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Tris(3-chloro-pentane-2,4-dionato-?(2)O,O')aluminium.

ABSTRACT: In the title compound, [Al(C(5)H(6)ClO(2))(3)], the Al(III) cation is situated on a twofold rotation axis and is coordinated by six O atoms from three 3-chloro-pentane-2,4-dionate ligands in an octa-hedral environment. Al-O bond lengths are in the range 1.8741?(14)-1.8772?(14)?Å. In the crystal, mol-ecules are linked via C-H?Cl contacts.

SUBMITTER: Perdih F

PROVIDER: S-EPMC3379131 | biostudies-literature | 2012 Jun

REPOSITORIES: biostudies-literature

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Tris(3-chloro-pentane-2,4-dionato-κ(2)O,O')aluminium.

Perdih Franc F

Acta crystallographica. Section E, Structure reports online 20120526 Pt 6

In the title compound, [Al(C(5)H(6)ClO(2))(3)], the Al(III) cation is situated on a twofold rotation axis and is coordinated by six O atoms from three 3-chloro-pentane-2,4-dionate ligands in an octa-hedral environment. Al-O bond lengths are in the range 1.8741 (14)-1.8772 (14) Å. In the crystal, mol-ecules are linked via C-H⋯Cl contacts. ...[more]

PMID: 22719352

Similar Datasets

Tris(3-chloro-pentane-2,4-dionato-?(2)O,O')iron(III).

Project description:In the title compound, [Fe(C(5)H(6)ClO(2))(3)], the Fe(III) cation is situated on a twofold rotation axis and is coordinated by six O atoms from three 3-chloro-pentane-2,4-dionate ligands in a slightly distorted octa-hedral environment. Fe-O bond lengths are in the range 1.9818?(18)-1.9957?(18)?Å. The trans O-Fe-O angles are 169.06?(13) and 171.54?(8)°, whereas the corresponding cis angles are in the range 84.81?(10)-100.68?(12)°. In the crystal, mol-ecules are linked via C-H?Cl inter-actions.

| S-EPMC3379132 | biostudies-literature

Tris(3-nitro-pentane-2,4-dionato-?O,O')-cobalt(III).

Project description:The structure of the title compound, [Co(C(5)H(6)NO(4))(3)], consists of a Co(III) ion octahedrally coordinated by three bidentate 3-nitro-pentane-2,4-dionate ligands. The complex was prepared via the nitration of tris-(2,4-penta-nedionato-?(2)O,O')cobalt(III) with a solution of copper(II) nitrate in glacial acetic acid. The central C atom and the nitro group of one 3-nitro-pentane-2,4-dionate ligand are disordered over two positions with an occupancy ratio of 0.848?(4):0.152?(4). A second nitro group is also disordered over two orientations with an occupancy ratio of 0.892?(7):0.108?(7). Two of the ligand methyl groups form C-H?O inter-actions with two different nitro groups to form chains running along the c axis. Additional C-H?O inter-actions are found between ligand methyl groups and the cobalt-bound O atoms, also resulting in the formation of chains along the c axis.

| S-EPMC3297263 | biostudies-literature

Tris(1,1,1,5,5,5-hexa-fluoro-2,4-pentane-dionato-?O,O')molybdenum(III).

Project description:In the title compound, [Mo(C(5)HF(6)O(2))(3)], the unit cell is built up by three independent Mo(III) atoms located on two different threefold axes. The three independent mol-ecules are roughly identical and each Mo(III) atom is surrounded by three chelating hexa-fluoro-acetonate ligands in a three-bladed propeller-like arrangement, as observed in related compounds with acetyl-acetonate-type ligands. The structure of the title compound is very similar to the trigonal form of the Cr(III) analogue. However, the latter crystallizes in a higher-symmetry space group, Pc1. Both crystals are twinned by merohedry with the same twin law (0/010/00) in reciprocal space, but the symmetry of the Laue group in which it operates is different, to m for the title complex, and m to 6/mmm for the Cr(III) complex.

| S-EPMC2983654 | 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.

| S-EPMC2971008 | biostudies-other

Aqua-dioxidobis(pentane-2,4-dionato)uranium(VI) pyrazine solvate.

Project description:The asymmetric unit of the title compound, [U(C(5)H(7)O(2))(2)O(2)(H(2)O)]·C(4)H(4)N(2), contains one [UO(2)(acac)(2)(H(2)O)] (where acac is acetyl-acetonate) and two half-mol-ecules of pyrazine. It exhibits a UO(7) penta-gonal-bipyramidal coordination geometry about the U(VI) atom, involving two bidentate acetyl-acetonate ions and one water mol-ecule. The N atoms of the pyrazine mol-ecules are not coordinated to the U(VI) atom, and are connected with the aqua O atom by hydrogen bonds. This results in a zigzag chain arrangement along the [10] direction.

| S-EPMC2961248 | biostudies-literature

Pyridinium tetra-kis-(1,1,1-trifluoro-pentane-2,4-dionato)dysprosate.

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).

| S-EPMC3052034 | biostudies-literature

Chlorido(pentane-2,4-dionato-?O,O')(1,10-phenanthroline-?N,N')copper(II).

Project description:The Cu(II) atom in the title compound, [Cu(C(5)H(7)O(2))Cl(C(12)H(8)N(2))], shows a distorted square-planar coordination; the chelating N and O atoms occupy the basal sites and the Cl atom the apical site. The square-pyramidal character along the Berry D(3h)-C(4v) pseudorotation pathway is 92%.

| S-EPMC2977398 | biostudies-literature

Bis(pentane-2,4-dionato-?O,O')(1,10-phenanthroline-?N,N')cobalt(II).

Project description:In the title compound, [Co(C(5)H(7)O(2))(2)(C(12)H(8)N(2))], the Co(II) cation lies on a twofold rotation axis and is coordinated by four O atoms from two acetyl-acetonate (acac) ligands and two N atoms from a 1,10-phenanthroline (phen) ligand in a slightly distorted octa-hedral environment, with Co-O bond lengths of 2.0565?(11) and 2.0641?(11)?Å and Co-N bond lengths of 2.1630?(12)?Å. In the crystal, there are no significant hydrogen-bonding or ?-? inter-actions.

| S-EPMC3238622 | biostudies-literature

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).

| S-EPMC3006768 | biostudies-literature

Dioxidobis(pentane-2,4-dionato-?O,O')(pyridine-4-carbaldehyde oxime-?N)uranium(VI).

Project description:The title compound, [U(C(5)H(7)O(2))(2)O(2)(C(6)H(6)N(2)O)], exhibits a penta-gonal-bipyramidal coordination geometry around the U(VI) atom, involving two bidentate acetyl-acetonate ions and the pyridine ring of the pyridine-4-carbaldehyde oxime ligand. Hydrogen bonds exist between the OH group of the pyridine-4-carbaldehyde oxime ligand and the two O atoms of the acetyl-acetonate ions.

| S-EPMC2961597 | biostudies-literature

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