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The title compound, C16H15N3O2S, was synthesized by the reaction of 2-amino-5,6,7,8-tetra­hydro-4H-cyclo­hepta­[b]thio­phene-3-carbonitrile and o-fluoro­nitro­benzene. The thio­phene and nitro­phenyl rings and amino and carbonitrile groups are coplanar with a maximum deviation of 0.046 (2) Å and a dihedral angle of 0.92 (6)° between the rings. The cyclo­hepta ring adopts a chair conformation. Intra­molecular N—H...O and C—H...S inter­actions occur. In the crystal, the mol­ecules form layers that are linked by π–π stacking inter­actions between the thio­phene and benzene rings [centroid–centroid distances = 3.7089 (12) and 3.6170 (12) Å].
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