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Tetra-aqua-bis(pyridine-3-sulfonato-κN)nickel(II).

ABSTRACT: In the mol-ecule of the title compound, [Ni(C(5)H(4)NO(3)S)(2)(H(2)O)(4)], the Ni(II) cation is located on an inversion center and is coordinated by four water mol-ecules and two pyridine-3-sulfonate anions with an NiN(2)O(4) distorted octa-hedral geometry. The face-to-face separation of 3.561 (5) Å between parallel pyridine rings indicates the existence of weak π-π stacking between the pyridine rings. The structure also contains inter-molecular O-H⋯O hydrogen bonding and weak C-H⋯O hydrogen bonding.

SUBMITTER: Zhang BY

PROVIDER: S-EPMC2961246 | biostudies-literature | 2008 Apr

REPOSITORIES: biostudies-literature

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Tetra-aqua-bis(pyridine-3-sulfonato-κN)nickel(II).

Zhang Bing-Yu BY Nie Jing-Jing JJ Xu Duan-Jun DJ

Acta crystallographica. Section E, Structure reports online 20080416 Pt 5

In the mol-ecule of the title compound, [Ni(C(5)H(4)NO(3)S)(2)(H(2)O)(4)], the Ni(II) cation is located on an inversion center and is coordinated by four water mol-ecules and two pyridine-3-sulfonate anions with an NiN(2)O(4) distorted octa-hedral geometry. The face-to-face separation of 3.561 (5) Å between parallel pyridine rings indicates the existence of weak π-π stacking between the pyridine rings. The structure also contains inter-molecular O-H⋯O hydrogen bonding and weak C-H⋯O hydrogen bon ...[more]

PMID: 21202217

Similar Datasets

Tetra-aqua-bis-(pyridine-κN)nickel(II) dinitrate.

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Tetra-aqua-bis[3-(4-pyrid-yl)benzoato-κN]nickel(II).

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trans-Tetra-aqua-bis-(isonicotinamide-κN)nickel(II) bis-(3-hy-droxy-benzoate) tetra-hydrate.

Project description:The asymmetric unit of the title compound, [Ni(C(6)H(6)N(2)O)(2)(H(2)O)(4)](C(7)H(5)O(3))(2)·4H(2)O, contains one-half of the complex cation with the Ni(II) ion located on an inversion center, a 3-hy-droxy-benzoate counter-anion and two uncoordinated water mol-ecules. Four water O atoms in the equatorial plane around the Ni(II) ion [Ni-O = 2.052 (2) and 2.079 (2) Å] form a slightly distorted square-planar arrangement, which is completed up to a distorted octa-hedron by the two N atoms [Ni-N = 2.075 (3) Å] from two isonicotinamide ligands. In the anion, the carboxyl-ate group is twisted from the attached benzene ring by 8.8 (3)°. In the crystal, a three-dimensional hydrogen-bonding network, formed by classical O-H⋯O and N-H⋯O hydrogen bonds, consolidates the crystal packing, which also exhibits π-π inter-actions between the benzene and pyridine rings, with centroid-centroid distances of 3.455 (2) and 3.621 (2) Å, respectively.

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Tetra-aqua-bis-(6-chloro-pyridine-3-carboxyl-ato-κO)nickel(II) tetra-hydrate.

Project description:In the title compound, [Ni(C(6)H(3)ClNO(2))(2)(H(2)O)(4)]·4H(2)O, the Ni(II) ion is located on an inversion centre and is octa-hedrally coordinated by four O atoms from four water mol-ecules in the equatorial plane and two O atoms of two 6-chloro-3-carboxyl-ate ligands in axial positions. There are also four lattice water molecules present. The organic ligands are bound to the Ni(II) ion in a monodentate manner through a carboxyl-ate O atom. There is one strong intra-molecular O-H⋯O hydrogen bond and six inter-molecular O-H⋯O and O-H⋯N hydrogen-bonding inter-actions in the packing, resulting in a complex three-dimensional network structure.

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Tetra-aqua-bis-[2-(4-pyridyl-sulfan-yl)acetato-κN]nickel(II).

Project description:In the centrosymmetric title complex, [Ni(C(7)H(6)NO(2)S)(2)(H(2)O)(4)], the Ni(II) atom, located on a centre of inversion, is coordinated by two N atoms from two 2-(4-pyridyl-sulfan-yl)acetate ligands and four water O atoms in an octa-hedral geometry. In the crystal, inter-molecular O-H⋯O hydrogen bonds between the coordinated water mol-ecules and the carboxyl-ate group of the anionic 2-(4-pyridyl-sulfan-yl)acetate ligands link these discrete mononuclear units into a three-dimensional network.

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