P−T and V−T phase diagrams of cyclic hydrocarbons, namely benzene (C6H6), cyclopentane (C5H10), thiophene (C4H4S), and tetrahydrofuran (C4H8O), were constructed using both literature and our experimental data obtained during the study of isochoric thermal conductivity in high-temperature phase. The V−T phase diagrams of cyclohexane (C6H12) and furan (C4H4O), presented earlier, were refined and supplemented with P−T diagrams. The possibility of constructing a phase diagram for cyclohexene (C6H10) is also discussed. The changes in molar volume during melting and the boundaries of the existence of high-temperature phases have been determined. The magnitudes of thermal pressure of cyclic hydrocarbons studied were obtained. Experimental values of dPm/dT on melting line were compared with those calculated by the Clapeyron-Clausius equation.
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August 2023
Research Article|
August 01 2023
Phase V−T diagrams of solid hydrocarbons. part III: Cyclic compounds
V. A. Konstantinov;
V. A. Konstantinov
a)
B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine
, Kharkiv 61103, Ukraine
a)Author to whom correspondence should be addressed: konstantinov@ilt.kharkov.ua
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A. V. Karachevtseva;
A. V. Karachevtseva
B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine
, Kharkiv 61103, Ukraine
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V. V. Sagan
V. V. Sagan
B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine
, Kharkiv 61103, Ukraine
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a)Author to whom correspondence should be addressed: konstantinov@ilt.kharkov.ua
Fiz. Nizk. Temp. 49, 1066–1073 (August 2023)
Low Temp. Phys. 49, 971–978 (2023)
Article history
Received:
June 27 2023
Citation
V. A. Konstantinov, A. V. Karachevtseva, V. V. Sagan; Phase V−T diagrams of solid hydrocarbons. part III: Cyclic compounds. Low Temp. Phys. 1 August 2023; 49 (8): 971–978. https://doi.org/10.1063/10.0020165
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