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Tetra-aqua-bis(pyridine-3-sulfonato-?N)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 ?-? 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-other | 2008

REPOSITORIES: biostudies-other

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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.

Project description:In the title compound, [Ni(C(5)H(5)N)(2)(H(2)O)(4)](NO(3))(2), the Ni(II) ion is coordinated by two N-bonded pyridine ligands and four water mol-ecules in an octa-hedral coordination mode. The asymmetric unit consists of one Ni(II) ion located on an inversion center, as well as one pyridine ligand, one nitrate anion and two water mol-ecules in general positions. In the crystal structure, the discrete complex cations and nitrate anions are connected by O-H⋯O and C-H⋯O hydrogen bonds.

| S-EPMC3006910 | biostudies-literature

Tetra-aqua-bis(2-oxo-1,2-dihydro-pyridine-5-sulfonato-?O)zinc(II).

Project description:The metal atom in the title compound, [Zn(C(5)H(4)NO(4)S)(2)(H(2)O)(4)], lies on a center of inversion and is linked to the anionic ligand through the carbonyl O atom. In the crystal structure, the 2-oxo-1,2-dihydro-pyridine-5-sulfon-ate ligand inter-acts with other mol-ecules through N-H?O and O-H?O hydrogen bonds, forming a three-dimensional network structure.

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Hexaaqua-nickel(II) tetra-aqua-bis-(?-pyridine-2,6-dicarboxyl-ato)bis-(pyridine-2,6-dicarboxyl-ato)trinickelate(II) octa-hydrate.

Project description:The title compound, [Ni(H(2)O)(6)][Ni(3)(C(7)H(3)NO(4))(4)(H(2)O)(4)]·8H(2)O, was obtained by the reaction of nickel(II) nitrate hexa-hydrate with pyridine-2,6-dicarb-oxy-lic acid (pydcH(2)) and 1,10-phenanothroline (phen) in an aqueous solution. The latter ligand is not involved in formation of the title complex. There are three different Ni(II) atoms in the asymmetric unit, two of which are located on inversion centers, and thus the [Ni(H(2)O)(6)](2+) cation and the trinuclear {[Ni(pydc)(2)](2)-?-Ni(H(2)O)(4)}(2-) anion are centrosymmetric. All Ni(II) atoms exhibit an octa-hedral coordination geometry. Various inter-actions, including numerous O-H?O and C-H?O hydrogen bonds and C-O?? stacking of the pyridine and carboxyl-ate groups [3.570?(1), 3.758?(1) and 3.609?(1)?Å], are observed in the crystal structure.

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Tetra-pyridine-bis(trichloro-acetato)nickel(II).

Project description:The title compound, [Ni(C(2)Cl(3)O(2))(2)(C(5)H(5)N)(4)], was prepared by the reaction of pyridine and trichloro-acetatonickel(II) in ethanol solution at room temperature. The Ni(II) atom is located on a twofold rotation axis and has a slightly distorted octa-hedral coordination made up of four N atoms of the pyridine ligands and two O atoms of trichloro-acetate anions. The mol-ecular structure and packing are stabilized by intra- and inter-molecular C-H?O hydrogen-bonding inter-actions.

| S-EPMC2970073 | biostudies-literature

Tetra-aqua-bis[2-(thio-semicarbazonometh-yl)benzene-sulfonato]calcium(II).

Project description:In the title compound, [Ca(C(8)H(8)N(3)O(3)S(2))(2)(H(2)O)(4)], the Ca atom (site symmetry ) adopts a slightly distorted octa-hedral CaO(6) geometry and the mol-ecular conformation is stabilized by intra-molecular N-H?N inter-actions. In the crystal, the mol-ecules are linked by O-H?O, O-H?S, N-H?O and N-H?S hydrogen bonds.

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Tetra-aqua-bis[2-(thio-semi-carbazono-methyl)benzene-sulfonato]manganese(II).

Project description:In the title compound, [Mn(C(8)H(8)N(3)O(3)S(2))(2)(H(2)O)(4)], the Mn(II) atom (site symmetry ) adopts a slightly distorted octa-hedral MnO(6) geometry. The mol-ecular conformation is supported by N-H?N and O-H?O hydrogen bonds. In the crystal, mol-ecules inter-act by O-H?O, O-H?S, N-H?O and N-H?S hydrogen bonds, thereby forming (011) sheets.

| S-EPMC2971282 | biostudies-literature

Tetra-aqua-bis(nicotinamide-κN)nickel(II) bis-(2-fluoro-benzoate).

