title: catena-Poly[di-μ3-bromido-bis-[(1-ethyl-1H-imidazole-κN (3))disilver(I)]].
abstract: The asymmetric unit of the title coordination complex, [Ag2Br2(C5H8N2)2] n , comprises a monodentate 1-ethyl-imida-zole ligand, an Ag(+) cation and a μ3-bridging Br(-) anion, giving a distorted tetra-hedral AgNBr3 stereochemistry about the Ag(+) cation [Ag-N = 2.247 (2) Å and Ag-Br = 2.7372 (4)-2.7523 (4) Å]. Two bridging bromide anions generate the dimeric [Ag2Br2(C5H8N)2] repeat unit [Ag⋯Ag = 3.0028 (5) Å], while a third Br(-) anion links the units through corner sharing in an inversion-related Ag2Br2 association [Ag⋯Ag = 3.0407 (4) Å], generating a one-dimensional ribbon step-polymer structure, extending along the c axis.
authors.affiliation: Department of Chemistry and Chemical Engineering, Mianyang Normal University, Mianyang 621000, People's Republic of China.
authors.forename: Zhiguo
authors.initials: Z
authors.lastname: Wang
authors.forename: Qingquan
authors.initials: Q
authors.lastname: Bian
authors.forename: Ying
authors.initials: Y
authors.lastname: Guo
references.citation: Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22
references.pmid: 18156677