. m/0.25 mm/0.25 «mu»m, Helium; Program: 35 0C (3 min) 2 0C/min -> 60 0C (3 min) 2 0C/min -> 80 0C (3 min) 4 0C/min -> 120 0C (3 min) 5 0C/min -> 150 0C (3 min) 15 0C/min -> 240 0C (10 min)
CapillaryCP Sil 5 CB1040.Weyerstahl, Marschall, et al., 1998He; Column length: 25. m; Phase thickness: 0.39 «mu»m; Program: not specified
CapillaryDB-11040.Buttery, Teranishi, et al., 1990Column length: 60. m; Column diameter: 0.32 mm; Program: not specified

Normal alkane RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryCarbowax 20M1376.Kawakami, Kobayashi, et al., 1993He, 60. C @ 4. min, 2. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tend: 180. C
CapillaryCarbowax 20M1376.Kawakami and Kobayashi, 1991He, 60. C @ 4. min, 2. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tend: 180. C
CapillaryCarbowax 20M1400.Kanasawud and Crouzet, 199050. C @ 10. min, 4. K/min; Column length: 40. m; Column diameter: 0.4 mm; Tend: 170. C

Normal alkane RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillarySupelcowax-101424.Ramalho, de Freitas, et al., 199960. m/0.25 mm/1. «mu»m; Program: 50 C(5min) => 3C/min => 200C(4min) => 3C/min => 250C
CapillaryDB-Wax1417.Weyerstahl, Marschall, et al., 1998N2; Column length: 60. m; Phase thickness: 0.25 «mu»m; Program: not specified

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Stewart, 2004
Stewart, J.J.P., Comparison of the accuracy of semiempirical and some DFT methods for predicting heats of formation, J. Mol. Model, 2004, 10, 1, 6-10, https://doi.org/10.1007/s00894-003-0157-6 . [all data]

Gerasimov and Gubareva, 1985
Gerasimov, P.A.; Gubareva, A.I., Physical chemical properties of vitamin A precursor ketones, Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1985, 28, 106-109. [all data]

Yamaguchi and Shibamoto, 1981
Yamaguchi, K.; Shibamoto, T., Volatile constituents of green tea, Gyokuro (Camellia sinensis L. var Yabukita), J. Agric. Food Chem., 1981, 29, 2, 366-370, https://doi.org/10.1021/jf00104a035 . [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]

Ramalho, de Freitas, et al., 1999
Ramalho, P.S.; de Freitas, V.A.P.; Macedo, A.; Silva, G.; Silva, A.M.S., Volatile components of Cistus ladanifer leaves, Flavour Fragr. J., 1999, 14, 5, 300-302, https://doi.org/10.1002/(SICI)1099-1026(199909/10)14:5<300::AID-FFJ830>3.0.CO;2-X . [all data]

Habu, Flath, et al., 1985
Habu, T.; Flath, R.A.; Mon, T.R.; Morton, J.F., Volatile components of Rooibos tea (Aspalathus linearis), J. Agric. Food Chem., 1985, 33, 2, 249-254, https://doi.org/10.1021/jf00062a024 . [all data]

Kurashov, Mitrukova, et al., 2014
Kurashov, E.A.; Mitrukova, G.G.; Krylova, Yu.V., Variations in the component composition of essential oil of Ceratophyllum demersum (Ceratophyllaceae) during vegetation (in press), Plant Resources (Rastitel'nye Resursy), 2014, 1, 000-000. [all data]

Weyerstahl, Marschall, et al., 1998
Weyerstahl, P.; Marschall, H.; Weirauch, M.; Thefeld, K.; Surburg, H., Constituents of commercial Labdanum oil, Flavour Fragr. J., 1998, 13, 5, 295-318, https://doi.org/10.1002/(SICI)1099-1026(1998090)13:5<295::AID-FFJ751>3.0.CO;2-I . [all data]

Buttery, Teranishi, et al., 1990
Buttery, R.G.; Teranishi, R.; Flath, R.A.; Ling, L.C., Identification of additional tomato paste volatiles, J. Agric. Food Chem., 1990, 38, 3, 792-795, https://doi.org/10.1021/jf00093a042 . [all data]

Kawakami, Kobayashi, et al., 1993
Kawakami, M.; Kobayashi, A.; Kator, K., Volatile constituents of Rooibos tea (Aspalathus linearis) as affected by extraction process, J. Agric. Food Chem., 1993, 41, 4, 633-636, https://doi.org/10.1021/jf00028a023 . [all data]

Kawakami and Kobayashi, 1991
Kawakami, M.; Kobayashi, A., Volatitle constituents of greem mate and roasted mate, J. Agric. Food Chem., 1991, 39, 7, 1275-1279, https://doi.org/10.1021/jf00007a016 . [all data]

Kanasawud and Crouzet, 1990
Kanasawud, P.; Crouzet, J.C., Mechanism of formation of volatile compounds by thermal degradation of carotenoids in aqueous medium. 1. «beta»-Carotene degradation, J. Agric. Food Chem., 1990, 38, 1, 237-243, https://doi.org/10.1021/jf00091a052 . [all data]


Notes

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