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{μ-6,6'-Dimeth-oxy-2,2'-[propane-1,3-diylbis(nitrilo-methyl-idyne)]diphenolato}dimethanoltrinitratonickel(II)praseodymium(III) methanol disolvate.

ABSTRACT: In the title dinuclear complex, [NiPr(C(19)H(20)N(2)O(4))(NO(3))(3)(CH(3)OH)(2)]·2CH(3)OH, the Ni(II) ion is coordinated by two O atoms and two N atoms of a Schiff base ligand and by two methanol ligands, forming a slightly distorted octa-hedral geometry. The Pr(III) ion is coordinated by six O atoms from three chelating nitrate ligands and four O atoms from a Schiff base ligand, forming a distorted bicapped square-anti-prismatic environment. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds connect complex mol-ecules and methanol solvent mol-ecules to form (10) sheets.

SUBMITTER: Liu F

PROVIDER: S-EPMC2960940 | biostudies-literature |

REPOSITORIES: biostudies-literature

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{?-6,6'-Dimeth-oxy-2,2'-[propane-1,3-diylbis(nitrilo-methyl-idyne)]diphenolato}dimethano-ltrinitratonickel(II)lanthanum(III) methanol disolvate.

Project description:In the title dinuclear complex, [NiLa(C(19)H(20)N(2)O(4))(NO(3))(3)(CH(3)OH)(2)]·2CH(3)OH, the Ni(II) ion is coordinated by two O atoms and two N atoms of a Schiff base ligand and by two O atoms of two methanol ligands, forming a slightly distorted octa-hedral geometry. The La(III) ion is coordinated by six O atoms from three chelating nitrate ligands and four O atoms from the Schiff base ligand, forming a distorted bicapped square-anti-prismatic environment. In the crystal structure, inter-molecular O-H-O hydrogen bonds connect complex mol-ecules and methanol solvent mol-ecules, forming a two-dimensional network.

| S-EPMC2960610 | biostudies-literature

{μ-6,6'-Dimeth-oxy-2,2'-[propane-1,3-diylbis(nitrilo-methyl-idyne)]diphenolato}dimethano-ltrinitratonickel(II)europium(III) methanol disolvate.

Project description:The title dinuclear complex, [EuNi(C(19)H(20)N(2)O(4))(NO(3))(3)(CH(3)OH)(2)]·2CH(3)OH, is isostructural with its Ni(II)/Pr(III) analogue. The Ni(II) ion is coordinated by two O atoms and two N atoms of a Schiff base ligand and by two methanol mol-ecules, forming a slightly distorted octa-hedral geometry. The Eu(III) ion is coordinated by six O atoms from three chelating nitrate ligands and four O atoms from a Schiff base ligand, forming a distorted bicapped square-anti-prismatic environment. Inter-molecular O-H⋯O hydrogen bonds connect complexes and methanol solvent mol-ecules.

| S-EPMC2968012 | biostudies-literature

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

Project description:In the asymmetric unit of the title compound, [Cu(C(19)H(20)N(2)O(4))(H(2)O)], there are two independent mononuclear Cu(II) complexes. The coordination environment of each Cu(II) ion is square-pyramidal completed by two N atoms and two O atoms forming the basal plane, and one O atom of the water mol-ecule occupying the apical position. Neighbouring complexes are connected via O-H?O hydrogen bonds between the water mol-ecule and the meth-oxy group, forming a chain structure along the a axis. The propyl-ene groups of the two independent complexes are disordered over two positions with site occupancies of 0.361?(7):0.639?(7) and 0.224?(8):0.776?(8). The crystal under investigation was a partial inversion twin.

| S-EPMC2971379 | biostudies-literature

{?-6,6'-Dimeth-oxy-2,2'-[propane-1,3-diylbis(nitrilo-methyl-idyne)]diphenolato}dimethano-ltrinitratonickel(II)samarium(III) methanol disolvate.

Project description:In the title complex, [NiSm(C(19)H(20)N(2)O(4))(NO(3))(3)(CH(4)O)(2)]·2CH(3)OH, the Ni(II) ion is coordinated by two O atoms and two N atoms of a deprotonated Schiff base ligand and by two O atoms of two methanol ligands in a slightly distorted octa-hedral geometry. The Sm(III) ion is coordinated by six O atoms from three chelating nitrate ligands and four O atoms from a Schiff base ligand in a distorted bicapped square-anti-prismatic environment. In the crystal structure, inter-molecular O-H?O hydrogen bonds connect complex mol-ecules and methanol solvent mol-ecules, forming (10) sheets.

| S-EPMC2968130 | biostudies-other

{?-6,6'-Dimeth-oxy-2,2'-[propane-1,3-diylbis(nitrilo-methyl-idyne)]diphenolato}trinitratocopper(II)europium(III).

Project description:In the title complex, [CuEu(C(19)H(20)N(2)O(4))(NO(3))(3)], the Cu(II) ion is four-coordinated in a square-planar geometry by two O atoms and two N atoms of the deprotonated Schiff base. The Eu(III) atom is ten-coordinate, chelated by three nitrate groups and linked to the four O atoms of the deprotonated Schiff base.

| S-EPMC2960587 | biostudies-literature

{?-6,6'-Dimeth-oxy-2,2'-[propane-1,3-diylbis(nitrilo-methyl-idyne)]diphenolato}trinitratocopper(II)erbium(III) acetone solvate.

