Thermodynamic Properties of Sulfur Compounds I. Hydrogen Sulfide, Diatomic Sulfur and the Dissociation of Hydrogen Sulfide

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Abstract
The thermodynamic properties of H2S are calculated from the structure recently obtained by the analysis of an infrared band. — [(F 0—E 0 0)/T]* 298.1 = 41.174. S * 298.1 = 49.151. (Not including the spin contribution.) Montgomery and Kassel's calculations for S2 are corrected in accordance with Badger's new interpretation of the data of Naudé and Christy. — [(F 0—E 0 0)/T]298.1 = 47.242. S 0 298.1 = 54.417. The results are applied to the reaction H2S = H2+½S2. The energy of dissociation of H2S into normal atoms, E 0 0, is found to be 173.8 kg cal. per mole.