(4-fluorophenyl)thiourea-1,10-phenanthroline (1/1)

Abstract

Refluxing a mixture of 1,10-phenanthroline, (4-fluorophenyl)thiourea and cadmium(II) chloride did not produce the expected mixed-ligand complex but formed a co-crystal of the two ligands, C12H8N 2·C7H7FN2S. The asymmetric unit consists of two pairs of the co-crystal molecules. In each (4-fluorophenyl)thiourea molecule, the planes of the N 2CS thiourea units are almost perpendicular to the corresponding fluorobenzene rings, subtending angles of 76.53 (7) and 85.25 (7)°. In the crystal, N - H⋯N and N - H⋯S hydrogen bonds form inversion dimers from the co-crystal pairs. A weak π-π interaction between the phenanthroline rings [centroid-centroid distance = 3.7430 (15)Å] is also observed. Show more