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1-(3-Acetyl-phen-yl)-2-(2-oxidonaph-thalen-1-yl)diazen-1-ium.

ABSTRACT: The title compound, C18H14N2O2, crystallized with two independent zwitterion mol-ecules (A and B) in the asymmetric unit. They are both close to planar, the dihedral angle between the benzene ring and naphthalene ring system being 4.30?(9)° in A and 4.69?(9)° in B. Each mol-ecule has an E conformation with respect to the azo double bond. In each of the independent mol-ecules, an intra-molecular N-H?O hydrogen bond forms an S(6) ring motif. In the crystal, mol-ecules are linked via C-H?O hydrogen bonds, forming -A-A-A- and -B-B-B- chains parallel to one another and propagating along the a-axis direction. There are also ?-? inter-actions between adjacent mol-ecules involving benzene and naphthalene rings [centroid-centroid distance of 3.626?(3)?Å for adjacent A mol-ecules and 3.652?(3)?Å for adjacent B mol-ecules].

SUBMITTER: Bougueria H 

PROVIDER: S-EPMC3772484 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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1-(3-Acetyl-phen-yl)-2-(2-oxidonaph-thalen-1-yl)diazen-1-ium.

Bougueria Hassiba H   Benosmane Ali A   Benaouida Mohamed Amine MA   Bouchoul Abd El Kader Ael K   Bouaoud Salah Eddine SE  

Acta crystallographica. Section E, Structure reports online 20130608 Pt 7

The title compound, C18H14N2O2, crystallized with two independent zwitterion mol-ecules (A and B) in the asymmetric unit. They are both close to planar, the dihedral angle between the benzene ring and naphthalene ring system being 4.30 (9)° in A and 4.69 (9)° in B. Each mol-ecule has an E conformation with respect to the azo double bond. In each of the independent mol-ecules, an intra-molecular N-H⋯O hydrogen bond forms an S(6) ring motif. In the crystal, mol-ecules are linked via C-H⋯O hydrogen  ...[more]

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