Acta Cryst. (2008). E64, o417  [ doi:10.1107/S1600536808000172 ]

1,1'-Dimethyl-1,1'-(butane-1,4-diyl)dipyrrolidinium dibromide methanol disolvate

Y.-L. Yang, W.-J. Wang, W.-H. Li and R.-Q. Fan

Abstract: In the title compound, C₁₄H₃₀N₂²⁺·2Br^-·2CH₃OH, two terminal C atoms of the butane chain are connected to two N atoms of the 1-methylpyrollidines, forming a linear diquaternary ammonium cation. The cation lies across a centre of inversion located between the two central C atoms of the butane chain. The asymmetric unit therefore comprises one half-cation, a bromide anion and a methanol solvent molecule. In the crystal structure, the bromide anions are linked to the methanol solvent molecules by O-HBr hydrogen bonds.

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