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Catena-Poly[[[aqua-(pyrazino-[2,3-f][1,10]phenanthroline-?N,N)zinc(II)]-?-penta-nedioato] monohydrate].

ABSTRACT: In the title compound, {[Zn(C(5)H(6)O(4))(C(14)H(8)N(4))(H(2)O)]·H(2)O}(n), the Zn(2+) ion is coordinated by an N,N'-bidentate pyrazino-[2,3-f][1,10]phenanthroline (pyphen) ligand, a water molecule and a monodentate glutarate (glu) dianion. A symmetry-generated O:O'-bidentate glu dianion completes a distorted cis-ZnN(2)O(4) octa-hedral coordination geometry for the metal ion. The bridging glu species generates [110] polymeric chains in the crystal. O-H?O hydrogen bonds involving both the coordinated and uncoordinated water mol-ecules help to consolidate the structure and neighbouring pyphen units inter-act through numerous aromatic ?-? inter-actions [minimum centroid-centroid separation = 3.654?(3)?Å], resulting in a two-dimensional network.

SUBMITTER: Fang W

PROVIDER: S-EPMC3011601 | biostudies-literature | 2010 Nov

REPOSITORIES: biostudies-literature

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catena-Poly[[[aqua-(pyrazino-[2,3-f][1,10]phenanthroline-κN,N)zinc(II)]-μ-penta-nedioato] monohydrate].

Fang Wei W

Acta crystallographica. Section E, Structure reports online 20101106 Pt 12

In the title compound, {[Zn(C(5)H(6)O(4))(C(14)H(8)N(4))(H(2)O)]·H(2)O}(n), the Zn(2+) ion is coordinated by an N,N'-bidentate pyrazino-[2,3-f][1,10]phenanthroline (pyphen) ligand, a water molecule and a monodentate glutarate (glu) dianion. A symmetry-generated O:O'-bidentate glu dianion completes a distorted cis-ZnN(2)O(4) octa-hedral coordination geometry for the metal ion. The bridging glu species generates [110] polymeric chains in the crystal. O-H⋯O hydrogen bonds involving both the coordin ...[more]

PMID: 21589224

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catena-Poly[[aqua-(pyrazino[2,3-f][1,10]phenanthroline-?N,N)cobalt(II)]-?-pyrazine-2,3-dicarboxyl-ato-?NO:O].

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Project description:The title coordination polymer, {[Cd(2)(C(8)H(4)O(5))(2)(C(14)H(8)N(4))(2)]·2H(2)O}(n), has a layered structure. The asymmetric unit contains two Cd(II) ions, two pyrazino-[2,3-f][1,10]phenanthroline, two 5-hy-droxy-isophthalate (hip) ligands and two lattice water mol-ecules. Each Cd(II) ion is coordinated by two N atoms from a chelating pyrazino-[2,3-f][1,10]phenanthroline and four O atoms from three different hip ligands, resulting in a distorted CdN(2)O(4) octa-hedral coordination environment. The hip ligand connects adjacent Cd(II) ions, forming forming layers parallel to (010). Intralayer O-H?O hydrogen bonds involving the hydroxy groups and solvent water molecules consolidate the crystal packing.

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catena-Poly[[[aqua-(1,10-phenanthroline-κN,N')cadmium(II)]-μ-pyridine-2,3-dicarboxyl-ato-κN,O:O,O] dihydrate].

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catena-Poly[[(1,10-phenanthroline)zinc]-?-2,2'-oxydibenzoato].

Project description:In the title one-dimensional coordination polymer, [Zn(C(14)H(8)O(5))(C(12)H(8)N(2))](n), the Zn(II) ion is in a distorted octa-hedral coordination geometry with four O atoms from two carboxyl-ate groups in bidentate chelating modes and two N atoms from a 1,10-phenanthroline ligand. The two terminal carboxyl-ate groups bind the Zn(II) ions, leading to a chain along the c axis. Adjacent chains are further linked by inter-molecular ?-? inter-actions with a shortest centroid-centroid distance of 3.586?(3)?Å, forming a two-dimensional supra-molecular architecture with (6,3)-network topology.

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catena-Poly[[aqua-(1,10-phenanthroline)cobalt(II)]-?-4,4'-(propane-1,3-diyldi-oxy)dibenzoato].

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