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Cyclohexane, 1,4-dimethyl-, cis-

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Gas 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: Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
gas88.640cal/mol*KN/AHuffman H.M., 1949 

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
9.50050.Thermodynamics Research Center, 1997p=1 bar. There is an appreciable difference, mainly at high temperatures, with values estimated earlier by a method of increments [ Beckett C.W., 1947].
15.60100.
20.47150.
25.07200.
33.48273.15
36.76298.15
37.00300.
50.36400.
62.40500.
72.49600.
80.90700.
88.00800.
94.02900.
99.161000.
103.61100.
107.41200.
110.71300.
113.51400.
115.91500.
120.71750.
124.12000.
126.62250.
128.52500.
129.92750.
131.03000.

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
Deltacliquid-1247.40 ± 0.41kcal/molCcbJohnson, Prosen, et al., 1947Corresponding «DELTA»fliquid = -51.53 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid64.799cal/mol*KN/AHuffman, Todd, et al., 1949DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
50.691298.15Huffman, Todd, et al., 1949T = 12 to 310 K.; DH

References

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

Huffman H.M., 1949
Huffman H.M., Low-temperature thermal data on eight C8H16 alkylcyclohexanes, J. Am. Chem. Soc., 1949, 71, 584-592. [all data]

Thermodynamics Research Center, 1997
Thermodynamics Research Center, Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]

Beckett C.W., 1947
Beckett C.W., The thermodynamic properties and molecular structure of cyclohexane, methylcyclohexane, ethylcyclohexane, and seven dimethylcyclohexanes, J. Am. Chem. Soc., 1947, 69, 2488-2495. [all data]

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]


Notes

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