title: Butane-2,3-dione bis-[(4-bromo-benzyl-idene)hydrazone].
abstract: The title compound, C(18)H(16)Br(2)N(4), is a linear double Schiff base compound having two parallel 4-bromo-phenyl groups connected across a crystallographic inversion centre by flexible C-C and C=N-N=C bonds and stabilized in the solid state by weak inter-molecular Br⋯Br inter-actions [3.7992 (11) Å], generating an infinite two-dimensional network structure.
authors.affiliation: College of Population, Resources and Environment, Shandong Normal University, Jinan 250014, People's Republic of China.
authors.forename: Sai-Ming
authors.initials: SM
authors.lastname: Yang
authors.forename: Yue-Tong
authors.initials: YT
authors.lastname: Xu
authors.forename: Bang-Hua
authors.initials: BH
authors.lastname: Zhang