Project description:The asymmetric unit of the title complex, [Ni(C(6)H(6)N(2)O)(2)(H(2)O)(4)](C(7)H(4)FO(2))(2), contains one-half of the complex cation with the Ni(II) atom located on an inversion center, and a 2-fluoro-benzoate (FB) counter-anion. The four O atoms in the equatorial plane around the Ni atom form a slightly distorted square-planar arrangement with an average Ni-O bond length of 2.079 Å, and the slightly distorted octa-hedral coordination is completed by the two N atoms of the nicotinamide (NA) ligands in the axial positions. The dihedral angle between the carboxyl group and the attached benzene ring is 28.28 (11)°, while the pyridine and benzene rings are oriented at a dihedral angle of 8.31 (4)°. In the crystal structure, O-H⋯O, N-H⋯O, C-H⋯O, and C-H⋯F hydrogen bonds link the mol-ecules into a three-dimensional network. π-π Contacts between the pyridine and benzene rings [centroid-centroid distance = 3.626 (1) Å] may further stabilize the crystal structure. The 2-fluoro-benzoate anion is disordered over two orientations, with an occupancy ratio of 0.85:0.15.

| S-EPMC2970982 | biostudies-literature

catena-Poly[[[bis-[aqua-nickel(II)]bis-(?-pyridine-2,6-dicarboxyl-ato N-oxide)]-?-1,2-di-4-pyridylethane] tetra-hydrate].

Project description:In the title compound, {[Ni(2)(C(7)H(3)NO(5))(2)(C(12)H(12)N(2))(H(2)O)(2)]·4H(2)O}(n), two Ni(II) ions, two tridentate pyridine-2,6-dicarboxyl-ate N-oxide ligands and two coordinated water mol-ecules form centrosymmetric dinuclear units, which are further bridged by centrosymmetric 1,2-di-4-pyridylethane ligands into polymeric chains along [210]. Each Ni(II) ion has a distorted square-pyramidal environment, with the basal plane formed by three O [Ni-O = 1.9290?(16)-1.9588?(10)?Å] and one N [Ni-N = 1.9828?(18)?Å] atoms and the apical position occupied by the water mol-ecule [Ni-O = 2.2643?(11)?Å]. The water mol-ecules are involved in the formation of O-H?O hydrogen bonds.

| S-EPMC2959744 | biostudies-literature

Tetra-aqua-bis[4-(4-pyrid-yl)pyrimidine-2-sulfonato]copper(II) dihydrate.

Project description:In the title complex, [Cu(C(9)H(6)N(3)O(3)S)(2)(H(2)O)(4)]·2H(2)O, the Cu(II) atom lies on an inversion centre and is coordinated by four water mol-ecules in equatorial positions and two N atoms from two 4-(4-pyrid-yl)pyrimidine-2-sulfonate ligands in apical positions. The asymmetric unit contains half of the complex and one free water mol-ecule. The water mol-ecules, including the uncoordinated water mol-ecules, and sulfonate O atoms are involved in O-H?O and O-H?N hydrogen-bonding inter-actions.

| S-EPMC2977545 | biostudies-literature

Tetra-aqua-bis[4-(methyl-amino)benzoato-?O]nickel(II).

Project description:The title complex, [Ni(C(8)H(8)NO(2))(2)(H(2)O)(4)], is centrosymmetric with the Ni(II) ion located on a centre of symmetry. It contains two 4-(methyl-amino)benzoate (PMAB) anions and four coordinated water mol-ecules. The four O atoms in the equatorial plane around the Ni(II) ion form a slightly distorted square-planar arrangement, while the slightly distorted octa-hedral coordination is completed by two O atoms of the PMAB anions in the axial positions. In the crystal structure, inter-molecular O-H?O, O-H?N, N-H?O and C-H?O hydrogen bonds link the mol-ecules into a three-dimensional network.

| S-EPMC2979289 | biostudies-literature

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