Phase V−T diagrams of solid hydrocarbons. part III: Cyclic compounds

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...

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Bibliographic Details
Published in:Low temperature physics (Woodbury, N.Y.) N.Y.), 2023-08, Vol.49 (8), p.971-978
Main Authors: Konstantinov, V. A., Karachevtseva, A. V., Sagan, V. V.
Format: Article
Language:English
Subjects:
Benzene
Cyclic compounds
Cyclic hydrocarbons
Cyclohexane
High temperature
Molar volume
Phase diagrams
Tetrahydrofuran
Thermal conductivity
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Summary: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.
ISSN:1063-777X
1090-6517
DOI:10.1063/10.0020165