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Bis(2,4-dibromo-6-formyl-phenolato-κO,O')copper(II).

ABSTRACT: In the title compound, [Cu(C(7)H(3)Br(2)O(2))(2)], the Cu(II) atom, which lies on an inversion centre, is coordinated by four O atoms from two chelating bidentate 2,4-dibromo-6-formyl-phenolate ligands in a slightly distorted square-planar coordination geometry. In the crystal structure, short inter-molecular Br⋯Br [3.516 (4) and 3.653 (4) Å] and Cu⋯Br [3.255 (1) Å] contacts together with C-H⋯O hydrogen bonds generate a three-dimensional network.

SUBMITTER: Li GZ

PROVIDER: S-EPMC2914936 | biostudies-literature | 2007 Dec

REPOSITORIES: biostudies-literature

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Bis(2,4-dibromo-6-formyl-phenolato-κO,O')copper(II).

Li Guang Zhao GZ Zhang Shu Hua SH Liu Zheng Z

Acta crystallographica. Section E, Structure reports online 20071206 Pt 1

In the title compound, [Cu(C(7)H(3)Br(2)O(2))(2)], the Cu(II) atom, which lies on an inversion centre, is coordinated by four O atoms from two chelating bidentate 2,4-dibromo-6-formyl-phenolate ligands in a slightly distorted square-planar coordination geometry. In the crystal structure, short inter-molecular Br⋯Br [3.516 (4) and 3.653 (4) Å] and Cu⋯Br [3.255 (1) Å] contacts together with C-H⋯O hydrogen bonds generate a three-dimensional network. ...[more]

PMID: 21200624

Similar Datasets

Diaqua-bis(2,4-dichloro-6-formyl-phenolato)zinc(II)-bis-(μ-2,4-dichloro-6-formyl-phenolato)bis-[aqua-(2,4-dichloro-6-formyl-phenolato)zinc(II)] (2/1).

Project description:The crystal of the title compound, [Zn(C(7)H(3)Cl(2)O(2))(2)(H(2)O)(2)](2)·[Zn(2)(C(7)H(3)Cl(2)O(2))(4)(H(2)O)(2)], consists of monomeric and dimeric Zn(II) complexes. Both complexes afford a six-coordinated coordination environment about the Zn atoms with cis-configuration ligands. The deprotonated hydr-oxy groups of the 3,5-dichloro-salicylaldehyde ligands bridge two metal cations, forming a centrosymmetric dimeric complex. Inter-molecular O-H⋯O hydrogen bonding occurs between the coordinated water mol-ecules and deprotonated hydr-oxy groups in the crystal structure.

| S-EPMC2972068 | biostudies-literature

catena-Poly[copper(II)-bis(μ-2,4-dichloro-6-formyl-phenolato)-κO,O':Cl;κCl:O,O'].

Project description:In the title compound, [Cu(C(7)H(3)Cl(2)O(2))(2)](n), the Cu(II) atom lies on a centre of inversion and adopts a [4+2] coordination mode, with two long axial Cu-Cl coordinative bonds complementing four Cu-O bonds from two 2,4-dichloro-6-formyl-phenolate ligands in a distorted square plane. π-π stacking inter-actions are also formed between neighbouring aromatic rings, with a centroid-centroid separation of 3.624 (2) Å.

| S-EPMC2961934 | biostudies-literature

cis-Aqua-bis(2,4-dichloro-6-formyl-phenolato-κO,O')(N,N-dimethyl-formamide-κO)nickel(II).

Project description:In the title compound, [Ni(C(7)H(3)Cl(2)O(2))(2)(C(3)H(7)NO)(H(2)O)], the Ni(II) ion is coordinated by four O atoms from two bidentate 2,4-dichloro-6-formyl-phenolate ligands, one O atom from a water ligand and one O atom from a dimethyl-formamide ligand in a slightly distorted octa-hedral environment. In the crystal structure, centrosymmetric dimers are formed though O-H⋯O and O-H⋯Cl hydrogen bonds; π-π stacking inter-actions, with a centroid-centroid distance of 3.796 (2) Å, are also found.

| S-EPMC2961979 | biostudies-literature

Bis(2-methoxy-phenolato-κO,O')copper(II).

Project description:In the title compound, [Cu(C(7)H(7)O(2))(2)], the asymmetric unit contains one and a half molecules with the central Cu(II) atoms situated on a general position and on a centre of inversion, respectively. Both Cu(II) atoms show a similar slightly distorted square-planar coordination, resulting from four O atoms of two 2-methoxyphenolate anions.

| S-EPMC2970257 | biostudies-literature

Bis(2-eth-oxy-6-formyl-phenolato-κO,O)nickel(II).

