Redetermination of 2,2'-bipyridine-1,1'-diium dibromide.

Acta Crystallogr Sect E Struct Rep Online

Department of Chemistry, Al al-Bayt University, Mafraq 25113, Jordan.

Published: October 2012

AI Article Synopsis

  • The molecular salt C(10)H(10)N(2) (2+)·2Br(-) features a dihedral angle of 20.83° between its aromatic rings, indicating a specific orientation of its molecular structure.
  • The cations of this compound form hydrogen bonds with the anions; specifically, two N-H⋯Br and five C-H⋯Br interactions that create layered structures in the crystal.
  • This structural information, while originally presented by Nakatsu et al. in 1972, lacks detailed atomic coordinates for reference.

Article Abstract

In the title mol-ecular salt, C(10)H(10)N(2) (2+)·2Br(-), the dihedral angle between the aromatic rings is 20.83 (14)° and the N-H groups have a transoid conformaton [N-C-C-N = 158.5 (3)°]. In the crystal, the cations are linked to the anions by two N-H⋯Br and five C-H⋯Br hydrogen bonds, generating corrugated sheets incorporating R(2) (1)(7), R(4) (2)(10), R(4) (2)(11) and two different R(4) (2)(12) loops. This structure was originally reported by Nakatsu et al. [Acta Cryst (1972), A28, S24], but no atomic coordinates are available.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3470387PMC
http://dx.doi.org/10.1107/S1600536812040214DOI Listing

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