title: 1,1,4,4-Tetra-methyl-piperazinediium dibromide.
abstract: A small quantity of the title compound, C(8)H(20)N(2) (2+)·2Br(-), was formed as a by-product in a reaction between a diamine and an alkyl bromide. The asymmetric unit contains half of a centrosymmetric dication and a bromide anion. In the crystal, weak inter-molecular C-H⋯Br hydrogen bonds consolidate the crystal packing.
authors.affiliation: University of Jyväskylä, Department of Chemistry, PO Box 35, FIN-40014 JY, Finland.
authors.forename: Minna
authors.initials: M
authors.lastname: Kärnä
authors.forename: Manu
authors.initials: M
authors.lastname: Lahtinen
authors.forename: Jussi
authors.initials: J
authors.lastname: Valkonen