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Acetato-aqua-{4,4',6,6'-tetra-tert-butyl-2,2'-[(2-pyridyl-meth-yl)imino-dimethyl-ene]diphenolato}manganese(III) ethanol solvate.

ABSTRACT: In the title complex, [Mn(C(36)H(50)N(2)O(2))(CH(3)COO)(H(2)O)]·CH(3)CH(2)OH, the Mn(III) atom is in an octa-hedral environment and is coordinated by the tetra-dentate amine-bis-(phenolate) ligand, a monodentate acetate anion and a water mol-ecule. An ethanol solvent mol-ecule is also found in the asymmetric unit. The structure displays O-H⋯O and C-H⋯O hydrogen bonding.

SUBMITTER: Chard E

PROVIDER: S-EPMC3006980 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Aqua-{4,4',6,6'-tetra-fluoro-2,2'-[(piperazine-1,4-di-yl)dimethyl-ene]diphenolato}copper(II).

Project description:In the title compound, [Cu(C(18)H(16)F(4)N(2)O(2))(H(2)O)], the Cu(II) atom shows a distorted square-pyramidal coordination geometry with the N,N',O,O'-tetra-dentate piperazine-diphenolate ligand forming the basal plane. The apical site is occupied by the O atom of a coordinated water mol-ecule. Neighbouring complexes are associated through inter-molecular O-H?O and O-H?F hydrogen bonds between the water mol-ecule and a phenolate O atom or an F atom from an adjacent ligand, respectively, forming a centrosymmetric dimer. Dimers are linked by additional inter-molecular C-H?O and C-H?F hydrogen bonds, giving infinite chains propagating along the a axis.

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Project description:The title compound, [Al(2)(C(32)H(48)NO(3))(2)], exists as a dimer with bridging ethoxide groups. It was isolated from a reaction mixture of the parent ligand and trimethyl-aluminium in tetra-hydro-furan. The geometry around the Al(III) atom is a slightly distorted trigonal-bipyramid, typical of atrane derivatives.

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Project description:In the title compound, [Mo(C(34)H(54)N(2)O(2))O(2)]·CHCl(3), the molybdenum(VI) ion exhibits a cis-dioxide distorted octa-hedral geometry. Two anionic phenolate O-atom donors and two neutral N-atom donors of the ligand are trans and cis, respectively. The Mo=O bond lengths and the O=Mo=O bond angle are typical for six-coordinated dioxomolyb-denum(VI) complexes. The Mo-N bond lengths are longer than 2.30 Å, as expected for a trans O=Mo-N structure.

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| S-EPMC2972126 | biostudies-literature

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| S-EPMC2960780 | biostudies-literature

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Project description:In the crystal of the title compound, [Cd2Na2(C2H3O2)2(C21H24N2O4)2]·0.67C2H6O, the doubly deprotonated Schiff base ligand N,N',O,O'-chelates to the Cd(II) cation, which is also O,O'-chelated by the acetate ion. Two Cd-Schiff base units are connected to two Na(+) atoms to form the tetra-nuclear complex, in which the Cd(2+) and Na(+) cations show distorted octa-hedral coordinations. The asymmetric unit consists of half a tetra-nuclear mol-ecule (lying on an inversion center) and a full tetra-nuclear mol-ecule (lying on a general position) along with a lattice ethanol mol-ecule, which links to the coordinating acetate ion via an O-H?O hydrogen bond. In the crystal, the propyl and ethyl groups of the complex mol-ecule are disordered over two positions in a 1:1 ratio; the ethyl group of the lattice ethanol mol-ecule is also equally disordered over two positions.

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