Cyclohexane, 1,3-dimethyl-, 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, Reaction thermochemistry data, Gas phase ion energetics 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 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
Δcliquid-5219.0 ± 1.7kJ/molCcbJohnson, Prosen, et al., 1947Corresponding Δfliquid = -215.7 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid276.27J/mol*KN/AHuffman, Todd, et al., 1949DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
212.84298.15Huffman, Todd, et al., 1949T = 12 to 310 K.; DH

Reaction thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics 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: 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

Cyclohexane, 1,3-dimethyl-, cis- = Cyclohexane, 1,3-dimethyl-, trans-

By formula: C8H16 = C8H16

Quantity Value Units Method Reference Comment
Δr-7.9 ± 0.4kJ/molEqkMann, 1968gas phase; At 593K

Gas phase ion energetics data

Go To: Top, Condensed phase thermochemistry 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 evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
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

Quantity Value Units Method Reference Comment
IE (evaluated)9.53eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
9.52 ± 0.05EIHolmes and Lossing, 1991LL
9.53EQSieck and Mautner(Meot-Ner), 1982LBLHLM
9.89 ± 0.05EIHerzschuh and Sicker, 1981LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C6H11+11.05 ± 0.05C2H5EIHerzschuh and Sicker, 1981LLK
C7H13+10.82 ± 0.05CH3EIHerzschuh and Sicker, 1981LLK

References

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Notes

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

Johnson, Prosen, et al., 1947
Johnson, W.H.; Prosen, E.J.; Rossini, F.D., Heats of combustion and isomerization of the eight C8H16 alkylcyclohexanes, J. Res. NBS, 1947, 39, 49-52. [all data]

Huffman, Todd, et al., 1949
Huffman, H.M.; Todd, S.S.; Oliver, G.D., Low temperature thermal data on eight C8H16 alkylcyclohexanes, J. Am. Chem. Soc., 1949, 71, 584-592. [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]

Holmes and Lossing, 1991
Holmes, J.L.; Lossing, F.P., Ionization energies of homologous organic compounds and correlation with molecular size, Org. Mass Spectrom., 1991, 26, 537. [all data]

Sieck and Mautner(Meot-Ner), 1982
Sieck, L.W.; Mautner(Meot-Ner), M., Ionization energies and entropies of cycloalkanes. Kinetics of free energy controlled charge-transfer reactions, J. Phys. Chem., 1982, 86, 3646. [all data]

Herzschuh and Sicker, 1981
Herzschuh, R.; Sicker, A., Stereochemische einflusse auf die ionisations- und auftrittsenergien cis/trans-isomerer dimethylcycloalkane, Z. Chem., 1981, 21, 409. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References