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Crystal structure and luminescent properties of bis-[2,6-dimethyl-3-(pyridin-2-yl-?N)pyridin-4-yl-?C4](2,2,6,6-tetra-methylhepta-ne-3,5-dionato-?2O,O')iridium(III) ethyl acetate monosolvate.

ABSTRACT: In the solvated title compound, [Ir(C12H11N2)2(C11H19O2)]·CH3CO2C2H5, the IrIII ion adopts a distorted octa-hedral coordination environment resulting from its coordination by two C,N-chelating 2,6-dimethyl-3-(pyridin-2-yl)pyridin-4-yl ligands and one O,O'-chelating 2,2,6,6-tetra-methylhepta-ne-3,5-dionate ligand. The C,N-chelating ligands are perpendicular to each other [dihedral angle between the least-squares planes = 87.86?(5)°] and are arranged in a cis-C,C' and trans-N,N' fashion. In the crystal, pairwise C-H?? inter-actions between inversion-related IrIII complexes are present, forming a dimeric structure. The title complex shows bright bluish-green emission with good quantum efficiency in solution at room temperature.

SUBMITTER: Park KM 

PROVIDER: S-EPMC6127711 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature

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Crystal structure and luminescent properties of bis-[2,6-dimethyl-3-(pyridin-2-yl-κ<i>N</i>)pyridin-4-yl-κ<i>C</i><sup>4</sup>](2,2,6,6-tetra-methylhepta-ne-3,5-dionato-κ<sup>2</sup><i>O</i>,<i>O</i>')iridium(III) ethyl acetate monosolvate.

Park Ki-Min KM   Moon Suk-Hee SH   Kang Youngjin Y  

Acta crystallographica. Section E, Crystallographic communications 20180810 Pt 9

In the solvated title compound, [Ir(C<sub>12</sub>H<sub>11</sub>N<sub>2</sub>)<sub>2</sub>(C<sub>11</sub>H<sub>19</sub>O<sub>2</sub>)]·CH<sub>3</sub>CO<sub>2</sub>C<sub>2</sub>H<sub>5</sub>, the Ir<sup>III</sup> ion adopts a distorted octa-hedral coordination environment resulting from its coordination by two <i>C</i>,<i>N</i>-chelating 2,6-dimethyl-3-(pyridin-2-yl)pyridin-4-yl ligands and one <i>O</i>,<i>O'</i>-chelating 2,2,6,6-tetra-methylhepta-ne-3,5-dionate ligand. The <i>C</i>,<i>N</i>-che  ...[more]

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