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Tetra-aqua-(5,5'-dimethyl-2,2'-bipyridine-?N,N')zinc(II) sulfate.

ABSTRACT: The asymmetric unit of the title compound, [Zn(C(12)H(12)N(2))(H(2)O)(4)]SO(4), consists of a Zn(II) complex cation, a sulfate anion and four mol-ecules of water coordinated to the Zn(II) atom. The Zn(II) complex cation, with approximate twofold symmetry, displays a slightly distorted octa-hedral geometry around the Zn(II) atom, which is coordinated by two N atoms from a 5,5'-dimethyl-2,2'-bipyridine ligand and by the O atoms of four water mol-ecules. In the crystal, O-H?O hydrogen bonds help to establish the packing.

SUBMITTER: Zhao QL

PROVIDER: S-EPMC2977444 | biostudies-literature | 2009 Jul

REPOSITORIES: biostudies-literature

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Tetra-aqua-(5,5'-dimethyl-2,2'-bipyridine-κN,N')zinc(II) sulfate.

Zhao Qing-Lan QL Bai Hui-Feng HF

Acta crystallographica. Section E, Structure reports online 20090704 Pt 8

The asymmetric unit of the title compound, [Zn(C(12)H(12)N(2))(H(2)O)(4)]SO(4), consists of a Zn(II) complex cation, a sulfate anion and four mol-ecules of water coordinated to the Zn(II) atom. The Zn(II) complex cation, with approximate twofold symmetry, displays a slightly distorted octa-hedral geometry around the Zn(II) atom, which is coordinated by two N atoms from a 5,5'-dimethyl-2,2'-bipyridine ligand and by the O atoms of four water mol-ecules. In the crystal, O-H⋯O hydrogen bonds help to ...[more]

PMID: 21583333

Similar Datasets

Dichlorido(5,5'-dimethyl-2,2'-bipyridine-?N,N')zinc(II).

Project description:The asymmetric unit of the title compound, [ZnCl(2)(C(12)H(12)N(2))], contains two independent mol-ecules. The Zn(II) atoms are four-coordinated in distorted tetra-hedral configurations by two N atoms from 5,5'-dimethyl-2,2'-bipyridine and two terminal Cl atoms. In the crystal structure, inter-molecular C-H?Cl hydrogen bonds link the mol-ecules. There are C-H?? contacts between the methyl groups and the pyridine and five-membered rings containing Zn(II) atoms; ?-? contacts also exist between the pyridine rings [centroid-centroid distances = 3.665?(5) and 3.674?(5)?Å].

| S-EPMC2960607 | biostudies-literature

Tetra-aqua-(2,2'-bipyridine-κ²N,N')nickel(II) sulfate.

Project description:The asymmetric unit of the title complex, [Ni(C₁₀H₈N₂)(H₂O)₄]SO₄, consists of a complex [Ni(bipy)(H₂O)₄]²⁺ cation (bipy = 2,2'-bipyridine) and a non-coordinating [SO₄]²⁻ anion. The Ni(II) atom is six-coordinated in a distorted octa-hedral geometry defined by the two N atoms of the bipy ligand and four water O atoms. The crystal structure contains extensive classical O-H⋯O hydrogen bonds, which link the ions into a two-dimensional array in the ab plane. Layers are connected into a three-dimensional supra-molecular structure by C-H⋯O inter-actions.

| S-EPMC3393179 | biostudies-literature

Tetra-aqua-(2,2'-bipyridine-5,5'-dicarboxyl-ato-?N,N')nickel(II) dihydrate.

Project description:In the title compound, [Ni(C(12)H(6)N(2)O(4))(H(2)O)(4)]·2H(2)O, obtained from a basic solution of 2,2'-bipyridine-5,5'-dicarboxyl-ate and nickel(II) chloride in water, the central Ni(II) cation (site symmetry 2) is coordinated by two N atoms from the 2,2'-bipyridine-5,5'-dicarboxyl-ate ligand and four aqua O atoms. The N-Ni-N angle is 78.64?(8)°. Weak but significant ?-? stacking inter-actions exist between the pyridine rings with a centroid-centroid distance of 3.652?(8)?Å. In addition, four O atoms of the two carboxyl groups form hydrogen bonds with both coordinated and uncoordinated water mol-ecules, forming an infinite three-dimensional network.

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catena-Poly[[aqua-(5,5'-dimethyl-2,2'-bipyridine-?N,N')copper(II)]-?-2,2'-oxydibenzoato-?O:O'].

Project description:In the title compound, [Cu(C(14)H(8)O(5))(C(12)H(12)N(2))(H(2)O)](n), the Cu(II) ion is penta-coordinated in a square-pyramidal geometry. Two N atoms of the chelating 5,5'-dimethyl-2,2'-bipyridine (dbp) ligand and two O atoms of two different 2,2'-oxydibenzoic (odb) ligands occupy the basal plane while the water O atom completes the square-pyramidal geometry at the apical site. The non-water N(2)O(2) donor atoms are nearly coplanar, with a mean deviation from the least-squares plane of 0.0518?(11)?Å and the Cu atom is displaced by 0.1507?(11)?Å from this plane towards the apical water O atom. Further coordination via the 2,2'-oxydibenzoate anions forms a one-dimensional coordination polymer extending parallel to [010]. In the crystal structure, O-H?O hydrogen bonds link the mol-ecules into a two-dimensional supra-molecular structure.

| S-EPMC3007526 | biostudies-literature

catena-Poly[[tetra-aqua-zinc(II)]-μ-2,2'-dihydr-oxy-5,5'-diazenediyldibenzoato].

