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Bis[4-chloro-2-(imino-meth-yl)phenolato]copper(II).

ABSTRACT: In the title mononuclear copper(II) complex, [Cu(C(7)H(5)ClNO)(2)], the Cu atom, situated on an inversion center, is four-coordinated, in a slightly distorted square-planar geometry, by the N- and O-donor atoms of two symmetry-related 4-chloro-2-(imino-meth-yl)phenolate Schiff base ligands.

SUBMITTER: Tang C

PROVIDER: S-EPMC2968960 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Bis{?-2-meth-oxy-6-[(methyl-imino)-meth-yl]phenolato}bis-({2-meth-oxy-6-[(methyl-imino)-meth-yl]phenolato}copper(II)).

Project description:The title compound, [Cu2(C9H10NO2)4], is built of discrete centrosymmetric dimers. The Cu(II) atoms are each five coordinated by two deprotonated Schiff base ligands that are bonded differently to the metal atoms. Of the two phenolate O atoms, one is coordinated to one Cu(II) atom, whereas another bridges the two metal atoms. The basal plane of the square pyramid around Cu(II) atoms is formed by the imino N and phenolate O atoms of the bidentate and the monodentate/bidentate Schiff base ligands. The bridging phenolate oxygen occupies the apical position of the coordination sphere with a considerably longer Cu-O bond length. In the crystal, the dimeric mol-ecules pack relative to each other in such a way that the Cu2O2 planes of adjacent dimers are orthogonal.

| S-EPMC3790358 | biostudies-literature

Bis{?-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

Bis[2-(butyl-imino-meth-yl)-4-chloro-phenolato]iron(II).

Project description:In the title compound, [Fe(C(11)H(13)ClNO)(2)], the Fe(II) atom is four-coordinated in a square-planar geometry by the O and N atoms of two 2-(butyl-imino-meth-yl)-4-chloro-phenolate Schiff base ligands.

| S-EPMC2961439 | biostudies-literature

Bis{(E)-2-[(2-chloro-3-pyrid-yl)imino-meth-yl]-6-meth-oxy-phenolato-?N,O}copper(II).

Project description:In the title mononuclear copper(II) complex, [Cu(C(13)H(10)ClN(2)O(2))(2)], the Cu(II) ion, lying on an inversion center, is four-coordinated in a trans-CuN(2)O(2) square-planar geometry by two phenolate O and two imino N atoms from two symmetry-related N,O-bidentate Schiff base ligands. The shortest Cu?Cu distance is 7.5743?(9)?Å. However, there are weak intra-molecular electrostatic inter-actions between the Cu atom and the Cl atom of the ligand, with a Cu?Cl distance of 3.3845?(9)?Å.

| S-EPMC3050418 | biostudies-literature

Bis{2-[(2-cyano-phen-yl)imino-meth-yl]phenolato}copper(II).

Project description:In the title mononuclear copper(II) complex, [Cu(C(14)H(9)N(2)O)(2)], the Cu(II) atom, situated on an inversion centre, shows a slightly distorted square-planar geometry and is coordinated by the N and O atoms from two deprotonated symmetry-related Schiff base ligands. The Cu-N and Cu-O bond lengths are 2.009 (2) and 1.888 (2) Å, respectively. The dihedral angle between the cyano-phenyl rings and phenolate rings is 42.28 (13)°.

| S-EPMC2959947 | biostudies-literature

Bis[μ-2-(benzyl-imino-meth-yl)-4-chloro-phenolato]bis[chloridocopper(II)].

Project description:The title complex, [Cu(2)(C(14)H(11)ClNO)(2)Cl(2)], has a centrosymmetric dinuclear structure where two symmetry-related copper(II) metal centres are bridged by the O atoms of two phen-oxy groups. Each copper(II) centre displays a distorted tetra-hedral coordination provided by one N atom and two O atoms from two Schiff base ligands and by one Cl atom. The Cu⋯Cu separation is 3.0702 (9) Å.

| S-EPMC2915143 | biostudies-literature

Bis[2-(cyclo-pentyl-imino-meth-yl)-5-meth-oxy-phenolato]copper(II).

Project description:The title compound, [Cu(C(13)H(16)NO(2))(2)], is a mononuclear copper(II) complex derived from the Schiff base ligand 2-(cyclo-pentyl-imino-meth-yl)-5-meth-oxy-phenol and copper acetate. The Cu(II) atom is four-coordinated by the phenolate O atoms and imine N atoms from two Schiff base ligands, in a highly distorted square-planar geometry. The O- and N-donor atoms are mutually trans and the dihedral angle between the two benzene rings is 55.8?(3)°.

| S-EPMC3007536 | biostudies-literature

Bis{(E)-4-bromo-2-[(2-chloro-3-pyrid-yl)imino-meth-yl]phenolato-?N,O}copper(II).

Project description:In the title complex, [Cu(C(12)H(7)BrClN(2)O)(2)], the Cu(II) center is tetra-coordinated by two phenolate O and two azomethine N atoms from two independent bidentate 4-bromo-2-[(2-chloro-3-pyrid-yl)imino-meth-yl]phenolate (L) ligands. In the crystal structure, the Cu(II) atom has a distorted square-planar coordination environment. The inter-planar dihedral angles between the benzene and pyridine rings in the individual ligands are 63.83?(4) and 54.43?(3)°, indicating the pyridine ring to have considerably weaker steric hindrance.

| S-EPMC2977463 | biostudies-literature

Bis{μ-4-chloro-2-[(2-pyridyleth-yl)imino-meth-yl]phenolato}bis-[chloridocopper(II)].

Project description:The title compound, [Cu(2)(C(14)H(12)ClN(2)O)(2)Cl(2)], is a copper(II) dimer where the metal centres are bridged by O atoms from a 5-chloro-salicylaldehyde group. The coordination geometry of each copper(II) centre is distorted square-pyramidal, with two N atoms from a 2-ethyl-amino-pyridine group and two O atoms from a 5-chloro-salicylaldehyde group occupying the basal positions, and with a Cl atom at the apical position. The dimer is centrosymmetric, with a crystallographic inversion centre midway between the two Cu atoms [Cu⋯Cu = 3.103 (9) Å].

| S-EPMC2961964 | biostudies-literature

Bis{2-meth-oxy-6-[(3-pyrid-yl)methyl-imino-meth-yl]phenolato}copper(II).

Project description:In the mononuclear title complex, [Cu(C(14)H(13)N(2)O(2))(2)], the Cu(II) atom lies on an inversion centre and adopts a square-planar coordination geometry. The dihedral angle formed by the pyridine and benzene rings is 74.61?(5)°. Intra-molecular C-H?O hydrogen bonds are present. The crystal structure is stabilized by weak aromatic ?-? stacking inter-actions involving neighbouring pyridine rings [centroid-centroid distance = 3.853?(2)?Å].

| S-EPMC2970154 | biostudies-literature

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