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What is it about?
The title compound, C11H15N3OS, is a thiosemicarbazone derivative of the raspberry ketone rheosmin [systematic name: 4-(4-hydroxyphenyl)butane-2-one]. The molecule deviates from planarity, with the bridging C-C-C=N torsion angle equal to -101.3 (2)°. The maximum deviation from the mean plane of the non-H atoms of the thiosemicarbazone fragment [C=N-N-C(= S)-N] is 0.085 (5) Å for the Schiff base N atom, and the dihedral angle between this mean plane and the aromatic ring is 50.31 (8)°. In the crystal, molecules are linked by N-H...O, N-H...S and O-H...S hydrogen bonds, forming a three-dimensional structure, with the molecules stacked along [011].