Crystal structure of (E)-2-[(4-hydroxybenzylidene)azaniumyl]benzoate

Crystal structure of (E)-2-[(4-hydroxybenzylidene)azaniumyl]benzoate

The title Schiff base, C14H11NO3, crystallizes as a zwitterion (i.e. proton transfer from the carboxylic acid group to the imine N atom). The dihedral angle between the aromatic rings is 19.59 (6)° and an intramolecular N—H...O hydrogen bond closes an S(6) ring. In the crystal, inversion dimers link...

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Bibliographic Details
Main Authors: M. Nawaz Tahir, Abdul Haleem Khan, Hazoor Ahmad Shad
Format: Article
Language:English
Published: International Union of Crystallography 2014-09-01
Series:Acta Crystallographica Section E
Subjects:
crystal structure
Schiff bases
azanium–carboxylate zwitterion
hydrogen bonding
Online Access:http://scripts.iucr.org/cgi-bin/paper?S1600536814018273
Description
Summary:The title Schiff base, C14H11NO3, crystallizes as a zwitterion (i.e. proton transfer from the carboxylic acid group to the imine N atom). The dihedral angle between the aromatic rings is 19.59 (6)° and an intramolecular N—H...O hydrogen bond closes an S(6) ring. In the crystal, inversion dimers linked by pairs of O—H...O hydrogen bonds generate R24(24) loops. The dimers are linked by C—H...O interactions, generating (211) sheets.
ISSN:1600-5368

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