Project description:In the title compound, [Zn(C(14)H(8)N(2)O(6))(H(2)O)(4)](n), the 2,2'-dihydr-oxy-5,5'-diazenediyldibenzoate ligand acts as a carboxyl-ate bridge, leading to the formation of a polymeric chain running along the [10] direction. The Zn(II) atom is hexa-coordinated in a distorted octa-hedral geometry by six O atoms [Zn-O = 2.055 (4)-2.132 (3) Å] from two carboxylate ligands and four water mol-ecules. The crystal packing is stabilized by inter-molecular O-H⋯O, O-H⋯N and C-H⋯O hydrogen bonds, and two π-π inter-actions. The centroid-centroid distances are 3.803 (16) and 3.804 (17) Å.

| S-EPMC2960379 | biostudies-literature

5,5'-Dimethyl-2,2'-bipyridine.

Project description:The asymmetric unit of the title compound, C(12)H(12)N(2), contains two half-mol-ecules related by an inversion center, the planes of their pyridine rings being oriented at a dihedral angle of 69.62?(4)°. In the crystal structure, a ?-? contact between the pyridine rings [centroid-centroid distance = 3.895?(3)?Å] may stabilize the structure. A weak C-H?? inter-action is also found.

| S-EPMC2969272 | biostudies-literature

(5,5'-Dimethyl-2,2'-bipyridine-?N,N')diiodidomercury(II).

Project description:In the mol-ecule of the title compound, [HgI(2)(C(12)H(12)N(2))], the Hg(II) atom is four-coordinated in a distorted tetra-hedral configuration by two N atoms from 5,5'-dimethyl-2,2'-bipyridine and two I atoms. There is a ?-? contact between pyridine rings of adjacent molecules [centroid-centroid distance = 3.723?(5)?Å].

| S-EPMC2959332 | biostudies-literature

Crystal structure of tetra-aqua-(5,5'-dimethyl-2,2'-bipyridyl-?(2) N,N')iron(II) sulfate.

Project description:In the title compound, [Fe(C12H12N2)(H2O)4]SO4, the central Fe(II) ion is coordinated by two N atoms from the 5,5'-dimethyl-2,2'-bi-pyridine ligand and four water O atoms in a distorted octa-hedral geometry. The Fe-O coordination bond lengths vary from 2.080?(3) to 2.110?(3)?Å, while the two Fe-N coordination bonds have practically identical lengths [2.175?(3) and 2.177?(3)?Å]. The chelating N-Fe-N angle of 75.6?(1)° shows the largest deviation from an ideal octa-hedral geometry; the other coordination angles deviate from ideal values by 0.1?(1) to 9.1?(1)°. O-H?O hydrogen bonding between the four aqua ligands of the cationic complex and four O-atom acceptors of the anion leads to the formation of layers parallel to the ab plane. Neighbouring layers further inter-act by means of C-H?O and ?-? inter-actions involving the laterally positioned bi-pyridine rings. The perpen-dicular distance between ?-? inter-acting rings is 3.365?(2)?Å, with a centroid-centroid distance of 3.702?(3)?Å.

| S-EPMC4257445 | biostudies-other

Tetra-aqua-(2,2'-bipyridine-κN,N')manganese(II) di-μ-aqua-bis-[aqua-(2,2'-bipyridine-κN,N')(5-sulfonatoisophthalato-κO)manganate(II)] tetra-hydrate.

Project description:The crystal structure of the title salt, [Mn(C(10)H(8)N(2))(H(2)O)(4)][Mn(2)(C(8)H(3)O(7)S)(2)(C(10)H(8)N(2))(2)(H(2)O)(4)]·4H(2)O, consists of mononuclear manganese(II) cations, dinuclear manganate(II) dianions and uncoordinated water mol-ecules. The dianion is located about an inversion center; the Mn(II) atom is coordinated by a 2,2'-bipyridine ligand, a sulfonatoisophthalate group, a water mol-ecule along with two bridging water mol-ecules in an octa-hedral geometry. The cation lies on a twofold rotation axis; the Mn(II) atom is coordinated by four water mol-ecules and a chelating 2,2'-bipyridine ligand in a distorted octa-hedral geometry. A partially overlapped arrangement between the bipyridine ligands and the aromatic ring of the sulfoisophthalate group of adjacent anions is observed; the distance (3.357 Å) indicates π-π stacking. Hydrogen bonds, with the water mol-ecules serving as hydrogen-bond donors, lead to a three-dimensional network architecture.

| S-EPMC2961927 | biostudies-literature

Bis(μ-naphthalene-1,8-dicarboxyl-ato)bis-[aqua-(2,2'-bipyridine)zinc(II)] tetra-hydrate.

Project description:The title complex, [Zn(2)(C(12)H(6)O(4))(2)(C(10)H(8)N(2))(2)(H(2)O)(2)]·4H(2)O, is a binuclear complex with two independent Zn(II) ions in a slightly disorted trigonal bipyramidal environment, coordinated by one aqua ligand, two naphthalene-1,8-dicarboxyl-ate ligands and one 2,2'-bipyridine ligand. π-π Inter-actions [centroid-centroid distance of 3.8489 (5) Å] and O-H⋯O hydrogen bonds connect the mol-ecules, forming a three-dimensional structure.

| S-EPMC2959877 | biostudies-literature

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