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Triaqua(2-{[(E)-5-formyl-2-oxidobenzyl-idene]amino}ethanesulfonato)cobalt(II) dihydrate.

ABSTRACT: The title compound, [Co(C(10)H(9)NO(5)S)(H(2)O)(3)]·2H(2)O, is a cobalt-Schiff base complex derived from taurine. There are two complex mol-ecules and four solvent water mol-ecules in the asymmetric unit. The central Co atom is six coordinated by two O atoms and one N atom of the ligand and three O atoms of water mol-ecules, forming a slightly distorted octa-hedral geometry. The crystal structure is stabilized by several O-H⋯O hydrogen bonds.

SUBMITTER: Zeng JL

PROVIDER: S-EPMC2969992 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Triaqua-bis{?-N-[N-(4-meth-oxy-2-oxidobenzyl-idene)glyc-yl]glycinato(3-)}cadmium(II)dicopper(II) dihydrate.

Project description:In the title compound, [CdCu(2)(C(12)H(11)N(2)O(5))(2)(H(2)O)(3)]·2H(2)O, the Cu(II) atoms are in a square plane of N(2)O(2) atoms contributed by the tetra-dentate Schiff base trianion. The Cu(II) atoms are coordinated by one phenolate O atom, one imine N atom, one amido N atom and one carboxyl-ate O atom. The Cd(II) atom is connected via the carboxyl-ate groups, forming a heterotrinuclear Cu(II)-Cd(II)-Cu(II) system. The Cd(II) atom is seven-coordinate in a penta-gonal-bipyramidal geometry with four O atoms from two carboxyl-ate groups and three aqua ligands. The heterotrinuclear mol-ecules are linked to the uncoordinated water mol-ecules by O-H?O hydrogen bonds into a three-dimensional framework.

| S-EPMC2971383 | biostudies-literature

Diaqua-[N-(5-nitro-2-oxidobenzyl-idene)glycinato]copper(II) dihydrate.

Project description:In the title complex, [Cu(C(9)H(6)N(2)O(5))(H(2)O)(2)]·2H(2)O, the Cu(II) atom has a square-pyramidal coordination environment with a tridentate N-(5-nitro-2-oxidobenzyl-idene)glycinate Schiff base ligand and a water mol-ecule in the basal plane. The apical site is occupied by an O atom from another coordinated water mol-ecule. The crystal structure is stabilized by O-H?O hydrogen bonds, building a two-dimensional network parallel to (100).

| S-EPMC2983767 | biostudies-literature

Hexaaqua-cadmium(II) bis-{[N-(2-oxidobenzyl-idene)glycyl-l-leucinato]cuprate(II)} dihydrate.

Project description:The title compound, [Cd(H(2)O)(6)][Cu(C(15)H(17)N(2)O(4))](2)·2H(2)O, has a chiral structure. Copper has a square-planar coordination with two N and two O atoms of the quadridentate chiral Schiff base ligand. The Cd(2+) ion is coordinated by six aqua ligands with a slightly distorted octa-hedral configuration. Ions are linked by O-H⋯O hydrogen bonds, and the [Cd(H(2)O)(6)](2+) cations and [CuL](-) anions (L = Schiff base derived from glycyl-l-leucine and salicylaldehyde) occupy a stacking structure within well separated columns along the a axis. The two crystallographically independent copper-Schiff base anions each have a chiral carbon centre with an S configuration. They are related by a non-crystallographic twofold rotation axis parallel to the [010] direction.

| S-EPMC2914968 | biostudies-literature

Triaqua-(1,10-phenanthroline-2,9-dicarboxyl-ato)cobalt(II) dihydrate.

Project description:The title compound, [Co(C(14)H(6)N(2)O(4))(H(2)O)(3)]·2H(2)O, has two-fold crystallographic symmetry. The Co(II) atom is in a distorted penta-gonal-bipyramidal coordination environment with two N atoms and two O atoms from a tetradentate 1,10-phenanthroline-2,9-dicarboxyl-ate ligand and one O atom from a water mol-ecule forming the penta-gonal plane, and two O atoms from two water mol-ecules occupying axial positions. In the crystal, adjacent mol-ecules are linked by O-H?O hydrogen bonds, forming a three-dimensional network.

| S-EPMC2983888 | biostudies-other

Tetra-aqua-bis(isonicotinamide-κN)cobalt(II) bis-(4-formyl-benzoate) dihydrate.

