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Crystal structure of poly[di-chlorido-(μ-2,5-di-carb-oxy-benzene-1,4-di-carboxyl-ato-κ2O1:O4)bis-[μ-4'-(pyridin-3-yl)-4,2':6',4''-terpyridine-κ2N1:N4']dizinc].


ABSTRACT: In the title polymeric ZnII complex, [Zn2(C10H4O8)Cl2(C20H14N4)2] n , the ZnII cations are bridged by both 2,5-di-carb-oxy-benzene-1,4-di-carboxyl-ate dianions and 4'-(pyridin-3-yl)-4,2':6',4''-terpyridine ligands, forming ladder-like polymeric chains propagating along [1-10]. The Cl- anion further coordinates the ZnII cation to complete a distorted tetra-hedral environment. In the 4'-(pyridin-3-yl)-4,2':6',4''-terpyridine ligand, the three sideward pyridine rings are twisted with respect to the central pyridine ring by 39.27 (12), 14.89 (13) and 3.36 (13)°, respectively. In the crystal, classical O-H⋯N hydrogen bonds and weak C-H⋯O and C-H⋯Cl hydrogen bonds link the chains into a three-dimensional supra-molecular architecture. π-π stacking is observed between the pyridine and benzene rings of neighbouring polymeric chains, with a centroid-to-centroid distance of 3.7280 (14) Å.

SUBMITTER: Tian Y 

PROVIDER: S-EPMC5095857 | biostudies-literature | 2016 Nov

REPOSITORIES: biostudies-literature

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Crystal structure of poly[di-chlorido-(μ-2,5-di-carb-oxy-benzene-1,4-di-carboxyl-ato-κ<sup>2</sup><i>O</i><sup>1</sup>:<i>O</i><sup>4</sup>)bis-[μ-4'-(pyridin-3-yl)-4,2':6',4''-terpyridine-κ<sup>2</sup><i>N</i><sup>1</sup>:<i>N</i><sup>4'</sup>]dizinc].

Tian Yue Y   Xu Sha-Sha SS   Su Jian J   Zhang Yang Y   Zhao Shao-Shuai SS   Tian Yu-Peng YP  

Acta crystallographica. Section E, Crystallographic communications 20161028 Pt 11


In the title polymeric Zn<sup>II</sup> complex, [Zn<sub>2</sub>(C<sub>10</sub>H<sub>4</sub>O<sub>8</sub>)Cl<sub>2</sub>(C<sub>20</sub>H<sub>14</sub>N<sub>4</sub>)<sub>2</sub>] <sub><i>n</i></sub> , the Zn<sup>II</sup> cations are bridged by both 2,5-di-carb-oxy-benzene-1,4-di-carboxyl-ate dianions and 4'-(pyridin-3-yl)-4,2':6',4''-terpyridine ligands, forming ladder-like polymeric chains propagating along [1-10]. The Cl<sup>-</sup> anion further coordinates the Zn<sup>II</sup> cation to complete  ...[more]

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