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Aqua-(3-hydroxy-benzoato-?O)bis-(1,10-phenanthroline-?N,N')cobalt(II) 3-hydroxy-benzoate penta-hydrate.

ABSTRACT: The crystal structure of the title compound, [Co(C(7)H(5)O(3))(C(12)H(8)N(2))(2)(H(2)O)](C(7)H(5)O(3))·5H(2)O, consists of Co(II) complex cations, uncoordinated hydroxy-benzoate anions and uncoord-inated water mol-ecules. The Co(II) ion is coordinated by two phenanthroline ligands, a water mol-ecule and a 3-hydroxy-benzoate anion, and displays a distorted octa-hedral geometry. ?-? stacking is observed between parallel phenanthroline ligands, the face-to-face separations being 3.454?(19) and 3.435?(7)?Å. An extensive hydrogen-bonding network helps to stabilize the crystal structure. The hydroxybenzoate ligand is disordered over two positions, with site occupancy factors 0.6 and 0.4. One solvent water molecule is also disordered over two positions, with site occupancy factors 0.6 and 0.4.

SUBMITTER: Li JH

PROVIDER: S-EPMC2960224 | biostudies-literature | 2008 Jan

REPOSITORIES: biostudies-literature

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Aqua-(3-hydroxy-benzoato-κO)bis-(1,10-phenanthroline-κN,N')cobalt(II) 3-hydroxy-benzoate penta-hydrate.

Li Jun-Hua JH Nie Jing-Jing JJ Su Jian-Rong JR Xu Duan-Jun DJ

Acta crystallographica. Section E, Structure reports online 20080123 Pt 2

The crystal structure of the title compound, [Co(C(7)H(5)O(3))(C(12)H(8)N(2))(2)(H(2)O)](C(7)H(5)O(3))·5H(2)O, consists of Co(II) complex cations, uncoordinated hydroxy-benzoate anions and uncoord-inated water mol-ecules. The Co(II) ion is coordinated by two phenanthroline ligands, a water mol-ecule and a 3-hydroxy-benzoate anion, and displays a distorted octa-hedral geometry. π-π stacking is observed between parallel phenanthroline ligands, the face-to-face separations being 3.454 (19) and 3.43 ...[more]

PMID: 21201337

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Aqua(4-hydroxy-benzoato-κO)(4-hydroxy-benzoato-κO,O')(1,10-phenanthroline-κN,N')zinc(II) monohydrate.

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(2,9-Dimethyl-1,10-phenanthroline-κN,N')bis-(2-hydroxy-benzoato-κO)copper(II).

Project description:The Cu(II) atoms in the two independent mol-ecules of the title compound, [Cu(C(7)H(5)O(3))(2)(C(14)H(12)N(2))], are each coordinated by a bidentate 2,9-dimethyl-1,10-phenanthroline (dmphen) mol-ecule and two monodentate 2-hydroxy-benzoate anions in a distorted tetra-hedral geometry. The crystal packing is stabilized by intra-molecular hydrogen bonding and π-π inter-actions between the dmphen rings of neighboring mol-ecules, with distances between their ring planes of 3.5670 (4) and 3.5181 (9) Å.

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Aqua-bis-(4-chloro-2-hy-droxy-benzoato-κO)(1,10-phenanthroline-κN,N')zinc(II).

Project description:In the title compound, [Zn(C(7)H(4)ClO(3))(2)(C(12)H(8)N(2))(H(2)O)], the Zn(II) cation is coordinated by two 4-chloro-2-salicylate anions, one 1,10-phenanthroline ligand and one water mol-ecule in a square-pyramidal coordination geometry; the Zn cation lies 0.4591 (11) Å from the basal plane. The benzene rings of the anions are involved in π-π stacking. The centroid-centroid distance between parallel benzene rings of adjacent mol-ecules is 3.9017 (17) Å, and the centroid-centroid distance between benzene and pyridine rings of adjacent mol-ecules is 3.584 (2) Å. Intra-molecular O-H⋯O hydrogen bonding is present.

| S-EPMC3151932 | biostudies-literature

Bis(μ-2,4-dihy-droxy-benzoato-κO:O')bis-[aqua-(2,4-dihy-droxy-benzoato-κO)(1,10-phenanthroline-κN,N')cadmium(II)].

Project description:In the title centrosymmetric dimeric Cd(II) complex, [Cd(2)(C(7)H(5)O(4))(4)(C(12)H(8)N(2))(2)(H(2)O)(2)], the Cd(II) cation is coord-inated by a bidentate phenanthroline (phen) ligand, three dihy-droxy-benzoate (dhba) anions and one water mol-ecule in a distorted CdN(2)O(4) octa-hedral geometry. Among the dhba anions, two anions bridge two Cd(II) cations to form the dimeric complex with significant different Cd-O bond distances of 2.2215 (19) and 2.406 (2) Å. The centroid-centroid distance of 3.4615 (19) Å between two nearly parallel benzene rings of the dhba and phen ligands coordinating to the same Cd(II) cation indicates the existence of intra-molecular π-π stacking in the complex. Extensive O-H⋯O hydrogen bonding and inter-molecular weak C-H⋯O hydrogen bonding help to stabilize the crystal structure. One hy-droxy group of the monodentate dhba ligand is disordered over two sites with a site-occupancy ratio of 0.9:0.1.

| S-EPMC3006915 | biostudies-literature

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