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The title compound, C13H11NS2, contains a C≡C—H⋯N hydrogen bond to a pyridine-type N atom, with a C⋯N distance of 3.305 (4) Å and an H⋯N distance of 2.28 Å. This is one of the shortest C—H⋯N hydrogen bonds known.
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Boryczka et al. (2000) studied this question.
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