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Catena-Poly[(?(2)-3-carb-oxy-5-nitro-benzoato)(?(3)-5-nitro-benzene-1,3-dicarboxyl-ato)(1,10-phenanthroline)gadolinium(III)].

ABSTRACT: The crystal structure of the title complex, [Gd(C(8)H(3)NO(6))(C(8)H(4)NO(6))(C(12)H(8)N(2))](n), contains polymeric chains made up of Gd(III) atoms, 1,10-phenanthroline and fully or half-deproton-ated 5-nitro-benzene-1,3-dicarb-oxy-lic acid (H(2)L) ligands. The Gd(III) atom is coordinated in a distorted bicapped trigonal-prismatic fashion by six O atoms from two HL(-) and three L(2-) ligands, and by two N atoms from the 1,10-phenanthroline ligand. The L(2-) ligands bridge the Gd-phenanthroline units, forming chains running parallel to [100]. O-H?O hydrogen bonding as well as ?-? stacking inter-actions with an inter-planar distance of 3.599?(2)?Å assemble neighboring polymeric chains.

SUBMITTER: Wang J 

PROVIDER: S-EPMC2983181 | biostudies-literature | 2010 Sep

REPOSITORIES: biostudies-literature

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catena-Poly[(μ(2)-3-carb-oxy-5-nitro-benzoato)(μ(3)-5-nitro-benzene-1,3-dicarboxyl-ato)(1,10-phenanthroline)gadolinium(III)].

Wang Jun J   Fang Zhi-Li ZL  

Acta crystallographica. Section E, Structure reports online 20100908 Pt 10

The crystal structure of the title complex, [Gd(C(8)H(3)NO(6))(C(8)H(4)NO(6))(C(12)H(8)N(2))](n), contains polymeric chains made up of Gd(III) atoms, 1,10-phenanthroline and fully or half-deproton-ated 5-nitro-benzene-1,3-dicarb-oxy-lic acid (H(2)L) ligands. The Gd(III) atom is coordinated in a distorted bicapped trigonal-prismatic fashion by six O atoms from two HL(-) and three L(2-) ligands, and by two N atoms from the 1,10-phenanthroline ligand. The L(2-) ligands bridge the Gd-phenanthroline  ...[more]

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