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Cyclohexene, 1-methyl-

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas-81.25 ± 0.79kJ/molCcbLabbauf and Rossini, 1961 

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-4388.39 ± 0.67kJ/molCcbLabbauf and Rossini, 1961Corresponding «DELTA»fliquid = -81.17 kJ/mol (simple calculation by NIST; no Washburn corrections)
Deltacliquid-4381.9kJ/molCcbZubova, 1901Corresponding «DELTA»fliquid = -87.4 kJ/mol (simple calculation by NIST; no Washburn corrections)

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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tboil382. ± 4.KAVGN/AAverage of 21 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus152.71KN/AStreiff, Schultz, et al., 1957Uncertainty assigned by TRC = 0.04 K; TRC
Tfus152.75KN/AStreiff, Schultz, et al., 1957Uncertainty assigned by TRC = 0.03 K; TRC
Tfus152.700KN/AStreiff, Schultz, et al., 1957Uncertainty assigned by TRC = 0.05 K; TRC
Tfus152.2KN/ABoord, Henne, et al., 1949Uncertainty assigned by TRC = 0.5 K; TRC
Tfus152.15KN/AAnonymous, 1943Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Deltavap37.5 ± 0.2kJ/molGSVerevkin, Wandschneider, et al., 2000Based on data from 275. - 313. K.; AC
Deltavap37.8kJ/molVCamin and Rossini, 1960ALS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
37.7 ± 0.2294.GSVerevkin, Wandschneider, et al., 2000Based on data from 275. - 313. K.; AC
35.7348.AStephenson and Malanowski, 1987Based on data from 333. - 384. K. See also Eisen and Orav, 1970 and Boublik, Fried, et al., 1984.; AC
36.7324.MMCamin and Rossini, 1960, 2Based on data from 309. - 384. K.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Hydrogen + Cyclohexene, 1-methyl- = Cyclohexane, methyl-

By formula: H2 + C7H12 = C7H14

Quantity Value Units Method Reference Comment
Deltar-111.4 ± 0.37kJ/molChydRogers, Crooks, et al., 1987liquid phase
Deltar-106.3 ± 0.46kJ/molChydTurner and Garner, 1958liquid phase; solvent: Acetic acid
Deltar-106.3 ± 0.46kJ/molChydTurner and Garner, 1957liquid phase; solvent: Acetic acid

Cyclohexene, 1-methyl- + Trifluoroacetic acid = Acetic acid, trifluoro-, 1-methyl cyclohexyl ester

By formula: C7H12 + C2HF3O2 = C9H13F3O3

Quantity Value Units Method Reference Comment
Deltar-36.56 ± 0.88kJ/molCacWiberg, Wasserman, et al., 1985liquid phase; solvent: Trifluoroacetic acid; Trifluoroacetolysis

Cyclohexene, 1-methyl- + Hydrogen chloride = 1-Chloro-1-methylcyclohexane

By formula: C7H12 + HCl = C7H13Cl

Quantity Value Units Method Reference Comment
Deltar-56.11 ± 0.88kJ/molCmArnett and Pienta, 1980liquid phase; solvent: Methylene chloride; Hydrochlorination

Cyclohexane, methylene- = Cyclohexene, 1-methyl-

By formula: C7H12 = C7H12

Quantity Value Units Method Reference Comment
Deltar-7.2 ± 0.3kJ/molEqkYursha, Kabo, et al., 1974gas phase; Heat of isomerization at 463 K

Cyclohexene, 3-methyl- = Cyclohexene, 1-methyl-

By formula: C7H12 = C7H12

Quantity Value Units Method Reference Comment
Deltar-8.1 ± 0.3kJ/molEqkYursha, Kabo, et al., 1974gas phase; Heat of isomerization at 463 K

Cyclohexene, 4-methyl- = Cyclohexene, 1-methyl-

By formula: C7H12 = C7H12

Quantity Value Units Method Reference Comment
Deltar-5.8 ± 0.3kJ/molEqkYursha, Kabo, et al., 1974gas phase; Heat of isomerization at 463 K

Henry's Law 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: Rolf Sander

Henry's Law constant (water solution)

kH(T) = H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
H = Henry's law constant for solubility in water at 298.15 K (mol/kg*bar)
d(ln(kH))/d(1/T) = Temperature dependence constant (K)

H (mol/kg*bar) d(ln(kH))/d(1/T) (K) Method Reference
0.013 VN/A

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible 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:
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 C7H12+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)825.1kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity792.6kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.67 ± 0.02PERang, Paldoia, et al., 1974LLK
8.67 ± 0.02EIWinters and Collins, 1968RDSH
8.69 ± 0.05PEBaidin, Timoshenko, et al., 1985Vertical value; LBLHLM

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C3H3+14.06 ± 0.13?EIWinters and Collins, 1968RDSH
C3H5+13.46 ± 0.09?EIWinters and Collins, 1968RDSH
C4H5+13.22 ± 0.10?EIWinters and Collins, 1968RDSH
C4H6+11.02 ± 0.08?EIWinters and Collins, 1968RDSH
C4H7+11.48 ± 0.05?EIWinters and Collins, 1968RDSH
C5H7+10.47 ± 0.07C2H5EIWinters and Collins, 1968RDSH
C5H8+10.56 ± 0.15C2H4EIWinters and Collins, 1968RDSH
C6H9+10.27 ± 0.09CH3EIWinters and Collins, 1968RDSH
C7H11+10.78 ± 0.05HEIBlanchette, Holmes, et al., 1987LBLHLM

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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IR spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Download spectrum in JCAMP-DX format.

Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Sadtler Research Labs Under US-EPA Contract
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, UV/Visible 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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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 Japan AIST/NIMC Database- Spectrum MS-NW-9258
NIST MS number 231491

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


UV/Visible spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, 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: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source Turner, 1959
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 1306
Instrument n.i.g.
Melting point -120.4
Boiling point 110.3

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Notes

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

Labbauf and Rossini, 1961
Labbauf, A.; Rossini, F.D., Heats of combustion, formation, and hydrogenation of 14 selected cyclomonoolefin hydrocarbons, J. Phys. Chem., 1961, 65, 476-480. [all data]

Zubova, 1901
Zubova, P., Data about heat of combustion of compound cycle structure, Zh. Fiz. Khim., 1901, 33, 708-722. [all data]

Streiff, Schultz, et al., 1957
Streiff, A.J.; Schultz, L.H.; Hulme, A.R.; Tucker, J.A.; Krouskop, N.C.; Rossini, F.D., Purification, Purity, and Freezing Points of 20 API Standard API Research Hydrocarbons, Anal. Chem., 1957, 29, 361. [all data]

Boord, Henne, et al., 1949
Boord, C.E.; Henne, A.L.; Greenlee, K.W.; Perilstein, W.L.; Derfer, J.M., The Grignard Reagent in hydrocarbon synthesis, Ind. Eng. Chem., 1949, 41, 609. [all data]

Anonymous, 1943
Anonymous, R., , Sunbury Rep. No. 2176, Anglo-Iranian Oil Co., 1943. [all data]

Verevkin, Wandschneider, et al., 2000
Verevkin, Sergey P.; Wandschneider, Dirk; Heintz, Andreas, Determination of Vaporization Enthalpies of Selected Linear and Branched C 7 , C 8 , C 9 , C 11 , and C 12 Monoolefin Hydrocarbons from Transpiration and Correlation Gas-Chromatography Methods, J. Chem. Eng. Data, 2000, 45, 4, 618-625, https://doi.org/10.1021/je990297k . [all data]

Camin and Rossini, 1960
Camin, D.L.; Rossini, F.D., Physical properties of to selected C7 and C8 alkene hydrocarbons, J. Chem. Eng. Data, 1960, 5, 368. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Eisen and Orav, 1970
Eisen, O.; Orav, A., Eesti NSV Tead. Akad. Toim. Keem. Geol., 1970, 19, 3, 202. [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Camin and Rossini, 1960, 2
Camin, D.L.; Rossini, F.D., Physical Properties of 16 Selected C 7 and C 8 Alkene Hydrocarbons., J. Chem. Eng. Data, 1960, 5, 3, 368-372, https://doi.org/10.1021/je60007a037 . [all data]

Rogers, Crooks, et al., 1987
Rogers, D.W.; Crooks, E.; Dejroongruang, K., Enthalpies of hydrogenation of the hexenes, J. Chem. Thermodyn., 1987, 19, 1209-1215. [all data]

Turner and Garner, 1958
Turner, R.B.; Garner, R.H., Heats of hydrogenation. V. Relative stabilities in certain exocyclic-endocyclic olefin pairs, J. Am. Chem. Soc., 1958, 80, 1424-1430. [all data]

Turner and Garner, 1957
Turner, R.B.; Garner, R.H., Heats of hydrogenation. V. Relative stabilities in certain exocyclic-endocyclic olefin pairs, J. Am. Chem. Soc., 1957, 80, 1424-1430. [all data]

Wiberg, Wasserman, et al., 1985
Wiberg, K.B.; Wasserman, D.J.; Martin, E.J.; Murcko, M.A., Enthalpies of hydration of alkenes. 3. Cycloalkenes, J. Am. Chem. Soc., 1985, 107, 6019-6022. [all data]

Arnett and Pienta, 1980
Arnett, E.M.; Pienta, N.J., Stabilities of carbonium ions in solution. 12. Heats of formation of alkyl chlorides as an entree to heats of solvation of aliphatic carbonium ions, J. Am. Chem. Soc., 1980, 102, 3329-3334. [all data]

Yursha, Kabo, et al., 1974
Yursha, I.A.; Kabo, G.Ya.; Andreevskii, D.N., Equilibriums and thermodynamics of the isomerization of methylcyclohexenes, Neftekhimiya, 1974, 14, 688-693. [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]

Rang, Paldoia, et al., 1974
Rang, S.; Paldoia, P.; Talvari, A., Ionization potentials of unsaturated hydrocarbons. 2. Mono-substituted cyclopentenes and cyclohexenes, Eesti. NSV Tead. Akad. Toim., 1974, 354. [all data]

Winters and Collins, 1968
Winters, R.E.; Collins, J.H., Mass spectrometric studies of structural isomers. I. Mono- and bicyclic C7H12 molecules, J. Am. Chem. Soc., 1968, 90, 1235. [all data]

Baidin, Timoshenko, et al., 1985
Baidin, V.N.; Timoshenko, M.M.; Chizhov, Y.V.; Ustynyuk, Y.A.; Kritskaya, I.I., Photoelectron spectra nad the structure of organomercury compounds, J. Organomet. Chem., 1985, 292, 55. [all data]

Blanchette, Holmes, et al., 1987
Blanchette, M.C.; Holmes, J.L.; Lossing, F.P., Characterizing the 2-norbornyl cation in the gas phase, J. Am. Chem. Soc., 1987, 109, 1392. [all data]

Turner, 1959
Turner, D.W., Spectrophotometry in the far-ultraviolet region. Part II. Absorption spectra of steroids and triterpenoids, J. Chem. Soc., 1959, 30-33. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, References