Acta Crystallographica Section E: Structure Reports Online - Volume 64, issue Pt 8

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Electronic ISSN
1600-5368

Abstract

The structure of the title compound, C5H5N2O2+·Cl, is composed of chloride anions and 4-carboxy­pyridazin-1-ium cations. Chloride anions bridge the cations via O—H⋯Cl and N—H⋯Cl hydrogen bonds to form ribbons. The latter, l

Abstract

In the crystal structure of the title compound, C7H8N2O, mol­ecules are connected via inter­molecular N—H⋯O and O—H⋯N hydrogen bonds to form a two-dimensional supra­molecular structure. The oxime group has an E configuration and the dihedral angle be

Abstract

The title compound, C9H9N3O6, was synthesized by the condensation of methyl 3,5-dinitro­benzoate and 2-amino­ethanol. The non-centrosymmetric space group results in the formation of pseudo-chiral helices in the crystal structure, which exhibits a layer

Abstract

In the mol­ecule of the title compund [systematic name: N-butyl-N-ethyl-2,5,6-trimethyl-7-(2,4,6-trimethyl­phen­yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine], C24H34N4, the pyrrolopy­rimidine ring system is nearly planar, its five- and six-me

Abstract

The structure determination of the title compound, C16H16ClNO2, was performed as part of a project on the inter­actions between small organic mol­ecules and proteins. In the crystal structure, the dihedral angle between the two aromatic rings is 16.14 (12)°. The m

Abstract

The title compound, C17H16N3O+·PF6, is a chiral bicyclic 1,2,4-triazolium salt. In the crystal packing, C—H⋯O and C—H⋯F hydrogen bonds and P—F⋯π contacts [4.078 (11)–4.163 (11) Å, involving the triazolium ring] play an important r