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Cyclobutane

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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis

Quantity Value Units Method Reference Comment
Tboil284. ± 5.KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus183.0KN/AKaarsemaker and Coops, 1952Uncertainty assigned by TRC = 1. K; TRC
Tfus193.KN/AWillstatter and Bruce, 1907Uncertainty assigned by TRC = 3. K; TRC
Tfus273.14KN/AWillstatter and Bruce, 1907Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Ttriple182.4 ± 0.6KAVGN/AAverage of 12 values; Individual data points
Quantity Value Units Method Reference Comment
Deltavap23.92kJ/molN/AMajer and Svoboda, 1985 
Deltavap23.2kJ/molVKaarsemaker and Coops, 1952ALS
Deltavap23.3 ± 0.4kJ/molVCoops and Kaarsemaker, 1950ALS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
24.188285.66N/ARathjens and Gwinn, 1953P = 101.325 kPa; DH
24.19285.7N/AMajer and Svoboda, 1985 
25.2272.AStephenson and Malanowski, 1987Based on data from 198. - 287. K.; AC
5.781559.CRathjens and Gwinn, 1953, 2ALS
25.2270.N/ARathjens and Gwinn, 1953Based on data from 217. - 285. K. See also Boublik, Fried, et al., 1984.; AC

Entropy of vaporization

DeltavapS (J/mol*K) Temperature (K) Reference Comment
84.67285.66Rathjens and Gwinn, 1953P; DH

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
213.22 - 285.344.071431038.009-30.334Rathjens and Gwinn, 1953Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
36.4145.BBondi, 1963AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
1.09182.4Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
39.17145.7Domalski and Hearing, 1996CAL
5.96182.4

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
5.707145.7crystaline, IIcrystaline, IRathjens and Gwinn, 1953Transition over about 120 to 145.7 K. Values represent excess over extrapolated Cp curves.; DH
1.088182.42crystaline, IliquidRathjens and Gwinn, 1953DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
39.17145.7crystaline, IIcrystaline, IRathjens and Gwinn, 1953Transition; DH
5.96182.42crystaline, IliquidRathjens and Gwinn, 1953DH

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.

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]

Willstatter and Bruce, 1907
Willstatter, R.; Bruce, J., Chem. Ber., 1907, 40, 3979. [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]

Coops and Kaarsemaker, 1950
Coops, J.; Kaarsemaker, SJ., Heat of combustion of cyclobutane, Recl. Trav. Chim. Pays-Bas, 1950, 69, 1364. [all data]

Rathjens and Gwinn, 1953
Rathjens, G.W., Jr.; Gwinn, W.D., Heat capacities and entropy of cyclobutane, J. Am. Chem. Soc., 1953, 75, 5629-5633. [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]

Rathjens and Gwinn, 1953, 2
Rathjens, G.W., Jr.; Gwinn, W.D., Heat capacities and entropy of cyclobutane, J. Am. Chem. Soc., 1953, 75, 5629-56. [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [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]

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]


Notes

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