(E)-1-[2-(2-Cyanophenyl)diazen-2-ium-1-yl]naphthalen-2-olate

Hassiba Bougueria,Abd El Kader Bouchoul,Sofiane Bouacida,Mohamed Amine Benaouida

doi:10.1107/s1600536813017261

Hassiba Bougueria, Abd El Kader Bouchoul + Show 2 more

Open Access

https://doi.org/10.1107/s1600536813017261

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Abstract

There are two independent zwitterion molecules (A and B) in the asymmetric unit of the title compound, C17H11N3O, which belongs to the family of azo dyes. The dihedral angle between the benzene ring and the naphthalene ring system is 6.99 (6)° in molecule A and 4.38 (6)° in molecule B. The azo group adopts an E conformation with respect to the –N=N– bond and each of the independent molecules has an intramolecular N—H⋯O hydrogen bond. In the crystal, molecules are linked by C—H⋯O and C—H⋯N hydrogen bonds, forming ribbons propagating along [-110]. The ribbons are linked via π–π interactions involving the benzene and naphthalene rings of inversion-related A and inversion-related B molecules, forming a three-dimensional structure. The most significant centroid–centroid distances vary from 3.6599 (6) to 3.7538 (9) Å.

Highlights

Unité de Recherche de Chimie de l’Environnement et Moléculaire Structurale (CHEMS), Département de Chimie, Université Mentouri de Constantine 1, 25000
There are two independent zwitterion molecules (A and B) in the asymmetric unit of the title compound, C17H11N3O, which belongs to the family of azo dyes
We thank all researchers of the CHEMS Research Unit of the University of Constantine, Algeria, for the valuable

Summary

Crystal data

There are two independent zwitterion molecules (A and B) in the asymmetric unit of the title compound, C17H11N3O, which belongs to the family of azo dyes. The dihedral angle between the benzene ring and the naphthalene ring system is 6.99 (6). In molecule A and 4.38 (6) in molecule B. The azo group adopts an E conformation with respect to the –N N– bond and each of the independent molecules has an intramolecular. Molecules are linked by C—H O and C—H N hydrogen bonds, forming ribbons propagating along [110]. – interactions involving the benzene and naphthalene rings of inversion-related A and inversion-related B molecules, forming a three-dimensional structure. The most significant centroid–centroid distances vary from 3.6599 (6) to

Bruker APEXII diffractometer

Findings

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