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Bis(2-methyl-quinolin-8-olato-?N,O)-lead(II).

ABSTRACT: The Pb(II) atom in the title compound, [Pb(C(10)H(8)NO)(2)], is chelated by two oxine (2-methyl-quinolin-8-olate) anions in a ?-trigonal-bipyramidal geometry; the N atoms occupy the axial sites. The mol-ecule lies about a twofold rotation axis.

SUBMITTER: Mohammadnezhad G

PROVIDER: S-EPMC2979204 | biostudies-literature | 2010 Apr

REPOSITORIES: biostudies-literature

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Bis(2-methyl-quinolin-8-olato-κN,O)-lead(II).

Mohammadnezhad Gholamhossein G Ghanbarpour Ali Reza AR Amini Mostafa M MM Ng Seik Weng SW

Acta crystallographica. Section E, Structure reports online 20100417 Pt 5

The Pb(II) atom in the title compound, [Pb(C(10)H(8)NO)(2)], is chelated by two oxine (2-methyl-quinolin-8-olate) anions in a Ψ-trigonal-bipyramidal geometry; the N atoms occupy the axial sites. The mol-ecule lies about a twofold rotation axis. ...[more]

PMID: 21579023

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Bis(?-2-methyl-quinolin-8-olato)-?N,O:O;?O:N,O-bis-[(methanol-?O)(nitrato-?O,O')lead(II)].

Project description:The mol-ecule of the title compound, [Pb(2)(C(10)H(8)NO)(2)(NO(3))(2)(CH(3)OH)(2)], lies about a centre of inversion. The Pb atom is chelated by nitrate and substituted quinolin-8-olate anions. The O atom of the quinolin-8-olate also bridges, to confer a six-coordinate status on the metal centre. When a longer Pb?O inter-action is considered, the geometry approximates a ?-cube in which one of the sites is occupied by a stereochemically active lone pair.

| S-EPMC2968636 | biostudies-literature

Bis(?-2-methyl-quinolin-8-olato)-?N,O:O;?O:N,O-bis-[(acetato-?O,O')lead(II)].

Project description:Both independent Pb(II) atoms in the title compound, [Pb(2)(C(10)H(8)NO)(2)(C(2)H(3)O(2))(2)], are chelated by acetate and substituted quinolin-8-olate anions; the O atoms of the quinolin-8-olates also bridge to confer a five-coordinate status to each metal center. The geometry approximates a distorted ?-fac octa-hedron in which one of the sites is occupied by a stereochemically active lone pair.

| S-EPMC2968542 | biostudies-other

Bis(?-5-chloro-quinolin-8-olato)-?N,O:O;?O:N,O-bis-[(acetato-?O,O')lead(II)].

Project description:The mol-ecule of the title compound, [Pb(2)(C(9)H(5)ClNO)(2)(C(2)H(3)O(2))(2)], lies about a center of inversion. The Pb(II) atom is chelated by acetate and substituted quinolin-8-olate anions; the O atoms of the quinolin-8-olates also bridge to confer a five-coordinate status to each metal center. The geometry approximates a distorted ?-fac octa-hedron in which one of the sites is occupied by a stereochemically active lone pair.

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Bis(?-2-methyl-quinolin-1-ium-8-olato-?O:O')bis-[(2-methyl-quinolin-1-ium-8-olato-?O)tris-(nitrato-?O,O')lanthanum(III)].

Project description:The two independent N-heterocycles in the centrosymmetric title compound, [La(2)(C(10)H(9)NO)(4)(NO(3))(6)], exist in the zwitterionic form. One of these binds to one metal center, whereas the other bridges two metal centers. The La atom is chelated by three nitrate groups and is surrounded by nine O atoms in a coordination environment based on a distorted monocapped square-anti-prism. The dinuclear structure is further stabilized by intra-molecular N-H?O(nitrate) hydrogen bonds.

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Bis(isopropoxido-κO)bis-(2-methyl-quinolin-8-olato-κN,O)titanium(IV).

Project description:The two 2-methyl-quinolin-8-olate anions in the title complex, [Ti(C(10)H(8)NO)(2)(C(3)H(7)O)(2)], chelate the Ti(IV) atom, which shows an all-cis distorted octa-hedral N(2)O(4) coordination geometry.

