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Aqua-[4-(hydroxy-imino-meth-yl)pyridine-κN](pyridine-2,6-dicarboxyl-ato-κO,N,O)copper(II).

ABSTRACT: In the title compound, [Cu(C(7)H(3)NO(4))(C(6)H(6)N(2)O)(H(2)O)], the coordination geometry of the Cu(II) atom can be described as distorted square pyramidal. The basal plane is defined by one N atom and two O atoms from the deprotonated pyridine-2,6-dicarboxyl-ate ligand, and a pyridyl N atom from the 4-pyridyl aldoxime ligand. The apical position is occupied by a water mol-ecule. O-H⋯O hydrogen bonds lead to the formation of a two-dimensional network.

SUBMITTER: Mutambi EM

PROVIDER: S-EPMC2961909 | biostudies-literature | 2008 Jul

REPOSITORIES: biostudies-literature

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Aqua-[4-(hydroxy-imino-meth-yl)pyridine-κN](pyridine-2,6-dicarboxyl-ato-κO,N,O)copper(II).

Mutambi E M EM

Acta crystallographica. Section E, Structure reports online 20080705 Pt 8

In the title compound, [Cu(C(7)H(3)NO(4))(C(6)H(6)N(2)O)(H(2)O)], the coordination geometry of the Cu(II) atom can be described as distorted square pyramidal. The basal plane is defined by one N atom and two O atoms from the deprotonated pyridine-2,6-dicarboxyl-ate ligand, and a pyridyl N atom from the 4-pyridyl aldoxime ligand. The apical position is occupied by a water mol-ecule. O-H⋯O hydrogen bonds lead to the formation of a two-dimensional network. ...[more]

PMID: 21203078

Similar Datasets

Aqua-(1H-benzimidazole-κN)(pyridine-2,6-dicarboxyl-ato-κO,N,O)copper(II) 0.75-hydrate.

Project description:The title complex, [Cu(C(7)H(3)NO(4))(C(7)H(6)N(2))(H(2)O)]·0.75H(2)O, consists of discrete monomeric units. The Cu(II) atom is coordinated by two carboxyl-ate O atoms and the N atom from a dipicolinate unit and by an N atom from a benzimidazole ligand. The distorted square-pyramidal geometry is completed by a longer axial bond to the O atom of a water mol-ecule. The mol-ecular structure and packing are stabilized by classical O-H⋯O and N-H⋯O hydrogen bonds, also including a disordered crystal water molecule.

| S-EPMC2979051 | biostudies-literature

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Project description:The title compound, {(C(10)H(10)N(2))[Ce(2)(C(7)H(3)NO(4))(4)(H(2)O)(4)]·5H(2)O}(n), is composed of a one-dimensional anionic complex, a doubly protonated 4,4'-bipyridine mol-ecule as a counter-ion and five uncoordinated water mol-ecules. The anion bears two nine-coordinate Ce(III) ions, each with a distorted tricapped trigonal-prismatic geometry. In the crystal, inter-molecular C-H⋯O, N-H⋯O and O-H⋯O hydrogen bonds, as well as π-π inter-actions with centroid-centroid distances of 3.514 (3) Å connect the various components into a supra-molecular structure.

| S-EPMC3051934 | biostudies-literature

Aqua-(pyridine-3-carb-oxy-lic acid-κN)(pyridine-2,6-dicarboxyl-ato-κO,N,O)copper(II) monohydrate.

Project description:In the title Cu(II) complex, [Cu(C(7)H(3)NO(4))(C(6)H(5)NO(2))(H(2)O)]·H(2)O, the environment of the Cu(2+) ion is a distorted square pyramid with the axial site occupied by the O atom from the coordinated water mol-ecule and the square base formed by two O and two N atoms from the tridentate anion and the neutral monodentate pyridine-3-carboxylic acid ligand. O-H⋯O hydrogen bonds, as well as π-π inter-actions [centroid-centroid distance = 3.945 (3) Å] contribute to the stabilization of this structure.

| S-EPMC3120614 | biostudies-literature

Aqua-(di-2-pyridyl-amine-κN,N)(pyridine-2,6-dicarboxyl-ato-κO,N,O)zinc monohydrate.

Project description:In the title compound, [Zn(C(7)H(3)NO(4))(C(10)H(9)N(3))(H(2)O)]·H(2)O, the Zn(II) atom has a distorted octa-hedral coordination geometry. One of the water mol-ecules is coordinated with the Zn(II) ion and this mol-ecule forms an O-H⋯O inter-action with the lattice water mol-ecule. The pyridine-2,6-dicarboxyl-ate ligand is almost planar (r.m.s. deviation = 0.0242 Å). In the crystal, C-H⋯O, C-H⋯N, O-H⋯O and N-H⋯O hydrogen bonds are present.

| S-EPMC3120453 | biostudies-literature

Aqua-(4-carb-oxy-pyridine-2,6-dicarboxyl-ato-κO,N,O)(1,10-phenanthroline-κN,N')nickel(II).

Project description:The title compound, [Ni(C(8)H(3)NO(6))(C(12)H(8)N(2))(H(2)O)], contains an Ni(II) ion, a 1,10-phenanthroline (phen) ligand, a 4-carb-oxy-pyridine-2,6-dicarboxyl-ate (Hptc(2-)) anion and a coordinated water mol-ecule. The Ni(II) atom exhibits a distorted octa-hedral N(3)O(3) environment. O-H⋯O hydrogen bonding between coordinated water and carboxyl-ate O atoms, as well as π-π stacking inter-actions [inter-planar distances between phen rings = 3.293 (2) Å] lead to a supermolecular assembly.

| S-EPMC3212132 | biostudies-literature

Aqua-(4-hydroxy-pyridine-2,6-dicarboxyl-ato)(1,10-phenanothroline)copper(II) 4.5-hydrate.

