Cyclohexene, 4-methyl-

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.


Condensed phase thermochemistry data

Go To: Top, Phase change data, Reaction thermochemistry 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-18. ± 1.kcal/molCcbLebedev and Smirnova, 1994see Lebedev, Kulagina, et al., 1988; ALS
Quantity Value Units Method Reference Comment
Δcliquid-1050. ± 1.kcal/molCcbLebedev and Smirnova, 1994see Lebedev, Kulagina, et al., 1988; Corresponding Δfliquid = -18. kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid60.471cal/mol*KN/ALebedev, Kulagina, et al., 1988DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
43.121298.15Lebedev, Kulagina, et al., 1988T = 13.4 to 350 K.; DH

Phase change data

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry 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 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

Quantity Value Units Method Reference Comment
Tboil376. ± 1.KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus156.88KN/ABoord, Greenlee, et al., 1950Uncertainty assigned by TRC = 0.6 K; TRC
Tfus157.4KN/ABoord, Greenlee, et al., 1950Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Δvap8.7 ± 0.1kcal/molGSVerevkin, Wandschneider, et al., 2000Based on data from 275. to 296. K.; AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
8.8 ± 0.1286.GSVerevkin, Wandschneider, et al., 2000Based on data from 275. to 296. K.; AC
8.68307.AStephenson and Malanowski, 1987Based on data from 292. to 429. K.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
1.58153.6Lebedev and Smirnova, 1994AC

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, Condensed phase thermochemistry data, Phase change 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: 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

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

By formula: C7H12 = C7H12

Quantity Value Units Method Reference Comment
Δr-1.39 ± 0.07kcal/molEqkYursha, Kabo, et al., 1974gas phase; Heat of isomerization at 463 K

Mass spectrum (electron ionization)

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, 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.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

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 Japan AIST/NIMC Database- Spectrum MS-NW-4941
NIST MS number 227868

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.


References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), Notes

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

Lebedev and Smirnova, 1994
Lebedev, B.; Smirnova, N., Themodynamics of cycloalkenes, of their bulk polymerization in the presence of matathesis catalysts and of polyalkenes, Macromol. Chem. Phys., 1994, 195, 35-63. [all data]

Lebedev, Kulagina, et al., 1988
Lebedev, B.V.; Kulagina, T.G.; Smirnova, N.N., Thermodynamics of 4-methylcyclo-hexene, glycollide, and 1,1,3,3,5,5-hexaethylcyclotrisiloxane from 13.4 to 400 K, J. Chem. Thermodyn., 1988, 20, 1383-1396. [all data]

Boord, Greenlee, et al., 1950
Boord, C.E.; Greenlee, K.W.; Derfer, J.M., The Synthesis, Purification and Prop. of Hydrocarbons of Low Mol. Wt., Am. Pet. Inst. Res. Proj. 45, Twelfth Annu. Rep., Ohio State Univ., 1950. [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]

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]

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]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References