Crystal structure of 1,1′-{(pentane-1,5-diyl)bis[(azaniumylylidene)methanylylidene]}bis(naphthalen-2-olate)

Abstract

The whole mol­ecule of the title Schiff base is generated by twofold rotational symmetry. It crystallizes as a bis-zwitterion, and there are two intra­molecular N—H⋯O hydrogen bonds present. In the crystal, mol­ecules are linked by pairs of C—H⋯O hydrogen bonds forming ribbons propagating along [001].