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

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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
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

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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

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

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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

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

References

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


Notes

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