Cyclohexane, 1,3-dimethyl-, 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 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-1247.38 ± 0.40kcal/molCcbJohnson, Prosen, et al., 1947Corresponding Δfliquid = -51.55 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid66.030cal/mol*KN/AHuffman, Todd, et al., 1949DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
50.870298.15Huffman, Todd, et al., 1949T = 12 to 310 K.; DH

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:
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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil396. ± 4.KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus406.83KN/AStreiff, Murphy, et al., 1947Uncertainty assigned by TRC = 0.06 K; TRC
Tfus179.76KN/AForziati, Glasgow, et al., 1946Uncertainty assigned by TRC = 0.02 K; called 1,cis-3-cimethylcyclohexane in the article; TRC
Tfus196.45KN/AAnonymous, 1941Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Ttriple183.06KN/AHuffman, Todd, et al., 1949, 2Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple183.030KN/AHuffman, 1948Uncertainty assigned by TRC = 0.05 K; TRC
Ttriple183.060KN/AHuffman, 1948Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Δvap9.371kcal/molN/AMajer and Svoboda, 1985 
Δvap9.35kcal/molN/AKusano and Saito, 1975AC
Δvap9.37kcal/molN/AReid, 1972AC
Δvap9.37 ± 0.02kcal/molCOsborne and Ginnings, 1947AC
Δvap9.367kcal/molCOsborne and Ginnings, 1947, 2ALS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
7.980397.6N/AMajer and Svoboda, 1985 
9.06329.AStephenson and Malanowski, 1987Based on data from 314. to 400. K.; AC
8.94329.MMWillingham, Taylor, et al., 1945Based on data from 314. to 394. K.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
2.3580183.06Huffman, Todd, et al., 1949DH
2.36183.1Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
12.88183.06Huffman, Todd, et al., 1949DH

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:


Gas phase ion energetics 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 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, Phase change 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]

Streiff, Murphy, et al., 1947
Streiff, A.J.; Murphy, E.T.; Cahill, J.C.; Flanagan, H.F.; Sedlak, V.A.; Willingham, C.B.; Rossini, F.D., Purification, Purity, and Freezing Points of 8 Nonanes, 11 Alkyl- cyclopentanes, 6 Alkylcyclohexanes, and 4 Butylbenzenes of the API-NBS Series, J. Res. Natl. Bur. Stand. (U. S.), 1947, 38, 53. [all data]

Forziati, Glasgow, et al., 1946
Forziati, A.F.; Glasgow, A.R.; Willingham, C.B.; Rossini, F.D., Specification adn Properties of 29 Paraffin, 4 Alkylcyclopentanes, 10 Alkylcyclohexanes and 8 Alkylbenzene Hydrocarbons, J. Res. Natl. Bur. Stand. (U. S.), 1946, 36, 129. [all data]

Anonymous, 1941
Anonymous, R., , Am. Pet. Inst. Hydrocarbon Res. Proj., Third Annu. Rep., Ohio State Univ., Aug. 31, 1941. [all data]

Huffman, Todd, et al., 1949, 2
Huffman, H.M.; Todd, S.S.; Oliver, G.D., Low Temperature Thermal Data on Eight C8H16 Alkylcyclohexanes, J. Am. Chem. Soc., 1949, 71, 584. [all data]

Huffman, 1948
Huffman, H.M., Personal Commun., U. S. Bur. Mines, Bartlesville, OK, 1948. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Kusano and Saito, 1975
Kusano, K.; Saito, Y., , Preprints 33rd Ann. Meeting Chem. Soc. Japan, Japan, 1975, 123. [all data]

Reid, 1972
Reid, Robert C., Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00, AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637 . [all data]

Osborne and Ginnings, 1947
Osborne, Nathan S.; Ginnings, Defoe C., Measurements of heat of vaporization and heat capacity of a number of hydrocarbons, J. RES. NATL. BUR. STAN., 1947, 39, 5, 453-17, https://doi.org/10.6028/jres.039.031 . [all data]

Osborne and Ginnings, 1947, 2
Osborne, N.S.; Ginnings, D.C., Measurements of heat of vaporization and heat capacity of a number of hydrocarbons, J. Res. NBS, 1947, 39, 453-477. [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]

Willingham, Taylor, et al., 1945
Willingham, C.B.; Taylor, W.J.; Pignocco, J.M.; Rossini, F.D., Vapor pressures and boiling points of some paraffin, alkylcyclopentane, alkylcyclohexane, and alkylbenzene hydrocarbons, J. RES. NATL. BUR. STAN., 1945, 35, 3, 219-17, https://doi.org/10.6028/jres.035.009 . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [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

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