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Catena-Poly[[tri-aqua-copper(II)]-?-5-carb-oxy-benzene-1,3-di-carboxyl-ato-?(2) O (1):O (3)].

ABSTRACT: In the title complex, [Cu(C9H4O6)(H2O)3] n , the Cu(II) cation exhibits a distorted square-pyramidal coordination geometry involving five O atoms from two monodentate 5-carb-oxy-benzene-1,3-di-carboxyl-ate anions and three water mol-ecules. The 5-carb-oxy-benzene-1,3-di-carboxyl-ate anions bridge Cu(II) cations into zigzag polymeric chains running along the b-axis direction. These chains are further linked by O-H?O hydrogen bonds between coordinating water mol-ecules or carboxyl groups and carboxylate groups into a three-dimensional supra-molecular architecture. In the crystal, ?-? stacking is observed between parallel benzene rings of adjacent chains, the centroid-centroid distances being 3.584?(3) and 3.684?(3)?Å.

SUBMITTER: Ma YH 

PROVIDER: S-EPMC3790349 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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catena-Poly[[tri-aqua-copper(II)]-μ-5-carb-oxy-benzene-1,3-di-carboxyl-ato-κ(2) O (1):O (3)].

Ma Yu-Hong YH   Ma Pi-Zhuang PZ   Yao Ting T   Hao Jing-Tuan JT  

Acta crystallographica. Section E, Structure reports online 20130912 Pt 10

In the title complex, [Cu(C9H4O6)(H2O)3] n , the Cu(II) cation exhibits a distorted square-pyramidal coordination geometry involving five O atoms from two monodentate 5-carb-oxy-benzene-1,3-di-carboxyl-ate anions and three water mol-ecules. The 5-carb-oxy-benzene-1,3-di-carboxyl-ate anions bridge Cu(II) cations into zigzag polymeric chains running along the b-axis direction. These chains are further linked by O-H⋯O hydrogen bonds between coordinating water mol-ecules or carboxyl groups and carbo  ...[more]

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