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Crystal structure and Hirshfeld surface analysis of 1-[( E )-2-(3-nitro-phen-yl)diazen-1-yl]naphthalen-2-ol.
Publication Type: Academic Journal
Source(s): Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2023 Feb 09; Vol. 79 (Pt 3), pp. 142-145. Date of Electronic Publication: 2023 Feb 09 (Print Publication: 2023).
Abstract: The title compound, C 16 H 11 N 3 O 3 , belongs to the family of azo dyes. In the light of a single-crystal X-ray study, it is evident that of the tautomeric forms (azo-hydrazone), the hydrazone form is the predominant form in the solid state, namely, ...
Crystal structure of (E)-5-benz-yloxy-2-{[(4-nitro-phen-yl)imino]-meth-yl}phenol.
Publication Type: Academic Journal
Source(s): Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2015 Nov 28; Vol. 71 (Pt 12), pp. o1000-1. Date of Electronic Publication: 2015 Nov 28 (Print Publication: 2015).
Abstract: In the title compound, C20H16N2O4, the mol-ecule adopts an E conformation about the N=C bond. There is an intra-molecular O-H⋯N hydrogen bond forming an S(6) ring motif. The nitro-benzene and benz-yloxy rings are inclined to the central benzene ring by...
Crystal structure of 1-[(Z)-2-phenyl-hydrazin-1-yl-idene]naphthalen-2(1H)-one.
Publication Type: Academic Journal
Source(s): Acta crystallographica. Section E, Crystallographic communications [Acta Crystallogr E Crystallogr Commun] 2015 Apr 09; Vol. 71 (Pt 5), pp. o303. Date of Electronic Publication: 2015 Apr 09 (Print Publication: 2015).
Abstract: In the title compound, C16H12N2O, the dihedral angle between the planes of the benzene ring and naphthalenone ring system is 1.89 (8)°; an intra-molecular N-H⋯O hydrogen bond occurs between the imino group and the carbonyl group. In the crystal, mol-ec...
(E)-4-Chloro-2-{[4-(di-methyl-amino)-benzyl-idene]amino}-phenol.
Publication Type: Academic Journal
Source(s): Acta crystallographica. Section E, Structure reports online [Acta Crystallogr Sect E Struct Rep Online] 2014 Apr 26; Vol. 70 (Pt 5), pp. o603. Date of Electronic Publication: 2014 Apr 26 (Print Publication: 2014).
Abstract: In the title aromatic Schiff base compound, C15H15ClN2O, the mol-ecule exists in a trans conformation with respect to the C=N bond. The dihedral angle between the benzene rings is 14.49 (6)°. In the crystal, weak C-H⋯π inter-actions link mol-ecules int...
2-(1,3-Benzodioxol-5-yl)-1H-benzimid-azole.
Publication Type: Academic Journal
Source(s): Acta crystallographica. Section E, Structure reports online [Acta Crystallogr Sect E Struct Rep Online] 2014 Jan 18; Vol. 70 (Pt 2), pp. o157. Date of Electronic Publication: 2014 Jan 18 (Print Publication: 2014).
Abstract: The asymmetric unit of the title compound, C14H10N2O2, contains two independent mol-ecules. In each mol-ecule, the benzodioxole ring system displays an envelope conformation, with the methyl-ene C atom located at the flap deviating by 0.081 (2) and 0.2...
(E)-1-(3-Formyl-phen-yl)-2-(2-oxidonaphthalen-1-yl)diazen-1-ium.
Publication Type: Academic Journal
Source(s): Acta crystallographica. Section E, Structure reports online [Acta Crystallogr Sect E Struct Rep Online] 2013 Sep 04; Vol. 69 (Pt 10), pp. o1498. Date of Electronic Publication: 2013 Sep 04 (Print Publication: 2013).
Abstract: In the title zwitterion, C17H12N2O2, the dihedral angle between the benzene ring and naphthalene ring system is 11.76 (7)° and an intra-molecular N-H⋯O hydrogen bond exists. In the crystal, molecules are linked via pairs of C-H⋯O hydrogen bonds, formin...
(E)-1-[2-(2-Cyano-phen-yl)diazen-2-ium-1-yl]naphthalen-2-olate.
Publication Type: Academic Journal
Source(s): Acta crystallographica. Section E, Structure reports online [Acta Crystallogr Sect E Struct Rep Online] 2013 Jun 29; Vol. 69 (Pt 7), pp. o1175-6. Date of Electronic Publication: 2013 Jun 29 (Print Publication: 2013).
Abstract: There are two independent zwitterion mol-ecules (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 mol-...
Bis{1-[(E)-(2-chloro-phen-yl)diazen-yl]naphthalen-2-olato}copper(II).
Publication Type: Academic Journal
Source(s): Acta crystallographica. Section E, Structure reports online [Acta Crystallogr Sect E Struct Rep Online] 2013 Jun 22; Vol. 69 (Pt 7), pp. m405. Date of Electronic Publication: 2013 Jun 22 (Print Publication: 2013).
Abstract: The Cu(II) atom in the title compound, [Cu(C16H10ClN2O)2], is located on an inversion center and is tetra-coordinated by two N and two O atoms from two bidentate 1-[(E)-(2-chloro-phen-yl)diazen-yl]naphthalen-2-olate ligands, forming a square-planar com...
1-(3-Acetyl-phen-yl)-2-(2-oxidonaph-thalen-1-yl)diazen-1-ium.
Publication Type: Academic Journal
Source(s): Acta crystallographica. Section E, Structure reports online [Acta Crystallogr Sect E Struct Rep Online] 2013 Jun 08; Vol. 69 (Pt 7), pp. o1052. Date of Electronic Publication: 2013 Jun 08 (Print Publication: 2013).
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....
1-(4-Hy-droxy-phen-yl)-2-(2-oxidonaphthalen-1-yl)diazen-1-ium methanol hemisolvate.
Publication Type: Academic Journal
Source(s): Acta crystallographica. Section E, Structure reports online [Acta Crystallogr Sect E Struct Rep Online] 2013 May 11; Vol. 69 (Pt 6), pp. o867-8. Date of Electronic Publication: 2013 May 11 (Print Publication: 2013).
Abstract: In the title compound, C16H12N2O2·0.5CH3OH, the H atom of the -OH group has been transfered to the N atom in the azo group, forming a zwitterion. Hence, there is an intra-molecular N-H⋯O, rather than an O-H⋯N, hydrogen bond in the mol-ecule. The mol-ec...