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{6,6'-Dieth-oxy-2,2'-[ethyl-enebis(nitrilo-methyl-idyne)]diphenolato}nickel(II) monohydrate.

ABSTRACT: In the title compound, [Ni(C(20)H(22)N(2)O(4))]·H(2)O, the Ni(II) ion and the water mol-ecule are located on a twofold rotation axis. The Ni ion is coordinated by two N [Ni-N = 1.8462 (18) Å] and two O [Ni-O = 1.8645 (14) Å] atoms in a distorted square-planar geometry. The water mol-ecule and the Ni complex mol-ecule are paired via O-H⋯O hydrogen bonds.

SUBMITTER: Xie H

PROVIDER: S-EPMC2959910 | biostudies-literature |

REPOSITORIES: biostudies-literature

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{6,6'-Dieth-oxy-2,2'-[2,2-dimethyl-propane-1,3-diylbis(nitrilo-methyl-idyne)]diphenolato}nickel(II) monohydrate.

Project description:In the title complex, [Ni(C(23)H(28)N(2)O(4))]·H(2)O, the Ni(II) ion is coordinated by the N(2)O(2) unit of the tetra-dentate Schiff base ligand in a slightly distorted planar geometry. The asymmetric unit of the title compound comprises one complex mol-ecule and a water mol-ecule of crystallization. The H atoms of the water mol-ecule make bifurcated inter-molecular hydrogen bonds with the O atoms of the phenolate and eth-oxy groups with R(1) (2)(5) and R(1) (2)(6) ring motifs, which may, in part, influence the mol-ecular configuration. The dihedral angle between the two benzene rings is 31.43 (5)°. The crystal structure is further stabilized by inter-molecular C-H⋯O and C-H⋯π inter-actions, which link neighbouring mol-ecules into one-dimensional extended chains along the a axis. An inter-esting feature of the crystal structure is the short inter-molecular C⋯C [3.3044 (14) Å] contact which is shorter than the sum of the van der Waals radii.

| S-EPMC2968910 | biostudies-literature

{6,6'-Dieth-oxy-2,2'-[4,5-dimethyl-o-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato}copper(II).

Project description:In the title complex, [Cu(C(26)H(26)N(2)O(4))], the Cu(II) ion lies on a crystallographic twofold rotation axis and is coordinated in a slightly distorted square-planar environment. The dihedral angle between the central benzene ring and each of the two symmetry-related outer benzene rings is 5.1?(2)°. The crystal structure is stabilized by inter-molecular ?-? inter-actions with centroid-centroid distances in the range 3.466?(2)-3.6431?(16)?Å.

| S-EPMC3009165 | biostudies-literature

{6,6'-Dieth-oxy-2,2'-[ethane-1,2-diylbis(nitrilo-methyl-idyne)]diphenolato}zinc(II) monohydrate.

Project description:The mol-ecule of the title compound, [Zn(C(20)H(22)N(2)O(4))]·H(2)O, deviates from planarity with a dihedral angle between the two benzene rings is 18.3 (1)°. The four-coordinate Zn(II) ion has a distorted square-planar coordination and is N(2)O(2)-chelated by the Schiff base ligand. The Zn(II) ion and solvent water mol-ecule are located on a twofold rotation axis. The structure displays inter-molecular O-H⋯O hydrogen bonding.

| S-EPMC2969102 | biostudies-literature

{6,6'-Dieth-oxy-2,2'-[2,2-dimethyl-propane-1,3-diylbis(nitrilo-methyl-idyne)]diphenolato}copper(II) monohydrate.

Project description:In the title complex, [Cu(C(23)H(28)N(2)O(4))]·H(2)O, the Cu(II) ion has a distorted planar geometry, coordinated by the N(2)O(2) unit of the tetra-dentate Schiff base ligand. The asymmetric unit comprises one complex mol-ecule and a water mol-ecule of crystallization. The water H atoms form bifurcated O-H⋯(O,O) inter-molecular hydrogen bonds with the O atoms of the phenolate and eth-oxy groups with R(1) (2)(5) and R(1) (2)(6) ring motifs, which may, in part, influence the mol-ecular configuration. The dihedral angle between the two O-Cu-N coordination planes is 31.02 (6)° and the dihedral angle between the two benzene rings is 34.98 (7)°. In the crystal structure, mol-ecules are linked together by inter-molecular C-H⋯O inter-actions, forming extended chains along the a axis. The crystal structure is further stabilized by inter-molecular C-H⋯π and π-π [centroid-centroid = 3.5068 (13) Å] inter-actions.

| S-EPMC2977574 | biostudies-literature

{6,6'-Dimeth-oxy-2,2'-[4,5-dimethyl-o-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato}nickel(II).