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Bis(μ-2-methyl-quinolin-8-olato)-κN,O:O;κO:N,O-bis-[(acetato-κO)(methanol-κO)zinc(II)].

Project description:The reaction of zinc acetate and 2-methyl-8-hydroxy-quinoline in methanol yielded the centrosymmetric dinuclear title compound, [Zn(2)(C(10)H(8)NO)(2)(CH(3)CO(2))(2)(CH(3)OH)(2)], which has the Zn atom within a distorted NO(4) trigonal-bipyramidal coordination geometry. Methanol-acetate O-H⋯O hydrogen bonds link the dinculear units into a linear supra-molecular chain extending parallel to [100].

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Dimethyl-bis-(2-methyl-quinolin-8-olato-?(2) N,O)tin(IV).

Project description:The Sn(IV) cation in the title compound, [Sn(CH3)2(C10H8NO)2], is N,O-chelated by two 2-methyl-quinolin-8-olate anions and coordinated by two methyl groups in a skew-trapezoidal bipyramidal geometry. In the mol-ecule, the two quinoline ring systems are twisted to one another at 10.91?(18)°. The dimethyl-tin skeleton [C-Sn-C = 149.6?(2)°] is bent over the longer edge of the trapezoid that is defined by the four chelating atoms. Weak inter-molecular C-H?O hydrogen bonding occurs in the crystal.

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Bis(acetato-?O)bis-(?(3)-quinolin-8-olato-?N,O:O:O)tetra-kis(?(2)-quinolin-8-olato-?N,O:O)tetra-zinc(II) dihydrate.

Project description:In the centrosymmetric title compound, [Zn(4)(C(9)H(6)NO)(6)(C(2)H(3)O(2))(2)]·2H(2)O, the Zn(II) atom that is bonded to one O atom of the acetate group is chelated by a quinolin-8-olate anion. This Zn atom is also bonded to the oxide O atoms of two other quinolin-8-olate anions, which themselves engage in chelation to the other Zn(II) atoms. The Zn(II) atom is five-coordinate in a square-pyramidal coordination geometry. The second Zn(II) atom is six-coordinate as it is linked to two oxide O atoms of the anions that chelate to the acetate-bound metal atom, and is chelated by two quinolin-8-olate ligands. The uncoordinated water mol-ecule is disordered over two positions in a 4:1 ratio. O-H?O hydrogen bonds between the water molecules and the free O atoms of the carboxylate groups consolidate the crystal packing.

| S-EPMC2969311 | biostudies-literature

Crystal structure of (pyridine-?N)bis(quinolin-2-olato-?(2) N,O)copper(II) monohydrate.

Project description:The title complex, [Cu(C9H6NO)2(C5H4N)]·H2O, adopts a slightly distorted square-pyramidal geometry in which the axial pyridine ligand exhibits a long Cu-N bond of 2.305?(3)?Å. The pyridine ligand forms dihedral angles of 79.5?(5) and 88.0?(1)° with the planes of the two quinolin-2-olate ligands, while the dihedral angle between the quinoline groups of 9.0?(3)° indicates near planarity. The water mol-ecule connects adjacent copper complexes through O-H?O hydrogen bonds to phenolate O atoms, forming a network inter-connecting all the complexes in the crystal lattice.

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8-Hy-droxy-2-methyl-quinolinium dibromido(2-methyl-quinolin-8-olato-?N,O)zincate(II) methanol monosolvate.

Project description:The anion of the title salt, (C(10)H(10)NO)[ZnBr(2)(C(10)H(8)NO)]·CH(3)OH, has its metal atom N,O-chelated by the deprotonated 2-methyl-8-hy-droxy-quinoline ligand. The hy-droxy unit of the cation is a hydrogen-bond donor to the alkoxide O atom of the tetra-hedrally coordinated anion, whereas the ammonium cation is a hydrogen-bond donor to the methano-lic O atom. In the crystal, adjacent ion pairs and solvent mol-ecules are linked by a methanol-halogen O-H?Br hydrogen bond, generating a chain running along the a axis.

| S-EPMC2983420 | biostudies-literature

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