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Poly[[(μ3-5-amino­isophthalato-κ3 O 1:O 3:N)(1H-imidazole-κN 3)zinc] 0.25-hydrate]

Authors
Journal
Acta Crystallographica Section E Structure Reports Online
1600-5368
Publisher
International Union of Crystallography
Publication Date
Volume
67
Issue
12
Identifiers
DOI: 10.1107/s1600536811050045
Keywords
  • Metal-Organic Papers
Disciplines
  • Mathematics

Abstract

In the title coordination polymer, {[Zn(C8H5NO4)(C3H4N2)]·0.25H2O}n, the Zn2+ cation has an N2O2 donor set involving two carboxyl­ate O atoms from two 5-amino­isophthalate anions, one N atom from a 5-amino­isophthalate anion, and one imidazole N atom displaying a slightly distorted tetra­hedral geometry with two additional O-atom neighbours, with Zn-to-ligand distances of 2.711 (2) and 2.717 (2) Å, respectively. Each 5-amino­isophthalate anion acts as a μ3-bridge linking symmetry-related ZnII ions into a layered polymeric structure parallel to (100). The asymmetric unit also comprises a disordered crystal water molecule located on an inversion centre with 0.25 occupancy. In the crystal, N—H⋯O hydrogen bonds form a three-dimensional network.

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