2-(4-Isopropylbenzylidene)propanoic acid

Abstract

The two mol-ecules in the asymmetric unit of the title compound, C13H16O2, form dimers through O - H⋯O hydrogen bonding, resulting in R 2 2(8) rings. Each carboxyl- O atom is involved in inter-amolecular C - H⋯O hydrogen bonds, forming five-membered rings. There exist dissimilar dihedral angles within the two mol-ecules, for example the carboxylate and isopropyl groups make dihedral angles of 59.6 (4) and 71.7 (3)°in the two molecules. There are no intermolecular π inter-actions.