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

ABSTRACT: 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.

SUBMITTER: Xing JC

PROVIDER: S-EPMC2971433 | biostudies-literature | 2009 Oct

REPOSITORIES: biostudies-literature

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

Xing Jing-Chun JC Bo Yu-Long YL Zhang Bing B Li Wen-Zhi WZ

Acta crystallographica. Section E, Structure reports online 20091003 Pt 11

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. ...[more]

PMID: 21578065

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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.

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

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Project description:In the title heterodinuclear salen-type complex, [CuDy(C(19)H(20)N(2)O(4))(NO(3))(3)]·CH(3)OH, the copper(II) ion is tetra-coordinated by two imino N atoms [Cu-N = 1.961 (4) and 1.968 (4) Å] and two phenolate O atoms [Cu-O = 1.931 (3) and 1.938 (3) Å] in a planar geometry. The ten-coordin-ate Dy(III) ion is ligated by six O atoms of three nitrate groups and four O atoms from the ligand [Dy-O = 2.368 (3)-2.601 (3) Å]. In the crystal, complex mol-ecules and solvent mol-ecules are linked by inter-molecular O-H⋯O hydrogen bonds.

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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.

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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.

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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.

Project description: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.

| S-EPMC2960940 | 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.

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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.

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