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Tetra-?-acetato-?O:O'-bis-{[2,2-dimeth-yl-N-(pyridin-2-yl)propanamide-?N]copper(II)}(Cu-Cu).

ABSTRACT: The crystal structure of the title compound, [Cu(2)(C(2)H(3)O(2))(4)(C(10)H(14)N(2)O)(2)], reveals a dinuclear Cu(II) complex located about a center of inversion. The coordination environment of each Cu(II) cation is distorted octa-hedral, composed of four bridging acetate ligands, an apical pyridine donor and is completed by a Cu-Cu bond. The amide H atom forms intra-molecular hydrogen bonds to two carboxyl O atoms. In the crystal, weak inter-molecular pyridine-amide C-H?O inter-actions are also present.

SUBMITTER: Asem S

PROVIDER: S-EPMC3238774 | biostudies-literature | 2011 Dec

REPOSITORIES: biostudies-literature

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Tetra-μ-acetato-κO:O'-bis-{[2,2-dimeth-yl-N-(pyridin-2-yl)propanamide-κN]copper(II)}(Cu-Cu).

Asem Samuel S Buchanan Robert M RM Mashuta Mark S MS

Acta crystallographica. Section E, Structure reports online 20111130 Pt 12

The crystal structure of the title compound, [Cu(2)(C(2)H(3)O(2))(4)(C(10)H(14)N(2)O)(2)], reveals a dinuclear Cu(II) complex located about a center of inversion. The coordination environment of each Cu(II) cation is distorted octa-hedral, composed of four bridging acetate ligands, an apical pyridine donor and is completed by a Cu-Cu bond. The amide H atom forms intra-molecular hydrogen bonds to two carboxyl O atoms. In the crystal, weak inter-molecular pyridine-amide C-H⋯O inter-actions are als ...[more]

PMID: 22199651

Similar Datasets

Tetra-kis[μ-2-(3,4-dimeth-oxy-phen-yl)acetato]-κO:O';κO,O':O;κO:O,O'-bis-{[2-(3,4-dimeth-oxy-phen-yl)acetato-κO,O'](1,10-phenanthroline-κN,N')samarium(III)}.

Project description:In the centrosymmetric dinuclear title complex, [Sm(2)(C(10)H(11)O(4))(6)(C(12)H(8)N(2))(2)], the Sm(III) ion is nine-coordinated by seven O atoms of five 2-(3,4-dimeth-oxy-phen-yl)acetate (DMPA) ligands and two N atoms of one bis-chelating 1,10-phenanthroline (phen) ligand, forming a distorted tricapped trigonal-prismatic environment. The DMPA ligands coordinate in bis-chelate, bridging and bridging tridentate modes. An intra-molecular C-H⋯O hydrogen bond occurs. Inter-molecular C-H⋯O inter-actions are also present in the crystal.

| S-EPMC3009179 | biostudies-literature

Tetra-μ-acetato-κO:O'-bis-{[4-methyl-N-(4-methyl-phen-yl)pyridin-2-amine-κN]copper(II)}.

Project description:The title complex, [Cu(2)(CH(3)COO)(4)(C(13)H(14)N(2))(2)], features a binuclear mol-ecule, which lies about a crystallographic centre of inversion; the four acetate ions each bridge a pair of Cu(II) atoms. The coordination of the metal atom is distorted octa-hedral within a donor set defined by four O atoms, the heterocyclic N atom and the second Cu atom. The pyridine ring is twisted with respect to the tolyl ring and forms a dihedral angle of 35.34 (9)°. A bifurcated N-H⋯(O,O) hydrogen bond is present, linking the amine group to two carboxyl-ate O atoms derived from different acetate ions. In the crystal, C-H⋯π inter-actions link mol-ecules into a supra-molecular array in the bc plane.

| S-EPMC3007970 | biostudies-literature

Tetra-μ-acetato-κO:O'-bis-{[N-(4-chloro-phen-yl)-4-methyl-pyridin-2-amine-κN]copper(II)}.

Project description:In the crystal structure of the title complex, [Cu(2)(CH(3)COO)(4)(C(12)H(11)ClN(2))(2)], the complete binuclear mol-ecule is generated by a crystallographic centre of inversion; the four acetate groups each bridge a pair of Cu(II) atoms. The coordination of the metal atom is distorted octa-hedral within a donor set defined by four O atoms, the heterocyclic N atom and the second Cu atom. The pyridine ring is twisted with respect to the benzene ring, forming a dihedral angle of 33.9 (2)°. An intra-molecular N-H⋯O hydrogen bond is present between the amino group and a carboxyl O atom. Inter-molecular inter-actions of the C-H⋯π type link mol-ecules in the crystal structure.

| S-EPMC3008138 | biostudies-literature

catena-Poly[[tetra-kis(μ(2)-acetato-κO:O')dicopper(II)(Cu-Cu)]-μ(2)-acetato-κO:O'-[bis-[μ(2)-3-(dimethyl-amino)propan-1-olato]-κN,O:O;κO:N,O-bis-[(tetra-hydro-furan-κO)copper(II)]]-μ(2)-acetato-κO:O'].

