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Crystal structure of [2,6-di-fluoro-3-(pyridin-2-yl-?N)pyridin-4-yl-?C (4)](pentane-2,4-dionato-?(2) O,O')platinum(II).

ABSTRACT: The asymmetric unit of the title compound, [Pt(C10H5F2N2)(C5H7O2)], comprises one Pt(II) atom, one 2,6-di-fluoro-2,3-bi-pyridine ligand and one acetyl-acetonate anion. The Pt(II) atom adopts a distorted square-planar coordination geometry, being C,N-chelated by the 2,6-di-fluoro-3-(pyridin-2-yl)pyridin-4-yl ligand and O,O'-chelated by the pentane-2,4-dionate ligand. The two pyridine rings of the bi-pyridine ligand are approximately coplanar, making a dihedral angle of 1.2?(2)°. A variety of intra- and inter-molecular C-H?O and C-H?F hydrogen bonds, as well as ?-? inter-actions [centroid-centroid distances = 4.337?(3) and 3.774?(3)?Å] contribute to the stabilization of the mol-ecular and crystal structures, and result in the formation of a three-dimensional supra-molecular framework.

SUBMITTER: Park KM

PROVIDER: S-EPMC4438810 | biostudies-other | 2015 Apr

REPOSITORIES: biostudies-other

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Crystal structure of [2,6-di-fluoro-3-(pyridin-2-yl-κN)pyridin-4-yl-κC (4)](pentane-2,4-dionato-κ(2) O,O')platinum(II).

Park Ki-Min KM Lee Jieun J Kang Youngjin Y

Acta crystallographica. Section E, Crystallographic communications 20150311 Pt 4

The asymmetric unit of the title compound, [Pt(C10H5F2N2)(C5H7O2)], comprises one Pt(II) atom, one 2,6-di-fluoro-2,3-bi-pyridine ligand and one acetyl-acetonate anion. The Pt(II) atom adopts a distorted square-planar coordination geometry, being C,N-chelated by the 2,6-di-fluoro-3-(pyridin-2-yl)pyridin-4-yl ligand and O,O'-chelated by the pentane-2,4-dionate ligand. The two pyridine rings of the bi-pyridine ligand are approximately coplanar, making a dihedral angle of 1.2 (2)°. A variety of intr ...[more]

PMID: 26029388

Similar Datasets

[2,6-Di-fluoro-3-(pyridin-2-yl-?N)pyridin-4-yl-?C (4)](penta-ne-2,4-dionato-?(2) O,O')iridium(III).

Project description:The title compound, [Ir(C10H5F2N2)2(C5H7O2)], has a distorted octa-hedral coordination geometry around the Ir(III) atom, retaining the cis-C,C/trans-N,N chelate disposition in two 2,6-di-fluoro-3-(pyridin-2-yl-?N)pyridin-4-yl ligands which are nearly mutually perpendicular [dihedral angle = 82.75?(15)°]. The mol-ecular structure is stabilized by weak C-H?O and C-H?F hydrogen-bond inter-actions. The crystal structure is stabilized by ?-? stacking inter-actions (centroid-centroid distance = 3.951?Å).

| S-EPMC3884251 | biostudies-literature

Crystal structure of [5-bromo-2-(pyridin-2-yl-?N)phenyl-?C (1)](pentane-2,4-dionato-? (2) O,O')platinum(II).

Project description:The title cyclo-metalated platinum(II) complex with 2-(4-bromo-phen-yl)pyridinato and acetyl-acetonato ligands, [Pt(C11H7BrN)(C5H7O2)], consists of two crystallographically non-equivalent dimers, each stacked by ?-? inter-actions with distances of ? 3.4?Å. In both dimers, the platinum(II) complexes are arranged anti-parallel to each other. Each complex exhibits a slightly distorted square-planar coordination environment around the central Pt(II) atom. The dihedral angles between two chelate rings including the Pt(II) atom in these complexes are 0.08?(12) and 1.54?(9)°.

| S-EPMC4647431 | biostudies-literature

[4-Bromo-N-(pyridin-2-yl-methyl-idene)aniline-?N,N']bis-(1,1,1,5,5,5-hexa-fluoro-pentane-2,4-dionato-?O,O')nickel(II).

Project description:The title compound, [Ni(C(5)HF(6)O(2))(2)(C(12)H(9)BrN(2))], the Ni(II) atom exhibits a pseudo-octa-hedral coordination geometry. The structure packs through C-H?Br inter-actions, forming a hydrogen-bonded ladder. There are also strong hydrogen-bonding inter-actions between two of the O atoms of the ?-diketonate ligands and two H atoms on the pyridine ring of the Schiff base ligand.

