Cyclohexane, 1-ethyl-4-methyl-, trans-

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, IR Spectrum, 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfliquid-58.90 ± 0.24kcal/molCcbGood, 1970 
Quantity Value Units Method Reference Comment
Δcliquid-1402.39 ± 0.20kcal/molCcbGood, 1970Corresponding Δfliquid = -58.91 kcal/mol (simple calculation by NIST; no Washburn corrections)

Phase change data

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

Quantity Value Units Method Reference Comment
Tboil422.2KN/AWeast and Grasselli, 1989BS
Tboil420.KN/ASabatier and Mailhe, 1907Uncertainty assigned by TRC = 2. K; TRC

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, IR Spectrum, 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 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

3Hydrogen + Benzene, 1-ethyl-4-methyl- = Cyclohexane, 1-ethyl-4-methyl-, trans-

By formula: 3H2 + C9H12 = C9H18

Quantity Value Units Method Reference Comment
Δr-46.8kcal/molEqkMiki, 1975gas phase; GC

Cyclohexane, 1-ethyl-4-methyl-, cis- = Cyclohexane, 1-ethyl-4-methyl-, trans-

By formula: C9H18 = C9H18

Quantity Value Units Method Reference Comment
Δr1.8 ± 0.1kcal/molEqkMann, 1968gas phase; At 593K

IR Spectrum

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

IR 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

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

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

View spectrum image in SVG format.

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 NIST Mass Spectrometry Data Center
State gas
Instrument HP-GC/MS/IRD

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


Mass spectrum (electron ionization)

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

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 NIST Mass Spectrometry Data Center, 1990.
NIST MS number 113504

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.


Gas Chromatography

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
CapillarySqualane50.892.4Lunskii and Paizanskaya, 1988He; Column length: 50. m; Column diameter: 0.22 mm
CapillarySqualane70.897.9Lunskii and Paizanskaya, 1988He; Column length: 50. m; Column diameter: 0.22 mm
CapillaryVacuum Grease Oil (VM-4)35.891.Sidorov, Petrova, et al., 1972 
CapillaryVacuum Grease Oil (VM-4)45.895.Sidorov, Petrova, et al., 1972 
CapillaryVacuum Grease Oil (VM-4)50.896.Sidorov, Petrova, et al., 1972 
CapillaryVacuum Grease Oil (VM-4)58.899.Sidorov, Petrova, et al., 1972 
CapillaryVacuum Grease Oil (VM-4)68.903.Sidorov, Petrova, et al., 1972 
PackedVacuum Grease Oil (VM-4)35.891.Sidorov, Ivanova, et al., 1971 

Kovats' RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-5888.25Wang, Fingas, et al., 199430. m/0.32 mm/0.25 μm, He, 50. C @ 2. min, 6. K/min; Tend: 300. C
CapillaryApiezon L914.Louis, 1971N2, 1. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 60. C

Van Den Dool and Kratz RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryOV-101887.6Yin, Liu, et al., 2001N2, 1. K/min; Column length: 80. m; Column diameter: 0.22 mm; Tstart: 30. C; Tend: 130. C

Normal alkane RI, non-polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
CapillaryOV-10150.886.Wu and Lu, 1984 
CapillaryOV-10150.897.Wu and Lu, 1984 
CapillaryOV-10170.889.Wu and Lu, 1984 
CapillaryOV-10170.905.Wu and Lu, 1984 

References

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

Good, 1970
Good, W.D., The enthalpies of combustion and formation of n-propylcyclohexane and six methylethylcyclohexanes, J. Chem. Thermodyn., 1970, 2, 399-405. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Sabatier and Mailhe, 1907
Sabatier, P.; Mailhe, A., Ann. Chim. Phys., 1907, 10, 551. [all data]

Miki, 1975
Miki, Y., The thermodynamic properties of C9H18 naphthenes. I. The determination of the equilibrium constants of the hydrogenation of propyl- and isopropylbenzene and ethyltoluenes, Bull. Chem. Soc. Jpn., 1975, 48, 201-208. [all data]

Mann, 1968
Mann, G., Conformation and physical data of alkanes and cyclanes. IV. Conformation energy of gauche-anticonformers, Tetrahedron, 1968, 24, 6495-65. [all data]

Lunskii and Paizanskaya, 1988
Lunskii, M.Kh.; Paizanskaya, I.L., Identification of hydrocarbons C1-C9 of petrol fractions of oils and condensates in the use of capillary columns with dinonylphthalate, Zh. Anal. Khim., 1988, 43, 127-135. [all data]

Sidorov, Petrova, et al., 1972
Sidorov, R.I.; Petrova, V.I.; Ivanova, M.P., Qualitative analysis of wide-boiling fraction C5-C10 with capillary chromatography in Processes in chromatographic columns. Vol.17, 1972, 14-25. [all data]

Sidorov, Ivanova, et al., 1971
Sidorov, R.I.; Ivanova, M.P.; Petrova, V.I., Temperature dependence of cycloalkane's retention and its using in identification of structure, Gazovaya Khromatografiya, 1971, 15, 18-26. [all data]

Wang, Fingas, et al., 1994
Wang, Z.; Fingas, M.; Li, K., Fractionation of a light crude oil and identification and quantitation of aliphatic, aromatic, and biomarker comopunds by GC-FID and GC-MS, Part II, J. Chromatogr. Sci., 1994, 32, 9, 367-382, https://doi.org/10.1093/chromsci/32.9.367 . [all data]

Louis, 1971
Louis, R., Kovats-index-tafeln zur gaschromatographischen analyse von kohlenwasserstoffgemischen, Erdoel Kohle Erdgas Petrochem., 1971, 24, 2, 88-94. [all data]

Yin, Liu, et al., 2001
Yin, C.; Liu, W.; Li, Z.; Pan, Z.; Lin, T.; Zhang, M., Chemometrics to chemical modeling: structural coding in hydrocarbons and retention indices of gas chromatography, J. Sep. Sci., 2001, 24, 3, 213-220, https://doi.org/10.1002/1615-9314(20010301)24:3<213::AID-JSSC213>3.0.CO;2-4 . [all data]

Wu and Lu, 1984
Wu, J.; Lu, W., Kovats indices of C4-C10 hydrocarbons in apolar quartz capillary OV-101, Chin. J. Chromatogr., 1984, 1, 1, 11-17. [all data]


Notes

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