Project description:The title complex, [Cu(4)(C(5)H(12)NO)(2)(C(2)H(3)O(2))(6)(C(4)H(8)O)(2)](n), consists of dinuclear [Cu(2)(C(5)H(12)NO)(2)(THF)(2)] (THF is tetra-hydro-furan) and [Cu(2)(CH(3)COO)(4)] units linked through acetate ions, generating parallel one-dimensional polymeric chains propagating in the [10] direction. In the first dinuclear unit, Cu(II) ions related by inversion symmetry are bridged by two 3-(dimethyl-amino)propan-1-olate ligands. Likewise, a pair of inversion-related Cu(II) ions are bridged by four acetate groups. The crystallographically independent Cu centers are linked to one another by a single bridging acetate group, generating an infinite chain. The distorted square-pyramidal coordination of the first metal center is completed with an apical THF mol-ecule, with a long Cu-O bond length of 2.476 (5) Å. The geometry around the other metal atom is close to octa-hedral, and the Cu⋯Cu separation in this unit is 2.652 (1) Å. The distance between the metal centers in the first dinuclear unit is considerably longer [3.068 (1) Å], suggesting little or no bonding inter-action. The Cu⋯Cu separation between two acetate-bridged independent Cu centers is 4.860 (2) Å. The THF mol-ecule has methyl-ene groups disordered over two positions, with occupancies of 0.608 (13) and 0.392 (13).

| S-EPMC2960524 | biostudies-literature

catena-Poly[[(1,10-phenanthroline-κN,N')praseodymium(III)]-di-μ-phenoxy-acetato-κO:O'-[(1,10-phenanthroline-κN,N')praseodymium(III)]-di-μ-phenoxy-acetato-κO:O'-di-μ-phenoxy-acetato-κO,O':O;κO:O,O'].

Project description:The title complex, [Pr(2)(C(8)H(7)O(3))(6)(C(12)H(8)N(2))(2)](n), which has an inversion centre midway between the two Pr(III) atoms of the structural unit, forms a one-dimensional polymer bridged alternately by either two bidentate, or two bidentate and two terdentate, phenoxy-acetate carboxyl-ate groups. Each Pr(III) atom is thus nine-coordinated by two N atoms of a 1,10-phenanthroline ligand and seven O atoms from six phenoxy-acetate ligands. The coordination geometry at the Pr(III) atom is distorted tricapped trigonal prismatic. One phenyl ring is disordered over two positions; the site occupancy factors are ca 0.6 and 0.4.

| S-EPMC2960179 | biostudies-literature

2,2-Dimethyl-N-(4-methyl-pyridin-2-yl)propanamide.

Project description:In the title compound, C11H16N2O, the dihedral angle between the mean plane of the 4-methypyridine group and the plane of the amide link is 16.7 (1)°, and there is a short intra-molecular C-H⋯O contact. Hydrogen bonding (N-H⋯O) between amide groups forms chains parallel to the b axis. Pairs of methyl-pyridine groups from mol-ecules in adjacent chains are parallel but there is minimal π-π inter-action.

| S-EPMC3998503 | biostudies-literature

(Acetato-κO)(2,2'-bipyridine-κN,N')trimethyl-platinum(IV) monohydrate.

Project description:In the title hydrate, [Pt(CH(3))(3)(CH(3)COO)(C(10)H(8)N(2))]·H(2)O, the Pt(IV) atom exhibits a distorted octa-hedral coordination geometry built up by three methyl ligands in a facial arrangement, a bipyridine ligand and a monodentately bound acetate ligand. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds are observed between the water mol-ecule and the platinum complex, which link the mol-ecules into chains along the c axis.

| S-EPMC2983493 | biostudies-literature

Di-μ-acetato-κO:O-bis-{(acetato-κO,O')bis-[3-(1H-imidazol-1-yl-κN)-1-phenyl-propan-1-one]cadmium} tetra-hydrate.

Project description:In the mol-ecular structure of the title neutral binuclear complex, [Cd(2)(C(2)H(3)O(2))(4)(C(12)H(12)N(2)O)(4)]·4H(2)O, each Cd(II) atom is six-coordinated and exhibits a distorted octa-hedral geometry. Three O atoms from two acetate ions and one monodentate 3-(1H-imidazol-1-yl-κN(3))-1-phenyl-propan-1-one (L) ligand form the equatorial plane, while the bridging-O atom forming the longer Cd-O distance,and the N atom of the second L ligand, forming the longer Cd-N distance, occupy axial positions with an N-Cd-O angle of 170.77 (7)°. Inter-molecular O-H⋯O hydrogen bonds exist between the lattice water mol-ecules and the acetate ions of adjacent mol-ecules, resulting in a two-dimensional supra-molecular structure.

| S-EPMC3238768 | biostudies-literature

catena-Poly[[diaqua-[(4-tolyl-sulfan-yl)acetato-κO]cadmium(II)]-μ-4,4'-bipyridine-κN:N'].

Project description:The title complex, [Cd(C(9)H(9)O(2)S)(2)(C(10)H(8)N(2))(H(2)O)(2)](n), has a linear chain structure. The central Cd(II) ion is in a slightly disorted octa-hedral environment, coordinated by two aqua ligands, two (4-tolyl-sulfan-yl)acetate ligands and two bridging 4,4'-bipyridine ligands. The Cd(II) ion lies on a twofold rotation axis. Inter-molecular O-H⋯O hydrogen bonds connect adjacent chains, forming a layer structure. An intramolecular O-H⋯O hydrogen bond is also present.

| S-EPMC2960514 | biostudies-literature

Crystal structure of 2,2-dimethyl-N-(pyridin-3-yl)propanamide.

Project description:In the title compound, C10H14N2O, the pyridine ring is inclined to the mean plane of the amide moiety [N-C(=O)C] by 17.60 (8)°. There is an intra-molecular C-H⋯O hydrogen bond present involving the carbonyl O atom. In the crystal, mol-ecules are linked via N-H⋯N hydrogen bonds, forming chains propagating along [100]. The tert-butyl group is disordered over two sets of sites with a refined occupancy ratio of 0.758 (12):0.242 (12).

| S-EPMC4438820 | biostudies-literature

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