title: 3,3'-Dichloro-biphenyl-4,4'-diaminium sulfate.
abstract: In the title compound, C(12)H(12)Cl(2)N(2) (2+)·SO(4) (2-), the two rings are not coplanar [dihedral angle = 48.7 (2)°]. In the crystal, multiple N-H⋯O hydrogen-bond inter-actions are found between the ammonium and sulfate groups.
authors.forename: Hui-Fen
authors.initials: HF
authors.lastname: Qian
authors.forename: Wei
authors.initials: W
authors.lastname: Huang
references.citation: Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22
references.pmid: 18156677
references.citation: Acta Crystallogr Sect E Struct Rep Online. 2008 Dec 13;65(Pt 1):o115
references.pmid: 21581577