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Bis[3,5-difluoro-2-(4-methyl-pyridin-2-yl)phenyl-?C,N](picolinato-?N,O)iridium(III) chloro-form monosolvate.

ABSTRACT: In the title complex, [Ir(C(12)H(8)F(2)N)(2)(C(6)H(4)NO(2))]·CHCl(3), two similar mol-ecules of each component comprise the asymmetric unit. The independent complex mol-ecules are linked by inter-molecular ?-? inter-actions [centroid-centroid distance = 3.830?(4)?Å]. The Ir(III) ion adopts a distorted octa-hedral geometry, being coordinated by three N atoms, two C atoms, and one O atom of three bidentate ligands, with the N atoms arranged meridionally.

SUBMITTER: Kim YI

PROVIDER: S-EPMC3200786 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Aqua-(benzamidato-?N)bis-[3,5-difluoro-2-(pyridin-2-yl)phenyl-?C]iridium(III) methanol monosolvate.

Project description:In the title compound, [Ir(C(11)H(6)F(2)N)(2)(C(7)H(6)NO)(H(2)O)]·CH(3)OH, the Ir(III) ion adopts an octa-hedral geometry, and is coordinated by two 3,5-difluoro-2-(pyridin-2-yl)phenyl ligands, one mol-ecule of water and one benzamidate anion. The two 2-(4,6-difluoro-phen-yl)pyridyl ligands are arranged in a cis-C,C' and trans-N,N' fashion. Additionally, there is a bystanding methanol mol-ecule outside the coordination sphere of the Ir(III) ion. In the crystal, mol-ecules of the title compound are linked by O-H?O and O-H?N hydrogen bonds. One F atom of each ligand is equally disordered over two sites. The C atom of the solvent molecule is likewise disordered over two sites in a 0.589?(11):0.411?(11) ratio.

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(5-Methyl-pyrazine-2-carboxyl-ato-κ(2) N (1),O)bis-[2-(4-methyl-pyridin-2-yl-κN)-3,5-bis-(tri-fluoro-meth-yl)phenyl-κC (1)]iridium(III) chloro-form hemisolvate.

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Chloro({2-[mesityl(quinolin-8-yl-κN)boryl]-3,5-dimethyl-phenyl}methyl-κC)palladium(II) as a catalyst for Heck reactions.

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Project description:In the title complex, [Pt(C(15)H(11)N(4)O)Cl(3)]·CH(3)CN, the Pt(IV) ion adopts a distorted octa-hedral coordination geometry defined by a tridentate cyclo-metalated NCN ligand and three Cl atoms. In the crystal, individual mol-ecules are aggregated into a three-dimensional network by C-H⋯Cl hydrogen-bonding inter-actions and π-π stacking inter-actions between the tridentate ligands, the shortest ring centroid-centroid distance being 3.613 Å.

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Crystal structure of {(E)-2-[(phenyl-imino)-meth-yl]phenolato-?(2) N,O}bis-[2-(pyridin-2-yl)phenyl-?(2) C (1),N]iridium(III) di-chloro-methane monosolvate.

Project description:In the title compound, [Ir(C11H8N)2(C13H10NO)]·CH2Cl2, the Ir(III) ion is six-coordinated by two C,N-bidentate 2-(pyridin-2-yl)phenyl ligands and one N,O-bidentate 2-[(phenyl-imino)-meth-yl]phenolate anion, giving rise to a distorted octa-hedral environment. The C,N-bidentate ligands, in which the C and N atoms are statistically disordered over two sites and therefore both pairs of C and N atoms are trans and cis relative to each other, are almost perpendicular to each other [the dihedral angle between the least-square planes is 87.00?(4)°]. An intra-molecular C-H?O hydrogen bond, as well as inter-molecular C-H?? inter-actions and ?-? inter-actions, contribute to the stabilization of the mol-ecular and crystal structure.

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(E)-4-Chloro-2-{[4-(3,5-dichloro-pyridin-2-yl-oxy)phenyl-imino]-meth-yl}phenol.

Project description:In the title mol-ecule, C(18)H(11)Cl(3)N(2)O(2), the central benzene ring is oriented at 8.44?(12) and 70.57?(11)° with respect to the terminal chloro-phenol and dichloro-pyridine rings, respectively. The mol-ecular structure is stabilized by an intra-molecular O-H?N hydrogen bond, which generates an S(6) ring motif. In the crystal, ?-? stacking between parallel pyridine rings is observed [centroid-centroid distance = 3.6561?(14)?Å].

| S-EPMC3247386 | biostudies-literature

Crystal structure of [5-bromo-2-(pyridin-2-yl-κN)phenyl-κC (1)](pentane-2,4-dionato-κ (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 π-π 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)°.

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(3-Allyl-oxypicolinato-?N,O)bis-[3,5-difluoro-2-(2-pyrid-yl)phenyl-?C,N]iridium(III).

Project description:The title complex, [Ir(C(11)H(6)F(2)N)(2)(C(9)H(8)NO(3))], consists of one Ir(III) ion, two C,N-bidentate 3,5-difluoro-2-(2-pyrid-yl)phenyl (F(2)ppy) ligands and one N,O-bidentate 3-allyl-oxypicolinate (pic-3-Oall) ligand. The Ir(III) ion is hexa-coordinated by two C atoms and two N atoms from the F(2)ppy ligands and one N atom and one carboxyl-ate O atom from the pic-3-Oall ligand, displaying a distorted octa-hedral geometry. In the crystal structure, weak inter-molecular C-H?F and C-H?O hydrogen bonds link the complex mol-ecules into a three-dimensional supra-molecular structure.

| S-EPMC2971841 | biostudies-other

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