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Cyclooctane

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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
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil422. ± 6.KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus285. ± 5.KAVGN/AAverage of 10 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple287.94KN/AFinke, Scott, et al., 1956Crystal phase 1 phase; Uncertainty assigned by TRC = 0.07 K; TRC
Ttriple287.98KN/AFinke, Scott, et al., 1956Crystal phase 1 phase; Uncertainty assigned by TRC = 0.05 K; TRC
Ttriple287.940KN/AWaddington, 1955Uncertainty assigned by TRC = 0.05 K; date of correspondence not given on card; TRC
Ttriple287.970KN/AWaddington, 1955Uncertainty assigned by TRC = 0.02 K; date of correspondence not given on card; TRC
Ttriple288.0KN/AKaarsemaker, 1951Crystal phase 1 phase; Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Tc647.2 ± 0.5KN/ADaubert, 1996 
Tc674.2KN/AYoung, 1972Uncertainty assigned by TRC = 0.6 K; TRC
Tc647.2KN/AHicks and Young, 1971Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Pc35.1 ± 0.4atmN/ADaubert, 1996 
Pc35.04atmN/AYoung, 1972Uncertainty assigned by TRC = 0.39 atm; TRC
Pc35.13atmN/AHicks and Young, 1971Uncertainty assigned by TRC = 0.4000 atm; TRC
Quantity Value Units Method Reference Comment
Vc0.410l/molN/ADaubert, 1996 
Vc0.411l/molN/AYoung, 1972Uncertainty assigned by TRC = 0.007 l/mol; TRC
Quantity Value Units Method Reference Comment
rhoc2.44 ± 0.04mol/lN/ADaubert, 1996 
Quantity Value Units Method Reference Comment
Deltavap10.360 ± 0.050kcal/molVFinke, Scott, et al., 1956, 2ALS
Deltavap10.3 ± 0.05kcal/molN/AFinke, Scott, et al., 1956, 3AC
Deltavap10.7kcal/molVKaarsemaker and Coops, 1952ALS
Deltavap10.4kcal/molESpitzer and Huffman, 1947ALS

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
424.20.974Aldrich Chemical Company Inc., 1990BS
421.70.986Weast and Grasselli, 1989BS

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
9.63373.N/AWu, Locke, et al., 1991Based on data from 358. - 413. K.; AC
10.3304.AStephenson and Malanowski, 1987Based on data from 289. - 369. K.; AC
9.42384.A,EBStephenson and Malanowski, 1987Based on data from 369. - 467. K. See also Finke, Scott, et al., 1956, 3.; AC
9.39388.EBMeyer and Hotz, 1976Based on data from 373. - 434. K.; AC
10.3306.N/AAnand, Grolier, et al., 1975Based on data from 291. - 323. K.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
369.86 - 467.63.982341438.687-63.024Finke, Scott, et al., 1956, 3Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kcal/mol) Temperature (K) Method Reference Comment
14.0166.BBondi, 1963AC

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
0.576288.Acree, 1991AC

Enthalpy of phase transition

DeltaHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
1.5071166.5crystaline, IIIcrystaline, IIFinke, Scott, et al., 1956, 3DH
0.1143183.8crystaline, IIcrystaline, IFinke, Scott, et al., 1956, 3DH
0.57591287.98crystaline, IliquidFinke, Scott, et al., 1956, 3DH

Entropy of phase transition

DeltaStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
9.051166.5crystaline, IIIcrystaline, IIFinke, Scott, et al., 1956, 3DH
0.621183.8crystaline, IIcrystaline, IFinke, Scott, et al., 1956, 3DH
2.00287.98crystaline, IliquidFinke, Scott, et al., 1956, 3DH

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:


References

Go To: Top, Phase change data, Notes

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

Finke, Scott, et al., 1956
Finke, H.L.; Scott, D.W.; Gross, M.E.; Messerly, J.F.; Waddington, G., Cycloheptane, Cyclooctane and 1,3,5-Cycloheptatriene. Low Temperature Thermal Properties, Vapor Pressure and Derived Chemical Thermodynamic Prop., J. Am. Chem. Soc., 1956, 78, 5469. [all data]

Waddington, 1955
Waddington, G., Personal Commun., 1955. [all data]

Kaarsemaker, 1951
Kaarsemaker, S., , Thesis, 1951. [all data]

Daubert, 1996
Daubert, T.E., Vapor-Liquid Critical Properties of Elements and Compounds. 5. Branched Alkanes and Cycloalkanes, J. Chem. Eng. Data, 1996, 41, 365-372. [all data]

Young, 1972
Young, C.L., Gas-liquid critical properties of the cycloalkanes and their mixtures, Aust. J. Chem., 1972, 25, 1625-30. [all data]

Hicks and Young, 1971
Hicks, C.P.; Young, C.L., Critical Temperatures of Mixtures of Quasi-spherical Molecules. Alicyclic Hydrocarbons + Benzene, + Hexafluorobenzene and + Perfluorocyclohexane, Trans. Faraday Soc., 1971, 67, 1605-11. [all data]

Finke, Scott, et al., 1956, 2
Finke, H.L.; Scott, D.W.; Gross, M.E.; Messerly, J.F.; Waddington, G., Cycloheptane, cyclooctane and 1,3,5-cycloheptatriene. Low temperature thermal properties, vapor pressure and derived chemical thermodynamic properties, J. Am. Chem. Soc., 1956, 78, 5469-54. [all data]

Finke, Scott, et al., 1956, 3
Finke, H.L.; Scott, D.W.; Gross, M.E.; Messerly, J.F.; Waddington, G., Cycloheptane, cyclooctane and 1,3,5-cycloheptatriene. Low temperature thermal properties, vapor pressure and derived chemical thermodynamic properties, J. Am. Chem. Soc., 1956, 78, 5469-5476. [all data]

Kaarsemaker and Coops, 1952
Kaarsemaker, S.; Coops, J., Thermal quantities of some cycloparaffins. Part III. Results of measurements, Rec. Trav. Chim. Pays/Bas, 1952, 71, 261. [all data]

Spitzer and Huffman, 1947
Spitzer, R.; Huffman, H.M., The heats of combustion of cyclopentane, cyclohexane, cycloheptane and cyclooctane, J. Am. Chem. Soc., 1947, 69, 211-213. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [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]

Wu, Locke, et al., 1991
Wu, Huey S.; Locke, William E.; Sandler, Stanley I., Isothermal vapor-liquid equilibrium of binary mixtures containing morpholine, J. Chem. Eng. Data, 1991, 36, 1, 127-130, https://doi.org/10.1021/je00001a037 . [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]

Meyer and Hotz, 1976
Meyer, Edwin F.; Hotz, Carol A., Cohesive energies in polar organic liquids. 3. Cyclic ketones, J. Chem. Eng. Data, 1976, 21, 3, 274-279, https://doi.org/10.1021/je60070a035 . [all data]

Anand, Grolier, et al., 1975
Anand, Subhash C.; Grolier, Jean P.E.; Kiyohara, Osamu; Halpin, Carl J.; Benson, George C., Thermodynamic properties of some cycloalkane-cycloalkanol systems at 298. 15K. III, J. Chem. Eng. Data, 1975, 20, 2, 184-189, https://doi.org/10.1021/je60065a020 . [all data]

Bondi, 1963
Bondi, A., Heat of Siblimation of Molecular Crystals: A Catalog of Molecular Structure Increments., J. Chem. Eng. Data, 1963, 8, 3, 371-381, https://doi.org/10.1021/je60018a027 . [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]


Notes

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