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

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.

SUBMITTER: Ali BF 

PROVIDER: S-EPMC3470387 | biostudies-literature | 2012 Oct

REPOSITORIES: biostudies-literature

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

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

Acta crystallographica. Section E, Structure reports online 20120929 Pt 10

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], bu  ...[more]

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