title: Crystal structure of 2-(4-chloro-benzamido)-benzoic acid.
abstract: In the title mol-ecule, C14H10ClNO3, the amide C=O bond is anti to the o-carb-oxy substituent in the adjacent benzene ring, a conformation that facilitates the formation of an intra-molecular amide-N-H⋯O(carbon-yl) hydrogen bond that closes an S(6) loop. The central amide segment is twisted away from the carb-oxy- and chloro-substituted benzene rings by 13.93 (17) and 15.26 (15)°, respectively. The most prominent supra-molecular inter-actions in the crystal packing are carb-oxy-lic acid-H⋯O(carbox-yl) hydrogen bonds that lead to centrosymmetric dimeric aggregates connected by eight-membered {⋯HOC=O}2 synthons.
authors.affiliation: Departamento de Química - Facultad de Ciencias Naturales y Exactas, Universidad del Valle, Apartado 25360, Santiago de Cali, Colombia.
authors.forename: Rodolfo
authors.initials: R
authors.lastname: Moreno-Fuquen
authors.affiliation: Departamento de Química - Facultad de Ciencias Naturales y Exactas, Universidad del Valle, Apartado 25360, Santiago de Cali, Colombia.
authors.forename: Vanessa
authors.initials: V
authors.lastname: Melo
authors.affiliation: Instituto de Física de São Carlos, IFSC, Universidade de São Paulo, USP, São Carlos, SP, Brazil.
authors.forename: Javier
authors.initials: J
authors.lastname: Ellena
keywords: amide; carb­oxy­lic acid; crystal structure; hydrogen bonding