Fluorine bomb calorimetry. Part 14.—Enthalpies of formation of the hexafluorides of sulphur, selenium, and tellurium and their thermodynamic properties to 1500°K
- 1 January 1966
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Transactions of the Faraday Society
- Vol. 62, 558-565
- https://doi.org/10.1039/tf9666200558
Abstract
The energies of formation of the hexafluorides of sulphur, selenium, and tellurium were measured by direct combination of the elements in a bomb calorimeter. From these measurements the standard enthalpies of formation ΔH° f298·15(g), were calculated (in kcal mole–1) : SF6, –291.77±0.24; SeF6, –266.95±0.14; TeF6, –327.20±0.56. These values are substantially more negative then those reported by Yost and Claussen in 1933. The thermodynamic properties of these compounds have been computed and tabulated from 0 to 1500°K.Keywords
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