Project description:In the title complex, [CuEr(C(19)H(20)N(2)O(4))(NO(3))(3)]·CH(3)COCH(3), the Cu(II) ion is coordinated in a square-planar environment by two O atoms and two N atoms of a Schiff base ligand. The Er(III) ion is bis-chelated by three nitrate ligands and coordinated by four O atoms of the Schiff base ligand in a slightly distorted bicapped square-anti-prismatic environment.

| S-EPMC2971433 | biostudies-literature

{6,6'-Dimeth-oxy-2,2'-[2,2-dimethyl-propane-1,3-diylbis(nitrilo-methyl-idyne)]diphenolato}nickel(II) 1.78-hydrate.

Project description:In the title complex, [Ni(C(21)H(24)N(2)O(4))]·1.78H(2)O, the Ni(II) ion has a slightly distorted planar geometry, coordinated by the two N and two O atoms of the tetra-dentate Schiff base ligand, with a mean deviation of 0.272 Å from the NiN(2)O(2) plane. The N and O donor atoms are mutually cis. The dihedral angle between two benzene rings of the ligand is 38.86 (8)°. There are also three solvent water mol-ecules, two of which lie across different crystallographic twofold rotation axes; one of these is partially occupied with a refined occupancy factor of 0.570 (7). The water mol-ecules are linked together as tetra-mers in R(2) (2)(8) ring motifs, which also connect two neighbouring mol-ecules of the complex through a network of O-H⋯O hydrogen bonds. The crystal structure is further stabilized by inter-molecular C-H⋯O and C-H⋯π inter-actions, which link neighbouring mol-ecules into extended chains along the b axis. Other inter-esting features of the crystal structure are the short inter-molecular C⋯C [3.204 (3)-3.365 (3) Å] and the C⋯O [3.199 (2)-3.205 (2) Å] contacts which are shorter than the sum of the van der Waals radii of these atoms.

| S-EPMC2977614 | biostudies-literature

{μ-6,6'-Dimeth-oxy-2,2'-[propane-1,3-diylbis(nitrilo-methyl-idyne)]-diphenolato}-trinitratocopper(II)lutetium(III) acetone solvate.

Project description:In the title complex, [CuLu(C(19)H(20)N(2)O(4))(NO(3))(3)]·CH(3)COCH(3), the Cu(II) ion is four-coordinated in a square-planar geometry by two O atoms and two N atoms from the deprotonated Schiff base. The Lu(III) ion is ten-coordinate, chelated by three nitrate groups and linked to the four O atoms of the deprotonated Schiff base. A mol-ecule of acetone is present as a solvate.

| S-EPMC2968995 | biostudies-literature

Acetato(aqua){6,6'-dimeth-oxy-2,2'-[ethane-1,2-diylbis(nitrilo-methanylyl-idene)]diphenolato}cobalt(III) methanol disolvate.

Project description:In the title complex, [Co(C(18)H(18)N(2)O(4))(C(2)H(3)O(2))(H(2)O)]·2CH(3)OH, the Co(III) atom is hexa-coordinated by water and acetate groups in the axial positions and by the tetra-dentate Schiff base occupying equatorial positions. These axial bonds are longer than the equatorial bonds to the tetra-dentate Schiff base. Two mol-ecules form a dimer through strong hydrogen bonds from the coordinated water of one mol-ecule to the meth-oxy O atoms of an adjoining mol-ecule. There is extensive intra- and inter-molecular O-H?O hydrogen bonding between the coordinated water and acetate ligands and the methanol solvent mol-ecules. In addition, there are weak inter-molecular C-H?O inter-actions, which link the mol-ecules into a three-dimensional array.

| S-EPMC3393214 | biostudies-literature

6,6'-Dimeth-oxy-2,2'-[2,2-dimethyl-propane-1,3-diylbis(nitrilo-methyl-idyne)]diphenol.

Project description:The title Schiff base compound, C(21)H(26)N(2)O(4), exhibits two crystallographically independent mol-ecules in the asymmetric unit with similar conformations. The imino groups are coplanar with the benzene rings; the maximum deviations of the N atoms from the planes comprising the benzene rings and the imino groups are -0.037 (4), 0.013 (4), -0.021 (5), and 0.008 (5) Å. The dihedral angles between the benzene rings in the two mol-ecules are 53.64 (17) and 51.93 (17)°. Strong intra-molecular O-H⋯N hydrogen bonds generate S(6) ring motifs. The N atoms are also in close proximity to the H atoms of the dimethyl-propane groups, with H⋯N distances between 2.54 and 2.75 Å. The crystal structure is further stabilized by weak inter-molecular C-H⋯O hydrogen bonds, weak inter-molecular C-H⋯π inter-actions and π-π contacts involving the imine C atom and two C atoms from the adjacent benzene rings.

| S-EPMC2967940 | biostudies-literature

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