Crystal structure of (E)-2-[(2S,5R)-2-isopropyl-5-methylcyclohexylidene]hydrazine-1-carbothioamide
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The title compound, C11H21N3S, consists of a menthone moiety attached to an extended thiosemicarbazone group with the N - N - C - N torsion angle being 11.92 (16)°. The cyclohexane ring has a chair conformation and the conformation about the C=N bond is E. In the crystal, molecules are linked via pairs of N - H⋯S hydrogen bonds, forming chains along the a axis. The absolute structure could be assigned with reference to the starting material, i.e. enantiopure (-)-menthone [Flack parameter = 0.05 (5)].
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Oliveira, Adriano Bof De et al. Crystal structure of (E)-2-[(2S,5R)-2-isopropyl-5-methylcyclohexylidene]hydrazine-1-carbothioamide. Acta Crystallographica Section E: Structure Reports Online, v. 70, n. 9, p. o903-o904, 2014. Available at: <http://hdl.handle.net/11449/220213>.