The Enthalpies of Combustion and Formation of Thianthrene.
- 1 July 1975
- journal article
- Published by National Institute of Standards and Technology (NIST) in Journal of Research of the National Bureau of Standards Section A: Physics and Chemistry
- Vol. 79 (4) , 561-564
- https://doi.org/10.6028/jres.079A.018
Abstract
The enthalpy of combustion of thianthrene (diphenylene disulfide) has been determined in an oxygen-bomb calorimeter. The enthalpy of formation has been derived using data from the available literature. The results obtained are as follows: C 12 H 8 S 2 ( c ) + 17 O 2 ( g ) + 228 H 2 O ( liq ) = 12 CO 2 ( g ) + 2 [ H 2 SO 4 + 115 H 2 O ] ( liq ) Δ H c ° ( 25 ° C ) = - 7253.27 ± 1.40 kJ / mol ( - 1733.65 ± 0.33 kcal / mol ) Δ H f ° ( 25 ° C ) = 184.23 ± 1.50 kJ / mol ( 44.03 ± 0.36 kcal / mol ) A comparison is given of the results of this investigation with those of previous investigators.Keywords
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