Acta Crystallographica Section E (May 2009)
(E)-2,3-Bis(4-methoxyphenyl)acrylic acid
Abstract
In the title molecule, C17H16O4, the angle between the aromatic ring planes is 69.1 (6)°. The crystal structure is stabilized by intermolecular O—H...O hydrogen bonds; molecules related by a centre of symmetry are linked to form inversion dimers.