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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).

ABSTRACT: 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).

SUBMITTER: Stanley JM

PROVIDER: S-EPMC3006768 | biostudies-literature | 2010 Jun

REPOSITORIES: biostudies-literature

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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).

Stanley Julie M JM Holliday Bradley J BJ

Acta crystallographica. Section E, Structure reports online 20100616 Pt 7

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 β-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). ...[more]

PMID: 21587721

Similar Datasets

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

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(1-Ferrocenyl-4,4,4-trifluoro-butane-1,3-dionato-?O,O)bis-(triphenyl-phosphane)copper(I).

Project description:In the title mononuclear coordination complex, [CuFe(C(5)H(5))(C(9)H(5)F(3)O(2))(C(18)H(15)P)(2)], the Cu(I) ion is coordinated by the chelating ?-diketonate 1-ferrocenyl-4,4,4-trifluoro-butane-1,3-dione ligand through two O atoms and the two datively bonded triphenyl-phosphane ligands resulting in a distorted tetra-hedral coordination sphere. The Cu(I) ion, together with its chelating butane-1,3-dione group, is mutually coplanar [greatest displacement of an atom from this plane = 0.037?(1)?Å], and the Cu(I) ion lies slightly above [0.013?(1)?Å] the plane. The overall geometry, including the bond distances and angles within the complex, corresponds to those of other reported copper(I) ?-diketon-ates featuring organic groups at the ?-diketonate ligand.

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A 2:1 cocrystal of the cis and trans isomers of bis-[1,1,1,5,5,5-hexa-fluoro-pentane-2,4-dionato(1-)-?O,O']bis-(4-phenyl-pyridine N-oxide-?O)copper(II).

Project description:The title compound is a co-crystal of the cis and trans isomers, namely cis-bis-[1,1,1,5,5,5-hexa-fluoro-pentane-2,4-dionato(1-)-?(2)O,O']bis-(4-phenyl-pyridine N-oxide-?O)copper(II)-trans-bis-[1,1,1,5,5,5-hexa-fluoro-pentane-2,4-dionato(1-)-?(2)O,O']bis(4-phenyl-pyridine N-oxide-?O)copper(II) (2/1), [Cu(C(5)HF(6)O(2))(2)(C(11)H(9)NO)(2)]. In both isomers, the coordination geometry of the Cu(2+) atom is octa-hedral, exhibiting typical Jahn-Teller distortion. The metal atom of the trans isomer is located on an inversion centre. In the cis isomer, the phenyl ring in one 4-phenyl-pyridine N-oxide ligand is disordered over two orientations in a 1:1 ratio. In the crystal, weak inter-molecular C-H?F and C-H?O contacts establish connections between the cis and trans isomers.

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Bis(pyridine-?N)bis-[4,4,4-trifluoro-1-(4-fluoro-phen-yl)butane-1,3-dionato-?O,O']cobalt(II).

Project description:In the structure of the title compound, [Co(C(10)H(5)F(4)O(2))(2)(C(5)H(5)N)(2)], cobalt(II) forms a complex with two 4,4,4-trifluoro-1-(4-fluoro-phen-yl)butane-1,3-dionate anions and two pyridine mol-ecules in an octa-hedral coordination environment, where the two dionate ligands are in equatorial positions and the two pyridine mol-ecules in axial positions. The complex is located on a crystallographic inversion centre.

| S-EPMC2960175 | biostudies-other

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