2-Carbamoyl-3,4,5,6-tetra­fluoro­benzoic acid

In the title compound, C8H3F4NO3, the carb­oxy group lies nearly in the plane of the ring with a C—C—C—O torsion angle of −10.5 (4)°. The carbamoyl group is almost perpendic­ular to the benzene ring [C—C—C—O torsion angle = 82.2 (4) °]. In the crystal, molecules are linked via O—H⋯O and N—H⋯O hydrog...

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Bibliographic Details
Main Authors: Lu, Tao, Liao, Xiao-Jian, Liang, Yuan-Wei, Xu, Shi-Hai
Format: Online
Language:English
Published: International Union of Crystallography 2012
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3470221/