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Trans-Dimethano-lbis(1,1,1-trifluoro-5,5-dimethyl-hexane-2,4-dionato)zinc(II).

ABSTRACT: The title compound, [Zn(C(8)H(10)F(3)O(2))(2)(CH(4)O)(2)], is a dimethanol coordinated zinc complex with the acetyl acetonate derivative 1,1,1-trifluoro-5,5-dimethyl-hexane-2,4-dionate. The bis--?-diketonate complex, which is isostructural with its Co analogue, is located on a crystallographic inversion center. The complex is octa-hedral with basically no distortion, and the methanol mol-ecules are in trans positions with respect to one another. The planes of the ?-diketonate and the ZnO(4) unit are tilted by 18.64?(10)° against each other. O-H?O hydrogen bonds between the methanol hydroxyl groups and neighboring diketonate O atoms create chains running along [100].

SUBMITTER: Hunter GO

PROVIDER: S-EPMC2967872 | biostudies-other | 2008

REPOSITORIES: biostudies-other

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trans-Dimethano-lbis(1,1,1-trifluoro-5,5-dimethyl-hexane-2,4-dionato)zinc(II).

Hunter Gerald O GO Zeller Matthias M Leskiw Brian D BD

Acta crystallographica. Section E, Structure reports online 20081210 Pt 1

The title compound, [Zn(C(8)H(10)F(3)O(2))(2)(CH(4)O)(2)], is a dimethanol coordinated zinc complex with the acetyl acetonate derivative 1,1,1-trifluoro-5,5-dimethyl-hexane-2,4-dionate. The bis--β-diketonate complex, which is isostructural with its Co analogue, is located on a crystallographic inversion center. The complex is octa-hedral with basically no distortion, and the methanol mol-ecules are in trans positions with respect to one another. The planes of the β-diketonate and the ZnO(4) unit ...[more]

PMID: 21581498

Similar Datasets

cis-[Aqua/methanol(0.45/1.55)](1,1,1-trifluoro-5,5-dimethyl-hexane-2,4-dionato)nickel(II)-cis-[aqua/methanol(1.49/0.51)](1,1,1-trifluoro-5,5-dimethyl-hexane-2,4-dionato)nickel(II) (1/1).

Project description:The title compound, [Ni(C(8)H(10)F(3)O(2))(2)(CH(4)O)(1.55)(H(2)O)(0.45)][Ni(C(8)H(10)F(3)O(2))(2)(CH(4)O)(0.51)(H(2)O)(1.49)], is an octa-hedral nickel(II) complex with two acetyl-acetonate-like 1,1,1-trifluoro-5,5-dimethyl-hexane-2,4-dionate ligands. The two chelating ligands are in cis positions with respect to each other and the remaining two adjacent coordination sites are taken up by water and methanol donor mol-ecules. In both crystallographically independent mol-ecules, each donor site shows disorder of methanol and water with occupancies of 0.51?(1) and 0.55?(1) in favor of methanol. The remaining two donor sites are not disordered and are water for the first and methanol for the second independent mol-ecule. Rotational disorder is observed for one of the tert-butyl groups, the occupancy rate for the major component here is 0.687?(9). O-H?O hydrogen bonds connect the two independent mol-ecules with each other and, across a crystallographic inversion center, they are combined with two neighboring mol-ecules to form a centrosymmetric hydrogen-bonded tetra-mer.

| S-EPMC2968228 | biostudies-literature

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Project description:In the anion of the title compound, (C(5)H(6)N)[Dy(C(5)H(4)F(3)O(2))(4)], the central metal ion, Dy(3+), is coordinated by four bidentate 1,1,1-trifluoro-pentane-2,4-dionate (TAA) ligands, forming an approximate square-anti-prismatic configuration. The pyridin-ium cation is connected to the complex ion by an N-H?O hydrogen bond and electrostatic inter-actions in the crystal. There are two kinds of disorder in the structure, one involving rotational disorder of a CF(3) group [occupancy ratio 0.560?(15):0.440?(15)] and the other involving an exchange between a CF(3) group and CH(3) group within a given bidentate ligand (occupancy ratio 0.64:0.36).

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Dichlorido(5,5'-dimethyl-2,2'-bipyridine-?N,N')zinc(II).

Project description:The asymmetric unit of the title compound, [ZnCl(2)(C(12)H(12)N(2))], contains two independent mol-ecules. The Zn(II) atoms are four-coordinated in distorted tetra-hedral configurations by two N atoms from 5,5'-dimethyl-2,2'-bipyridine and two terminal Cl atoms. In the crystal structure, inter-molecular C-H?Cl hydrogen bonds link the mol-ecules. There are C-H?? contacts between the methyl groups and the pyridine and five-membered rings containing Zn(II) atoms; ?-? contacts also exist between the pyridine rings [centroid-centroid distances = 3.665?(5) and 3.674?(5)?Å].

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trans-Dichloridobis(2,4-dimethyl-aniline-?N)palladium(II).

