4-Methylpyridinium Hydrogen Sulfide

4-Methylpyridinium hydrogen sulfide, C₆H₇NH⁺.HS^-, was obtained as a by-product of the reaction between GaCl₃ and thioglycolic acid in a 4-methylpyridine solution. The compound consists of heterocyclic C₆H₇NH⁺ cationic rings and HS^- anions. Both the C₆H₇NH⁺ cation and the HS^- anion lie on crystallographic mirror planes with the N, S, two C and two H atoms positioned in the planes. The H atom of the HS^- anion was not located.

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