Project description:The title compound, [Cu(C(7)H(3)NO(5))(C(12)H(8)N(2))(H(2)O)]·4.5H(2)O or [Cu(hypydc)(phen)(H(2)O)]·4.5H(2)O (phen is 1,10-phenanthroline and hypydcH(2) is 4-hydroxy-pyridine-2,6-dicarboxylic acid), was obtained by the reaction of copper(II) nitrate hexa-hydrate with the proton-transfer compound (phenH)(2)(hypydc) in aqueous solution. Both the cationic and the anionic fragments of the proton-transfer compound are involved in complexation. Each Cu(II) atom has a distorted octa-hedral geometry. It is hexa-coordinated by three O atoms and three N atoms, from one phen fragment (as bidentate ligand), one (hypydc)(2-) unit (as tridentate ligand) and a water mol-ecule. In the crystal structure, O-H⋯O and C-H⋯O hydrogen bonds, and π-π stacking inter-actions [centroid-to-centroid distance 3.5642 (11) Å] between the phen ring systems, contribute to the formation of a three-dimensional supra-molecular structure.

| S-EPMC2915167 | biostudies-literature

Aqua-(picolinato N-oxide-κO,O)(pyridine-2,6-dicarboxyl-ato-κO,N,O')iron(III) monohydrate.

Project description:In the title compound, [Fe(C(6)H(4)NO(3))(C(7)H(3)NO(4))(H(2)O)]·H(2)O, the Fe(III) ion is coordinated by two O and one N atoms from a pyridine-2,6-dicarboxyl-ate ligand, by two O atoms from a picolinate N-oxide ligand and by one water O atom in a distorted octa-hedral geometry [Fe-O = 1.940 (3)-2.033 (3) Å and Fe-N = 2.057 (4) Å]. In the crystal structure, the coordinated and solvent water mol-ecules contribute to the formation of O-H⋯O hydrogen bonds, which link the mol-ecules into layers parallel to the ab plane.

| S-EPMC2959446 | biostudies-literature

2,6-Diamino-pyridinium bis-(4-hydroxy-pyridine-2,6-dicarboxyl-ato-κO,N,O)ferrate(III) dihydrate.

Project description:The reaction of iron(II) sulfate hepta-hydrate with the proton-transfer compound (pydaH)(hypydcH) (pyda = pyridine-2,6-diamine; hypydcH(2) = 4-hydroxy-pyridine-2,6-dicarboxylic acid) in an aqueous solution led to the formation of the title compound, (C(5)H(8)N(3))[Fe(C(7)H(3)NO(5))(2)]·2H(2)O. The anion is a six-coordinated complex with a distorted octa-hedral geometry around the Fe(III) atom. Extensive inter-molecular O-H⋯O, N-H⋯O and C-H⋯O hydrogen bonds, involving the complex anion, (pydaH)(+) counter-ion and two uncoordinated water mol-ecules, and π-π [centroid-to-centroid distance 3.323 (11) Å] and C-O⋯π [O-centroid distance 3.150 (15) Å] inter-actions connect the various components into a supra-molecular structure.

| S-EPMC2959321 | biostudies-literature

Bis(2,3-diamino-pyridinium) bis-(μ-pyridine-2,6-dicarboxyl-ato)-κO,N,O:O;κO:O,N,O-bis-[aqua-(pyridine-2,6-dicarboxyl-ato-κO,N,O)bis-muthate(III)] tetra-hydrate.

Project description:In the centrosymmetric dinuclear complex anion of the title compound, (C(5)H(8)N(3))(2)[Bi(2)(C(7)H(3)NO(4))(4)(H(2)O)(2)]·4H(2)O, the Bi(III) atom is eight-coordinated in an N(2)O(6) environment and has a distorted bicapped trigonal-prismatic coordination environment. Extensive inter-molecular O-H⋯O, N-H⋯O and weak C-H⋯O hydrogen bonds lead to the stability of the crystal structure. Inter-actions between one C-H group of the 2,3-diamino-pyridinium [(2,3-dapyH)(+)] cation and the aromatic ring of the pyridine-2,6-dicarboxyl-ate (pydc) ligand (C-H⋯centroid distance = 2.78 Å) and π-π inter-actions between the (2,3-dapyH)(+) cations and between the (2,3-dapyH)(+) cation and the pydc ligand [centroid-centroid distances = 3.489 (5) and 3.694 (5) Å] are observed.

| S-EPMC3052092 | biostudies-literature

Aqua-[1-(4-carb-oxy-phen-yl)-1H-imidazole-κN](pyridine-2,6-dicarboxyl-ato-κO,N,O)copper(II) monohydrate.

Project description:In the title complex, [Cu(C(7)H(3)NO(4))(C(10)H(8)N(2)O(2))(H(2)O)]·H(2)O, the Cu(II) ion is in a slightly distorted square-pyramidal geometry. Two carboxyl-ate O atoms and one pyridine N atom from a pyridine-2,6-dicarboxyl-ate ligand chelate the Cu(II) ion, forming two stable five-membered metalla rings. One imidazole N atom from a 1-(4-carb-oxy-phen-yl)imidazole ligand and one water mol-ecule complete the five-coordination. O-H⋯O hydrogen bonds involving the coordinated water mol-ecules and carboxyl-ate groups link the complex mol-ecules into chain-containing dinuclear macrocycles. O-H⋯O hydrogen bonds involving the uncoordinated water mol-ecules link the chains into a layer extending parallel to (10[Formula: see text]).

| S-EPMC3120502 | biostudies-literature

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