Crystal structure and Hirshfeld surface analysis of a pyridiniminium bromide salt: 1-[2-(adamantan-1-yl)-2-oxoethyl]pyridin-4-iminium bromide
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چکیده
منابع مشابه
N-(2-Hydroxybenzyl)adamantan-1-aminium bromide
There are two independent ion pairs in the asymmetric unit of the title compound, C(17)H(24)NO(+)·Br(-). In the crystal, the ions are linked by inter-molecular N-H⋯Br and O-H⋯Br hydrogen bonds.
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In the title hydrated salt, C19H24N3 (+)·Br(-)·H2O, the values of the N-C bond lengths within the tetra-hydro-pyrimidinium ring indicate delocalization of the N=C double bond. In the cation, the dihedral angle formed by the pyridine and benzene rings is 14.97 (12)°. In the crystal, ions and water mol-ecules are linked by O-H⋯Br, O-H⋯N, C-H⋯Br and C-H⋯O hydrogen bonds into chains running paralle...
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In the title mol-ecular salt, C7H7N2 (+)·Br(-), all the non-H atoms lie on crystallographic mirror planes. The packing consists of (010) cation-anion layers, with the cations forming dimeric units via very weak pairwise C-H⋯N inter-actions. Weak C-H⋯Br inter-actions link the cations to the anions.
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In the title mol-ecular salt, C9H12NO4+·Br-·C9H11NO4, one of the dopa mol-ecules is in the cationic form in which the α-amino group is protonated and the α-carb-oxy-lic acid group is uncharged, while the second dopa mol-ecule is in the zwitterion form. The Br- anion occupies a special position and is located on a twofold rotation axis. The two dopa mol-ecules are inter-connected by short O-H⋯O ...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Crystallographic Communications
سال: 2018
ISSN: 2056-9890
DOI: 10.1107/s2056989018009131