Project description:The title compound, [Ni(C(9)H(9)O(3))(2)], was synthesized by the reaction of 3-ethoxy-salicylaldehyde with nickel(II) nitrate in methanol solution. The asymmetric unit onsists of two half-molecules; each Ni atom lies on a centre of symmetry. The Ni(II) ions are coordinated by four O atoms from two deprotonated 3-ethoxy-salicylaldehyde ligands in a slightly distorted square-planar coordination environment.

| S-EPMC2960901 | biostudies-literature

Diaqua-bis(4-bromo-2-formyl-phenolato-κO,O')cobalt(II).

Project description:In the title complex, [Co(C(7)H(4)BrO(2))(2)(H(2)O)(2)], the Co(II) ion, which lies on a crystallographic inversion center, is coordin-ated by four O atoms from two bidentate 4-bromo-2-formyl-phenolate ligands and two O atoms from two water ligands in a slightly distorted octa-hedral environment. In the crystal structure, one-dimensional chains are formed through inter-molecular O-H⋯O hydrogen bonds, which are further linked into a two-dimensional network through Br⋯Br inter-actions [Br⋯Br = 3.772 (4) Å].

| S-EPMC2959384 | biostudies-literature

Bis[2,4-dibromo-6-(ethyl-imino-methyl)phenolato-κN,O]cobalt(II).

Project description:In the title compound, [Co(C(9)H(8)Br(2)NO)(2)], the Co(II) atom, located on a twofold axis, is in a pseudo-tetra-hedral environment, with two bidentate 2,4-dibromo-6-(ethyl-imino-meth-yl)phenolate Schiff base ligands acting as chelates through their phenolate O and azomethine N atoms. C-H⋯O hydrogen bonds link the complex mol-ecules to form a chain parallel to the b axis.

| S-EPMC3007887 | biostudies-literature

Bis[2-(benzyl-amino)-pyridine-κN]bis-(2-formyl-phenolato-κO,O')nickel(II).

Project description:In the title complex, [Ni(C(7)H(5)O(2))(2)(C(12)H(12)N(2))(2)], the Ni(II) atom lies on a center of inversion and is coordinated in an octa-hedral geometry by two 2-(benzyl-amino)-pyridine (2-BAP) and two 2-formyl-phenolate ligands with the O-atom donors in the equatorial plane and the pyridine N atoms in axial positions. There are hydrogen-bonding inter-actions between the secondary amine H atom and the phenolate O atom, as well as C-H⋯O inter-actions, which result in the dihedral angle between the aromatic phenyl ring of the 2-formyl-phenolate moiety and the pyridine ring being 80.23 (4)°. In the packing, there are both C-H⋯π inter-actions, which link the mol-ecules into chains along the b axis, and offset π-π inter-actions involving both the pyridine and phenyl rings of the 2-BAP ligands [centroid-centroid distances = 4.0100 (8) Å for the pyridine rings and 3.6601 (8) and 4.8561 (8) Å for the phenyl rings].

| S-EPMC3051610 | biostudies-literature

Bis{μ-2-[(pyridin-2-yl)imino-meth-yl]phenolato}bis-[(2-formyl-phenolato)copper(II)].

Project description:The asymmetric unit of the title compound, [Cu(2)(C(12)H(9)N(2)O)(2)(C(7)H(5)O(2))(2)], contains two independent (2-formyl-phen-olato){2-[(pyridin-2-yl)imino-meth-yl]phenolato}copper(II) mol-ecules that form pseudocentrosymmetric dimers via inter-actions between the Cu and pyridyl N atoms of independent monomers. The square-planar geometry of the Cu atoms in the monomer thus becomes square-based pyramidal in the dimer. The crystal studied was an inversion twin, with unequal populations of 0.353 (17) and 0.647 (17).

| S-EPMC3120375 | biostudies-literature

catena-Poly[copper(II)-bis-(μ-2-formyl-6-meth-oxy-phenolato-κO,O:O,O)-[(methanol-κO)sodium]-μ-perchlorato-κO:O'].

Project description:In the title heterodinuclear complex, [CuNa(C(8)H(7)O(3))(2)(ClO(4))(CH(3)OH)](n), the Cu(II) ion is five-coordinated by four O atoms from two 2-formyl-6-meth-oxy-phenolate anions and one O atom from a perchlorate anion in a distorted square-pyramidal geometry. The Na(+) ion is six-coordinated by four O atoms from two 2-formyl-6-meth-oxy-phenolate ligands, one O atom of a methanol mol-ecule and one O atom of a perchlorate anion. The perchlorate anions link the Na(+) and Cu(II) ions, forming a chain along [010]. O-H⋯O hydrogen bonds connect the chains. π-π inter-actions are present between the benzene rings [centroid-centroid distances = 3.566 (2) and 3.702 (2) Å]. The O atoms of the perchlorate anion are disordered over two sets of sites, with an occupancy ratio of 0.481 (8):0.519 (8).

| S-EPMC3274885 | biostudies-literature

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