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3-(Ammonio-meth-yl)pyridinium dibromide.


ABSTRACT: In the title salt, C(6)H(10)N(2) (2+)·2Br(-), the non-H atoms of the 3-methyl-pyridinium unit of the cation are almost coplanar (r.m.s. deviation = 0.0052?Å). In the crystal, the dications and Br anions are linked by a combination of six hydrogen bonds, viz. one N(py)-H?Br, two C-H?Br and three H(2)N-H?Br, into supra-molecular layers, parallel to the bc plane, composed of alternating R(2) (4)(10) and R(2) (4)(8) loops. Weak ?-? inter-actions between cationic rings with centroid-centroid distances of 3.891?(2)?Å are also observed.

SUBMITTER: Ali BF 

PROVIDER: S-EPMC3515173 | biostudies-literature | 2012 Nov

REPOSITORIES: biostudies-literature

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3-(Ammonio-meth-yl)pyridinium dibromide.

Ali Basem F BF   Al-Far Rawhi R   Haddad Salim F SF  

Acta crystallographica. Section E, Structure reports online 20121003 Pt 11


In the title salt, C(6)H(10)N(2) (2+)·2Br(-), the non-H atoms of the 3-methyl-pyridinium unit of the cation are almost coplanar (r.m.s. deviation = 0.0052 Å). In the crystal, the dications and Br anions are linked by a combination of six hydrogen bonds, viz. one N(py)-H⋯Br, two C-H⋯Br and three H(2)N-H⋯Br, into supra-molecular layers, parallel to the bc plane, composed of alternating R(2) (4)(10) and R(2) (4)(8) loops. Weak π-π inter-actions between cationic rings with centroid-centroid distance  ...[more]

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