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Bis[2-(2-amino­ethyl)-1H-benzimidazole-κ2 N 2,N 3]zinc(II) bis­(perchlorate)

By Jine Zhang, Yanping Li, Fangjun Huo and Zhigang Zhang


In the title compound, [Zn(C9H11N3)2](ClO4)2, the ZnII atom resides on a crystallographic twofold axis and is coordinated by two benzimidazole N [Zn⋯N = 1.993 (4) Å] and two amine N atoms [Zn⋯N = 2.036 (4) Å] in a distorted tetra­hedral geometry. The crystal packing is dominated by N—H⋯O inter­actions involving the perchlorate anions and π–π stacking inter­actions with an inter­planar separation of 3.42 Å. A weak C—H⋯O inter­action is also present

Topics: Metal-Organic Papers
Publisher: International Union of Crystallography
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Provided by: PubMed Central

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  1. (1990). E64, m182 Acta Crystallographica Section E Structure Reports Online ISSN 1600-5368supplementary materialssupplementary materials sup-1 Acta Cryst.
  2. Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) x y z Uiso*/Ueq Occ.
  3. The packing diagram of (I) with N—H···O hydrogen bonds shown as dashed lines.
  4. (1961). The title compound was prepared by adding a methanol solution (5 ml) of Zn(ClO4)2.6H2O (0.5 mmol) to a methanol solution (10 ml) of 2-aminoethybenzimidazole dihydrochloride (0.5 mmol) (Cescon & Day,