Project description:In the title Schiff base complex, [Ni(C(24)H(22)N(2)O(4))], the Ni(II) atom has a slightly distorted square-planar coordination environment. The dihedral angles between the central benzene ring and the two outer rings are 7.62?(16) and 9.78?(17)°. The crystal structure is stabilized by inter-molecular C-H?O hydrogen bonds and ?-? inter-actions with a centroid-centroid distance of 3.8218?(19)?Å.

| S-EPMC2983194 | biostudies-literature

{μ-6,6'-Dieth-oxy-2,2'-[ethane-1,2-diylbis(nitrilo-methyl-idyne)]diphenolato}trinitratoholmium(III)nickel(II).

Project description:In the title heteronuclear Ni(II)-Ho(III) complex (systematic name: {μ-6,6'-dieth-oxy-2,2'-[ethane-1,2-diylbis(nitrilo-methyl-idyne)]diphenolato-1κ(4)O(1),O(1'),O(6),O(6'):2κ(4)O(1),N,N',O(1')}trinitrato-1κ(6)O,O'-holmium(III)nickel(II)), [HoNi(C(20)H(22)N(2)O(4))(NO(3))(3)], with the hexa-dentate Schiff base compartmental ligand N,N'-bis-(3-ethoxy-salicyl-idene)ethyl-enediamine (H(2)L), the Ho and Ni atoms are doubly bridged by two phenolate O atoms of the Schiff base ligand. The coordination of Ni is square-planar with the donor centers of two imine N atoms and two phenolate O atoms. The holmium(III) center has a tenfold -coordination environment of O atoms, involving the phenolate O atoms, two eth-oxy O atoms and two O atoms each from the three nitrates. Weak C-H⋯O and O⋯Ni [3.383 (4) Å] inter-actions generate a two-dimensional zigzag sheet.

| S-EPMC2961363 | biostudies-literature

{6,6'-Dimeth-oxy-2,2'-[4-bromo-o-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato}nickel(II) methanol solvate.

Project description:In the title compound, [Ni(C(22)H(17)BrN(2)O(4))]·CH(3)OH, the Ni(II) ion is in a slightly distorted square-planar geometry involving an N(2)O(2) atom set of the tetra-dentate Schiff base ligand. The asymmetric unit contains one nickel complex and one methanol solvent mol-ecule. The dihedral angle between the aromatic ring planes of the central aromatic ring and other two aromatic rings are 10.8?(3) and 6.0?(2)°. The crystal structure is stabilized by inter-molecular C-H?O and C-H?Br and by intra-molecular O-H?O hydrogen bonds.

| S-EPMC2968362 | biostudies-literature

{6,6'-Dibromo-4,4'-dichloro-2,2'-[o-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato}nickel(II).

Project description:In the title complex, [Ni(C(20)H(10)Br(2)Cl(2)N(2)O(2))], the Ni(II) ion is coordinated by two phen-oxy O atoms and two imino N atoms of the tetradentate ligand, forming a slightly distorted square-planar environment. The mol-ecule is essentially planar, with an r.m.s. deviation of 0.088?Å for the mean plane defined by all non-H atoms in the mol-ecule.

| S-EPMC2983845 | biostudies-other

Aqua-chlorido{?-6,6'-dieth-oxy-2,2'-[1,2-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato}copper(II)sodium(I) N,N-dimethyl-formamide solvate.

Project description:In the heterometallic dinuclear title compound, [CuNa(C(24)H(22)N(2)O(4))Cl(H(2)O)]·C(3)H(7)NO, the Cu(II) ion is coord-inated in a square-planar geometry by two N atoms and two O atoms of the 6,6'-dieth-oxy-2,2'-[1,2-phenyl-enebis(nitrilo-methyl--idyne)]diphenolate ligand. The Na(I) ion is hexa-coordinated by four O atoms of the ligand, defining the equatorial plan, and by one O atom of the water mol-ecule and one Cl atom occuping axial positions. The Cu(II) and Na(I) ions are bridged by two phenolate O atoms.

| S-EPMC2980255 | biostudies-literature

Dimeric (2-cyano-phenolato-?O){2,2'-[ethyl-enebis(nitrilo-methyl-idyne)]diphenolato-?O,N,N',O'}manganese(III) monohydrate.

Project description:The molecules of the title compound, [Mn(C(7)H(4)NO)(C(16)H(14)N(2)O(2))]·H(2)O, form dimers in the solid state across a crystallographic inversion center. The bridging Mn(2)O(2) group is built of phen-oxy groups, and is asymmetric, with an Mn-O distances of 1.9002?(13) and 2.6236?(14)?Å. A substantial cavity between the two Mn atoms [Mn?Mn = 3.5082?(4)?Å] is produced by the formation of the dimer. In the crystal, an extended network of O-H?O hydrogen-bonding inter-actions stabil-izes the structure.

| S-EPMC3212148 | biostudies-literature

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