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Poly[[(?(3)-5-amino-isophthalato-?O:O:N)(1H-imidazole-?N)zinc] 0.25-hydrate].

ABSTRACT: In the title coordination polymer, {[Zn(C(8)H(5)NO(4))(C(3)H(4)N(2))]·0.25H(2)O}(n), the Zn(2+) cation has an N(2)O(2) donor set involving two carboxyl-ate O atoms from two 5-amino-isophthalate anions, one N atom from a 5-amino-isophthalate anion, and one imidazole N atom displaying a slightly distorted tetra-hedral geometry with two additional O-atom neighbours, with Zn-to-ligand distances of 2.711?(2) and 2.717?(2)?Å, respectively. Each 5-amino-isophthalate anion acts as a ?(3)-bridge linking symmetry-related Zn(II) 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.

SUBMITTER: Kuai HW

PROVIDER: S-EPMC3238734 | biostudies-literature | 2011 Dec

REPOSITORIES: biostudies-literature

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Poly[[(μ(3)-5-amino-isophthalato-κO:O:N)(1H-imidazole-κN)zinc] 0.25-hydrate].

Kuai Hai-Wei HW Cheng Xiao-Chun XC

Acta crystallographica. Section E, Structure reports online 20111125 Pt 12

In the title coordination polymer, {[Zn(C(8)H(5)NO(4))(C(3)H(4)N(2))]·0.25H(2)O}(n), the Zn(2+) cation has an N(2)O(2) donor set involving two carboxyl-ate O atoms from two 5-amino-isophthalate anions, one N atom from a 5-amino-isophthalate anion, and one imidazole N atom displaying a slightly distorted tetra-hedral geometry with two additional O-atom neighbours, with Zn-to-ligand distances of 2.711 (2) and 2.717 (2) Å, respectively. Each 5-amino-isophthalate anion acts as a μ(3)-bridge linking ...[more]

PMID: 22199611

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Crystal structure of poly[[{?2-1,4-bis[(1H-imid-azol-1-yl)methyl]benzene}[?6-5-(4-carboxylatophenoxy)isophthalato]-?3-hydroxido-dicobalt(II)] 0.25-hydrate].

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