[HTML version][PDF version][CIF][3d view][Structure Factors][Issue contents]  [Buy article online]

[Contents scheme]

Acta Cryst. (2013). C69, 934-936  [ doi:10.1107/S0108270113018143 ]

The zwitterionic structure of 2-hy­droxy-4-[(2-hy­droxy­benzyl­idene)amino]­benzoic acid

A. A. B. C. Júnior, G. S. G. De Carvalho, L. F. Marques, C. C. Corrêa, A. D. Da Silva and F. C. Machado

Synopsis: The title compound exists in a zwitterionic form. There is a strong intra­molecular N-H...O hydrogen bond, an intra­molecular O-H...O hydrogen bond, an inter­molecular C-H...O contact and [pi]-[pi] stacking inter­actions, resulting in a three-dimensional network.

Formula: C14H11NO4

Copyright © International Union of Crystallography
IUCr Webmaster