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Trans-Bis[acetone (2-hydroxy-benzo-yl)hydrazonato-?N',O]bis-(pyridine-?N)zinc(II).

ABSTRACT: In the title compound, [Zn(C(10)H(11)N(2)O(2))(2)(C(5)H(5)N)(2)], the Zn(II) atom lies on an inversion centre, and is coordinated in a distorted octa-hedral geometry by two carbonyl O atoms and two imino N atoms from two anionic bidentate acetone (2-hydroxy-benzo-yl)hydrazone ligands and by two N atoms from two pyridine mol-ecules. The hydroxyl group acts as a donor, forming an intra-molecular O-H?N hydrogen bond.

SUBMITTER: Yang MX

PROVIDER: S-EPMC2968143 | BioStudies | 2009-01-01

REPOSITORIES: biostudies

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Bis(imidazole-?N)bis-(nitrato-?O)zinc(II).

Project description:The title complex, [Zn(NO(3))(2)(C(3)H(4)N(2))(2)], contains a Zn(II) centre with a slightly distorted tetra-hedral coordination environment, involving two N atoms from imidazole ligands and two O atoms from nitrate anions. The imino NH groups participate in inter-molecular N-H?O hydrogen bonds.

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Bis[2-acetyl-3-methyl-pyrazine (2-hydroxy-benzo-yl)hydrazonato]zinc(II) monohydrate.

Project description:In the title compound, [Zn(C(14)H(13)N(4)O(2))(2)]·H(2)O, the Zn(II) centre is six-coordinated by four N and two O donors of two 2-acetyl-3-methyl-pyrazine (2-hydroxy-benzo-yl)hydrazonate ligands, and forms a distorted octa-hedral structure.

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Project description:The title compound, [Zn(C(15)H(14)NO(2))(2)], contains a four-coordinate Zn atom located on a twofold rotation axis that exhibits a distorted tetra-hedral geometry by two phenolate O atoms and two azomethine N atoms of the Schiff base 2-methoxy-6-[(4-methyl-phen-yl)imino-meth-yl]phenolate ligands.

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Project description:The complex mol-ecule of the title compound, [Ni(C(10)H(11)N(2)O)(2)(C(5)H(5)N)(2)], has a crystallographically imposed centre of symmetry. The Ni(II) atom is coordinated in a distorted octa-hedral geometry by the O and N atoms of two trans arranged anionic bidentate hydrazone ligands forming the equatorial plane and by the N atoms of two pyridine mol-ecules at the axial positions. In the crystal, inter-molecular C-H?N hydrogen bonds link the mol-ecules into columns parallel to the b axis.

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Project description:The title compound, [Zn(C(10)H(11)N(4)O(2))(2)]·2H(2)O, was prepared by the reaction between Zn(CH(3)COO)(2)·2H(2)O and 2-hydroxy-imino-N'-[1-(2-pyrid-yl)ethyl-idene]propano-hydrazide (Hpop). The central Zn(II) atom has a distorted tetra-gonal-bipyramidal coordination geometry formed by two amide O atoms and four N atoms of two azomethine and two pyridine groups. In the crystal, complex mol-ecules form layers parallel to the crystallographic b direction. The layers are connected by O-H?N and O-H?O hydrogen bonds involving the solvent water mol-ecules.

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Crystal structure of bis-(tetra-phenyl-phospho-nium) bis-(cyanido-?C)(29H,31H-tetra-benzo[b,g,l,q]porphinato-?(4) N (29),N (30),N (31),N (32))ferrate(II) acetone disolvate.

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1000-01-01 | S-EPMC4384569 | BioStudies

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