title: 2,2'-Biimidazolium hexa-aqua-manganese(II) bis-(sulfate).
abstract: The title compound, (C(6)H(8)N(4))[Mn(H(2)O)(6)](SO(4))(2), was obtained by cocrystallization of 2,2'-biimidazolium sulfate and bis-(tetra-butyl-ammonium) tetra-chlorido-manganate(II). The asymmetric unit contains one isolated (SO(4))(2-) anion, one half of an octa-hedral [Mn(H(2)O)(6)](2+) dication and one half of a 2,2'-biimidazolium dication, each of which lies on an inversion centre. Mol-ecules are connected by a three-dimensional N-H⋯O and O-H⋯O hydrogen-bond network.
authors.affiliation: School of Chemistry, University of Bristol, Bristol BS8 1TS, England.
authors.forename: Mukhtar A
authors.initials: MA
authors.lastname: Kurawa
authors.forename: Christopher J
authors.initials: CJ
authors.lastname: Adams
authors.forename: A Guy
authors.initials: AG
authors.lastname: Orpen