Acta Crystallographica Section C

Crystal Structure Communications

Volume 69, Part 9 (September 2013)

metal-organic compounds

Acta Cryst. (2013). C69, 1017-1021    [ doi:10.1107/S0108270113019963 ]

One-dimensional CuI and AgI ladder-like coordination polymers supported by 2-ethyl-1-(pyridin-3-ylmeth­yl)-1H-benzimidazole

L. Gui, G. Liang, H. Zou and Z. Hou

Abstract: The title complexes, poly[[bis­[[mu]2-2-ethyl-1-(pyridin-3-ylmeth­yl)-1H-benzimidazole-[kappa]2N1:N3]copper(I)] tetra­fluoro­borate aceto­nitrile monosolvate], {[Cu(C15H15N3)2]BF4·CH3CN}n, (I), and poly[[bis­[[mu]2-2-ethyl-1-(pyridin-3-ylmeth­yl)-1H-benz­imidazole-[kappa]2N1:N3]silver(I)] perchlorate methanol monosolvate], {[Ag(C15H15N3)2]ClO4·CH3OH}n, (II), are isostructural and exhibit one-dimensional ladder-like structures in which each asymmetric unit contains one metal ion (Cu+ or Ag+), two 2-ethyl-1-(pyridin-3-ylmeth­yl)-1H-benzimidazole (bep) ligands, one counter-anion (tetra­fluoro­borate or perchlorate) and one interstitial mol­ecule (aceto­nitrile or methanol). Each metal ion exhibits a distorted tetra­hedral coordination geometry consisting of two pyridyl and two benzimidazole N atoms from four distinct ligands. Two metal ions are linked by two bep ligands to form a centrosymmetric 18-membered M2(bep)2 metallacycle, while adjacent M2(bep)2 metallacycles are further inter­linked by another two bep ligands resulting in a ladder-like array. In the extended structure, four adjacent ladder-like arrays are connected together through C-H...F, O-H...O and C-H...O hydrogen bonds between bep ligands, solvent mol­ecules and counter-anions into a three-dimensional supra­molecular structure.

Formula: [Cu(C15H15N3)2]BF4·C2H3N and [Ag(C15H15N3)2]ClO4·CH4O

Keywords: crystal structure; inorganic-organic coordination polymers; 2-ethyl-1-(pyridin-3-ylmeth­yl)benzimidazole ligand; crystal engineering.

hkldisplay filedownload file

Structure factor file (CIF format) (330.2 kbytes)
[ doi:10.1107/S0108270113019963/wq30401sup2.hkl ]
Contains datablock 1

hkldisplay filedownload file

Structure factor file (CIF format) (349.3 kbytes)
[ doi:10.1107/S0108270113019963/wq30402sup3.hkl ]
Contains datablock 2


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