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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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Crystal structure of di-?-hydroxido-bis{[N,N'-bis-(2,6-di-methyl-phen-yl)pentane-2,4-diiminato(1-)]zinc}.

Project description:The title compound, [Zn2(C21H25N2)2(OH)2], is a binuclear zinc complex formed by two bidentate ?-diketiminate (nacnac) ligands and two ?-hydroxide O atoms, bridging two mononuclear units into a centrosymmetric dimeric unit. Each Zn(2+) cation is coordinated by two N-donor atoms from the nacnac ligand and two O-donor atoms of hydroxide anions to give a distorted tetra-hedral coordination environment. The Zn-O bond lengths are 1.9643?(13) and 2.0022?(14)?Å, and the two Zn-N bond lengths are 1.9696?(14) and 1.9823?(14)?Å. The distance between the two Zn(2+) cations in the dimer is 2.9420?(4)?Å. Although hydroxide groups are present in the complex, no classical hydrogen-bonding inter-ations are observed because of the bulky ?-diketiminate ligands.

| S-EPMC4186180 | 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

Crystal structure of bis-[2-tert-but-oxy-6-fluoro-3-(pyridin-2-yl-?N)pyridin-4-yl-?C (4)](pentane-2,4-dionato-?(2) O,O')iridium(III).

Project description:The title mol-ecule, [Ir(C14H14FN2O)2(C5H7O2)], is located on a twofold rotation axis, which passes through the Ir(III) atom and the central C atom of the pentane-2,4-dionate anion. The Ir(III) atom adopts a distorted octa-hedral coordination geometry, being C,N-chelated by two 2-tert-but-oxy-6-fluoro-3-(pyridin-2-yl)pyridin-4-yl ligands and O,O'-chelated by the pentane-2,4-dionato ligand. The bipyridinate ligands, which are perpendicular to each other [dihedral angle between the two least-squares planes = 89.95?(5)°], are arranged in a cis-C,C' and trans-N,N' fashion relative to the central metal cation. Intra-molecular C-H?O and C-H?N hydrogen bonds and inter-molecular C-H?F hydrogen bonds as well as ?-? inter-actions between neighbouring pyridine rings [centroid-centroid distance 3.680?(1)?Å] contribute to the stabilization of the mol-ecular and crystal structure, respectively.

| S-EPMC4257303 | biostudies-other

Crystal structure of N-{4-[(6-chloro-pyridin-3-yl)meth-oxy]phen-yl}-2,6-di-fluoro-benzamide.

Project description:In the title compound, C19H13ClF2N2O2, the conformation of the N-H bond in the amide segment is anti to the C=O bond. The mol-ecule is not planar, with dihedral angles between the central benzene ring and the outer benzene and pyridyl rings of 73.35?(7) and 81.26?(6)°, respectively. A weak intra-molecular C-H?O hydrogen bond occurs. In the crystal, N-H?N, C-H?O and C-H?F hydrogen bonds lead to the formation of dimers. The N-H?N inversion dimers are linked by ?-? contacts between adjacent pyridine rings [centroid-centroid = 3.8541?(12)?Å] and C-H?? inter-actions. These contacts combine to stack the mol-ecules along the a axis.

| S-EPMC4704742 | biostudies-literature

3-(Pyridin-4-yl-thio)-pentane-2,4-dione.

Project description:In the title compound, C(10)H(11)NO(2)S, the acetyl-acetone group crystallizes in the keto form with all the non-hydrogen atoms in the acetyl-acetone group approximately co-planar with a maximum atomic deviation 0.055 (2) Å; the dihedral angle between the acetyl-acetone group and the pyridine ring is 85.90 (6)°. An intra-molecular O-H⋯O hydrogen bond involving the acetyl-acetone group forms a six-membered ring.

| S-EPMC3100059 | biostudies-literature

cis-Bis[2-(1,3-benzothia-zol-2-yl)-1-(4-fluoro-phen-yl)ethen-yl](pentane-2,4-dionato-κO,O')iridium(III).

Project description:In the title compound, [Ir(C(15)H(9)FNS)(2)(C(5)H(7)O(2))], the Ir atom is hexa-coordinated by three chelating ligands, with two cyclo-metalated 2-(1,3-benzothia-zol-2-yl)-1-(4-fluoro-phen-yl)ethenyl ligands showing N,C-bidentate coordination and an O,O'-bidenate pentane-2,4-dionate anion, thereby forming a distorted octa-hedral enviroment.

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