title: Crystal structure of (E)-1-methyl-2-[2-(2-methoxphen-yl)ethen-yl]-4-nitro-1H-imidazole.
abstract: In the asymmetric unit of the title compound, C13H13N3O3, the 2-(2-methoxphen-yl)ethenyl unit is connected to the methyl-nitro-imidazole 1-methyl-4-nitro-1H-imidazole moiety. The mol-ecule is quasi-planar and the planes of the two rings form a dihedral angle of 0.92 (11)°. The crystal packing can be described as layers parallel to the (011) plane, stabilized by inter-molecular C-H⋯O hydrogen bonding, resulting in the formation of an infinite three-dimensional network linking these layers. Strong π-π stacking inter-actions are observed, viz. benzene-benzene, imidazole-imidazole and benzene-imidazole rings, with centroid-centroid distances of 3.528 (2), 3.457 (2) and 3.544 (2) Å, respectively. Intensity statistics indicated twinning by non-merohedry, with refined weighs of the twin components of 0.3687:0.6313.
authors.affiliation: Laboratoire des Produits Naturels d'Origine Végétale et de Synthèse Organique, PHYSYNOR, Université Constantine 1, 25000 Constantine, Algeria.
authors.forename: Hayette
authors.initials: H
authors.lastname: Alliouche
authors.affiliation: Laboratoire des Produits Naturels d'Origine Végétale et de Synthèse Organique, PHYSYNOR, Université Constantine 1, 25000 Constantine, Algeria.
authors.forename: Abdelmalek
authors.initials: A
authors.lastname: Bouraiou
authors.affiliation: Unité de Recherche de Chimie de l'Environnement et Moléculaire Structurale (CHEMS), Université Constantine 1, 25000 , Algeria ; Département Sciences de la Matière, Faculté des Sciences Exactes et Sciences de la Nature et de la Vie, Université Oum El Bouaghi, Algeria.
authors.forename: Sofiane
authors.initials: S
authors.lastname: Bouacida
authors.affiliation: Unité de Recherche de Chimie de l'Environnement et Moléculaire Structurale (CHEMS), Université Constantine 1, 25000 , Algeria.
authors.forename: Hocine
authors.initials: H
authors.lastname: Merazig
authors.affiliation: Laboratoire des Produits Naturels d'Origine Végétale et de Synthèse Organique, PHYSYNOR, Université Constantine 1, 25000 Constantine, Algeria.
authors.forename: Ali
authors.initials: A
authors.lastname: Belfaitah
keywords: crystal structure; hydrogen bonding; nitro­imidazoles,; π–π stacking inter­actions