Molbank, Vol. 2026, Article M2138: Crystal Structure of [1046127-79-0], 3,3′-(n-Hexane-1,6-diyl)bis(1-vinylimidazolium) Bromide

Molbank doi: 10.3390/M2138

Authors:
Thomas Gelbrich
Johanna Freilinger
Gabriel Partl
Herwig Schottenberger
Volker Kahlenberg
Jan Back
Sven Nerdinger

Vinylimidazolium salts constitute a highly relevant class of polymerizable heterocycles, especially in the field of so-called polymer ionic liquids (PILs), and they are frequently used as components of polyelectrolytes. Therefore, crystallographic characterizations, in particular studies of charge distribution and conformational features, can provide fundamental insights concerning ion–ion and ion–dipole interactions. The structure of the title compound [1046127-79-0] has the space group symmetry P21/c. Its asymmetric unit contains one formula unit, consisting of two bromide anions and the halves of two cation moieties. The cation units possess inversion symmetry, and their C6H12 chains adopt an all-trans conformation.

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