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What is it about?
The conformation of the title molecule, C17H17N3S, is stabilized by an intramolecular N-H...N hydrogen bond involving the azometinic group. The dihedral angle between the two aromatic rings is 36.49 (06)°. The non-aromatic ring of the tetralone substituent adopts a sofa conformation. In the crystal, molecules are linked by pairs of N-H...S hydrogen bonds related via centres of symmetry, forming dimers.