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catena-Poly[[zinc(II)-bis­[μ-1,3-bis­(imidazol-1-ylmeth­yl)benzene-κ2 N 3:N 3′]] dinitrate methanol solvate]

Authors
Journal
Acta Crystallographica Section E Structure Reports Online
1600-5368
Publisher
International Union of Crystallography
Publication Date
Volume
65
Issue
11
Identifiers
DOI: 10.1107/s1600536809040203
Keywords
  • Metal-Organic Papers
Disciplines
  • Mathematics

Abstract

In the title coordination compound, {[Zn(C14H14N4)2](NO3)2·CH3OH}n, the cationic complex forms a looped chain containing 24-membered M 2 L 2 rings. The ligand adopts two distinct conformations that are alternated in subsequent loops. The ZnII ion displays a slightly distorted tetra­hedral geometry being coordinated by four N atoms from four 1,3-bis­(imidazol-1-ylmeth­yl)benzene ligands. The nitrate ions and methanol solvent mol­ecules are located between adjacent double-stranded chains and participate in an extensive net of O—H⋯O and C—H⋯O hydrogen bonds. The resulting three-dimensional assembly is further stabilized by π–π inter­actions between benzene rings [centroid–centroid distances = 3.878 (2) and 3.853 (2) Å].

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