Crystal Structure of 2-{[2-meth-oxy-5-(tri-fluoro-meth-yl)phen-yl]iminomethyl}-4-nitro-phenol

Abstract

In the title compound, C<inf>15</inf>H<inf>11</inf>F<inf>3</inf>N<inf>2</inf>O<inf>4</inf>, the N=C bond of the central imine group adopts an E conformation. The dihedral angle between two benzene rings is 6.2 (2)°. There is an intramolecular bifurcated O-H⋯(N,O) hydrogen bond with S(6) and S(9) ring motifs. In the crystal, molecules are linked by C-H⋯O hydrogen bonds into a helical chain along the 31 screw axis parallel to c. The -CF<inf>3</inf> group shows rotational disorder over two sites, with occupancies of 0.39 (2) and 0.61 (2).