Project description:In the title compound, [PdCl(2)(C(8)H(11)N)(2)], the Pd(II) atom is located on a crystallographic inversion center and adopts a square-planar coordination geometry, with pairs of equivalent ligands in trans positions. In the crystal, adjacent mol-ecules are linked with each other through weak N-H?Cl hydrogen bonds and ?-? stacking inter-actions between the phenyl rings [shortest centroid-centroid distance = 3.720?(2)?Å], leading to the formation of layers parallel to the a-axis direction.

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trans-Diaqua-bis-(cyclo-hexane-1,2-diamine)-zinc(II) dichloride.

Project description:In the title compound, [Zn(C(6)H(14)N(2))(2)(H(2)O)(2)]Cl(2), the Zn(II) atom resides on a special position with site symmetry 2/m and is octa-hedrally coordinated by four N atoms from two trans 1,2-diamino-cyclo-hexane ligands and two water O atoms. In the crystal, N-H⋯Cl and O-H⋯Cl hydrogen bonds link the mol-ecules into a two-dimensional network parallel to the bc plane.

| S-EPMC3099959 | biostudies-literature

Tetra-aqua-(5,5'-dimethyl-2,2'-bipyridine-?N,N')zinc(II) sulfate.

Project description:The asymmetric unit of the title compound, [Zn(C(12)H(12)N(2))(H(2)O)(4)]SO(4), consists of a Zn(II) complex cation, a sulfate anion and four mol-ecules of water coordinated to the Zn(II) atom. The Zn(II) complex cation, with approximate twofold symmetry, displays a slightly distorted octa-hedral geometry around the Zn(II) atom, which is coordinated by two N atoms from a 5,5'-dimethyl-2,2'-bipyridine ligand and by the O atoms of four water mol-ecules. In the crystal, O-H?O hydrogen bonds help to establish the packing.

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Potassium bis-(1,1,1,5,5,5-hexa-fluoro-pentane-2,4-dionato)bis-(4,4,4-trifluoro-1-phenyl-butane-1,3-dionato)europate(III).

Project description:In the crystal structure of the title complex, K[Eu(C(5)HF(6)O(2))(2)(C(10)H(6)F(3)O(2))(2)], the Eu(III) ion is in a slightly distorted square-anti-prismatic coordination geometry which is defined by eight O atoms of the anionic ?-diketone ligands. The two K(+) ions lie on crystallographic inversion centers. The Eu-O bond distances are in the range 2.294?(5)-2.413?(5)?Å. The crystal used was a non-merohedral twin, the ratio of the twin domains being 0.5236?(5):0.4764?(5).

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trans-Bis(1,1,1,5,5,5-hexa-fluoro-pentane-2,4-dionato-κO,O')bis-(4-methyl-1,2,3-selenadiazole-κN)copper(II).

Project description:In the title compound, [Cu(C(5)HF(6)O(2))(2)(C(3)H(4)N(2)Se)(2)], the Cu(II) atom (site symmetry ) is coordinated by two O,O'-bidentate 1,1,1,5,5,5-hexa-fluoro-2,4-penta-nedione (hp) ligands and two 4-methyl-1,2,3-selenadiazole mol-ecules, resulting in a slightly distorted trans-CuN(2)O(4) octa-hedral geometry in which the cis angles deviate by less than 3° from 90°. The selenadiazole plane is canted at 73.13 (17)° to the square plane defined by the penta-nedionate O atoms. The F atoms of one of the hp ligands are disordered over two sets of sites in a 0.66 (3):0.34 (3) ratio. There are no significant inter-molecular inter-actions in the crystal.

| S-EPMC2979973 | biostudies-literature

Bis(2,4-dichloro-phen-oxy-acetato-?O,O)(5,5'-dimethyl-2,2'-bipyridine-?N,N')cobalt(II).

Project description:In the title compound, [Co(C(8)H(5)Cl(2)O(3))(C(12)H(12)N(2))], the Co(II) atom, lying on a twofold rotation axis, is coordinated by four O atoms from two chelating 2,4-dichloro-phen-oxy-acetate ligands and two N atoms from a 5,5'-dimethyl-2,2'-bipyridine ligand, displaying a distorted octa-hedral geometry. A three-dimensional supra-molecular structure is formed through inter-molecular C-H?O hydrogen bonds and ?-? stacking inter-actions between the pyridine and benzene rings [centroid-centroid distance = 3.779?(2)?Å].

| S-EPMC3099758 | biostudies-literature

Bis[?-pentane-2,4-dionato(1-)]bis-{aqua-[1,1,1,5,5,5-hexa-fluoro-pentane-2,4-dionato(1-)]cobalt(II)}.

Project description:The title complex, [Co(2)(C(5)HF(6)O(2))(2)(C(5)H(7)O(2))(2)(H(2)O)(2)], is centrosymmetric with a crystallographic inversion center in the middle of the mol-ecule. The octa-hedrally coordinated Co(II) atoms are bridged by two chelating acetyl-acetonate (acac) ligands and two more electron-poor 1,1,1,5,5,5-hexa-fluoro-pentane-2,4-dionato (hfac) ligands are bonded terminally in a solely chelating manner. The coordinated water mol-ecules form inter-molecular O-H?O hydrogen bonds with electron-rich acac O atoms of neighboring mol-ecules, leading to strings of mol-ecules along the a axis.

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