The crystal structure of 1-methyl-2,4-dinitro-5-iodoimidazole, C4H3IN4O4
نویسندگان
چکیده
منابع مشابه
1-Methyl-4,5-dinitro-1H-imidazole
In the title compound, C(4)H(4)N(4)O(4), the two nitro groups are twisted with respect to the imidazole plane, making dihedral angles of 24.2 (3) and 33.4 (4)°. In the crystal structure, the mol-ecules are linked through non-classical inter-molecular C-H⋯O hydrogen bonds.
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In the title compound, C15H13N3O, the pyrrolyl and phenyl rings make dihedral angles of 58.99 (5) and 34.95 (5)°, respectively, with the central pyrazole ring. In the crystal, weak, pairwise C-H⋯O inter-actions across centers of symmetry form dimers, which are further associated into corrugated sheets running approximately parallel to (100) via weak C-H⋯N inter-actions.
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In the title salt, C10H11N4O2 (+)·I(-), the asymmetric unit consists of a pyridinium cation bearning a (1-methyl-5-nitro-1H-imidazol-2-yl)methyl group at the N position and an iodide anion. The imidazole ring is quasiplanar, with a maxiumum deviation of 0.0032 (16) Å, and forms a dihedral angle of 67.39 (6)° with the plane of the pyridinium ring. The crystal packing can be described as alternat...
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The title compound, C7H14N2Si, crystallizes in a tetra-gonal space group and exists as an N-H⋯N hydrogen-bonded tetra-mer, formed around the crystallographic fourfold rotoinversion axis. The mol-ecular identity is clearly the 5-tri-methyl-silyl-3-methyl-1H-pyrazole tautomer and the structure is isomorphous with that of 5-tert-butyl-3-methyl-1H-pyrazole [Foces-Foces & Trofimenko (2001 ▶). Acta C...
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The title compound, C5H9BrN4O, was obtained as a minor by-product in the synthesis of 4-di-methyl-amino-1-methyl-1,2,4-triazolin-5-one. Except for the methyl groups of the 4-dimethylamino moiety, all the non-H atoms lie on a crystallographic mirror plane." In the crystal, the mol-ecules are linked by C-Br⋯O=C inter-actions [Br⋯O = 2.877 (2) Å, C-Br⋯O = 174.6 (1)°] into infinite chains in the c-...
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ژورنال
عنوان ژورنال: Zeitschrift für Kristallographie - New Crystal Structures
سال: 2017
ISSN: 2197-4578,1433-7266
DOI: 10.1515/ncrs-2016-0209