Project description:The asymmetric unit of the crystal structure of the title complex, [Co(C(6)H(6)N(2)O)(2)(H(2)O)(4)](C(8)H(5)O(3))(2)·2H(2)O, contains one-half of the complex cation with the Co(II) ion located on an inversion center, a 4-formyl-benzoate (FB) counter-anion and an uncoordinated water mol-ecule. The four O atoms in the equatorial plane around the Co(II) ion form a slightly distorted square-planar arrangement with an average Co-O bond length of 2.086 Å; the slightly distorted octa-hedral coordination is completed by the two N atoms of the isonicotinamide (INA) ligands at a slightly longer distance [2.1603 (14) Å] in the axial positions. The dihedral angle between the carboxyl-ate group and the attached benzene ring is 5.93 (13)°, while the pyridine and benzene rings are oriented at a dihedral angle of 3.09 (6)°. In the crystal structure, O-H⋯O, N-H⋯O and C-H⋯O hydrogen bonds link the mol-ecules into a three-dimensional network. π-π Contacts between the benzene and pyridine rings [centroid-centroid distance = 3.758 (1) Å] may further stabilize the crystal structure.

| S-EPMC2969956 | biostudies-literature

{2-[(5-Bromo-2-oxidobenzyl-idene)amino-?N,O]-3-methyl-penta-noato-?O}(1,10-phenanthroline-?N,N')copper(II) dihydrate.

Project description:In the title compound, [Cu(C(13)H(14)BrNO(3))(C(12)H(8)N(2))]·2H(2)O, the Cu(II) atom is penta-coordinated in a square-pyramidal geometry. The crystal packing is stabilized by O-H?O hydrogen bonds.

| S-EPMC2961405 | biostudies-literature

Hexaaqua-cobalt(II) bis-{[N-(4-meth-oxy-2-oxidobenzyl-idene)glycylglycinato]nickel(II)} hexa-hydrate.

Project description:In the title compound, [Co(H(2)O)(6)][Ni(C(12)H(11)N(2)O(5))](2)·6H(2)O, the Ni(II) atom has a nearly square-planar coordination with two N and two O atoms of the N-(4-meth-oxy-2-oxidobenzyl-idene)glycylglycinate Schiff base ligand (L(3-)). The Co(II) atom sits on an inversion center and is coordinated to six aqua ligands in a slightly distorted octa-hedral geometry. The [Co(H(2)O)(6)](2+) cations and [NiL](-) anions form columns along the a axis by O-H?O hydrogen bonds. Additional hydrogen bonds between the uncoordinated and coordinated water molecules help to consolidate the crystal packing.

| S-EPMC2977345 | biostudies-literature

Hexaaqua-cobalt(II) bis-{[N-(4-meth-oxy-2-oxidobenzyl-idene)glycyl-glycinato]copper(II)} hexa-hydrate.

Project description:In the crystal structure of the title compound, [Co(H(2)O)(6)][Cu(C(12)H(11)N(2)O(5))](2)·6H(2)O, the Co(II) atom is located on an inversion center and coordinated by six water mol-ecules in a slightly distorted octa-hedral geometry. The Cu(II) atom is chelated by the Schiff base ligand in a distorted CuN(2)O(2) square-planar geometry. An extensive O-H?O hydrogen-bonding network is present in the crystal structure.

| S-EPMC2971010 | biostudies-literature

(Dimethyl sulfoxide-?O)(2-formyl-phenolato-?O,O')[2-(2-oxidobenzyl-idene-amino)-phenolato-?O,N,O']manganese(III).

Project description:The O-C(6)H(4)-CH=N-C(6)H(4)-O dianion of the title compound, [Mn(C(13)H(9)NO(2))(C(7)H(5)O(2))(C(2)H(6)OS)], acts as an O,N,O'-chelate to bind to the Mn(III) atom, and the three atoms constitute three points [O-Mn-O = 174.43?(11)°] of an octa-hedron around the metal atom. The azomethine linkage is disordered over two positions in a 0.657?(13):0.343?(13) ratio. The deprotonated salicyldehyde anion acts as an O,O'-chelate; the sixth coordination site is represented by the O atom of the dimethyl sulfoxide mol-ecule. The crystal studied was a non-merohedral twin with a minor twin component of 14.2?(3)%.

| S-EPMC3120452 | biostudies-literature

{2-(4-Hy-droxy-phen-yl)-2-[(3-meth-oxy-2-oxidobenzyl-idene)amino-κO,N]propanoato-κO}(1,10-phenanthroline-κN,N')copper(II) dihydrate.

Project description:In the title complex, [Cu(C(17)H(15)NO(5))(C(12)H(8)N(2))]·2H(2)O, the central Cu(II) ion is five-coordinate, bound to one N atom and two O atoms from the Schiff base ligand and by two N atoms from a 1,10-phenanthroline ligand in a distorted square-pyramidal configuration. In the crystal, inter-molecular O-H⋯O and C-H⋯O hydrogen bonds form a two-dimensional network parallel to (001).

| S-EPMC3099980 | biostudies-literature

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