Acta Crystallographica Section E: Structure Reports Online - Volume 67, issue Pt 2

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Electronic ISSN
1600-5368

Abstract

In the title compound, C20H17BrN2O2, the seven-membered oxepine ring adopts a chair conformation. The indole moiety is essentially planar with a maximum deviation of 0.031 (3)Å. The indole ring system forms a dihedral angle of 21.87 (8)° with the mean p

Abstract

In the title compound, C15H10O4, the benzene ring is twisted at an angle of 20.7 (1)° relative to the 4H-chromene skeleton. In the crystal, adjacent mol­ecules are linked via a network of O—H⋯O and C—H⋯O hydrogen bonds. The mean planes of adjacent 4<

Abstract

In the title compound, C15H13BrN2, the benzimidazole group is almost planar, as indicated by the dihedral angle of 2.6 (3)° between the best planes through the benzene and imidazole rings. The best plane through the attached benzene makes an angle of 44.5 (2)° wit

Abstract

The title mol­ecule, C16H15BrO4, was prepared by the reaction of (R)-2,4-dioxo-1,5-dioxaspiro­[5.5]undecane and 4-bromo­benzaldehyde with ethanol. The 1,3-dioxane ring exhibits a distorted boat and the fused cyclo­hexane ring exhibits a chair conformation.<

Abstract

The mol­ecule of the title compound, C14H11N3O5, assumes an E configuration with respect to the methyl­idene unit. An intra­molecular O—H⋯O hydrogen bond is present in the mol­ecule. The dihedral angle between the mean planes of the two benzene r

Abstract

In the crystal structure of the title compound, C10H11NO5, inter­molecular O—H⋯O hydrogen bonds link the mol­ecules into chains along the b-axis direction. Weak C—H.·O hydrogen bonds also occur.

Abstract

In the title compound, C12H16N4+·2C7H4NO4, the complete 2,2′-(p-phenyl­ene)bis­(4,5-dihydro-1H-imidazol-3-ium) (bib) dication is generated by crystallographic inversion symmetry. The bib cations

Abstract

In the title hydrated mol­ecular salt, [Mg(H2O)6](C13H9BrNO4S)2·2H2O, the Mg2+ ion (site symmetry ) adopts a near regular MgO6 octa­hedral coordination geometry. In the anion, the dihedral angle bet