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Synthesis, crystal structure and photophysical properties of bis-[2,6-di-fluoro-3-(pyridin-2-yl)pyridine-κN](tri-fluoro-methane-sulfonato-κO)silver(I).

ABSTRACT: In the title compound, [Ag(CF3SO3)(C10H6F2N2)2], the AgI centre adopts a highly distorted trigonal-planar coordination environment resulting from its coordination by one O atom of the tri-fluoro-methane-sulfonate anion and the pyridine N atoms of two crystallographically independent 2',6'-di-fluoro-2,3'-bi-pyridine ligands, which display very similar conformations to one another. Pairwise Ag⋯O-SO2CF3 - [Ag⋯O = 2.8314 (14) Å] inter-actions and inter-molecular C-H⋯O inter-actions between inversion-related units lead to the formation of an eight-membered cyclic dimer in which the silver atoms are separated by 6.2152 (3) Å. In the crystal, the dimers are linked through C-H⋯O hydrogen bonds, halogen⋯π and weak π-π stacking inter-actions, resulting in the formation of a three-dimensional supra-molecular network. The title compound exhibits a strong and broad emission band from 400 nm to 550 nm in solution and its photoluminescence quantum efficiency is estimated to be ca 0.2, indicating that the title compound could have applications as an emitting material in organic light-emitting diodes (OLEDs).

SUBMITTER: Moon SH 

PROVIDER: S-EPMC8647753 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature

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Synthesis, crystal structure and photophysical properties of bis-[2,6-di-fluoro-3-(pyridin-2-yl)pyridine-κ<i>N</i>](tri-fluoro-methane-sulfonato-κ<i>O</i>)silver(I).

Moon Suk-Hee SH   Paek Sanghyun S   Kang Youngjin Y  

Acta crystallographica. Section E, Crystallographic communications 20211104 Pt 12

In the title compound, [Ag(CF<sub>3</sub>SO<sub>3</sub>)(C<sub>10</sub>H<sub>6</sub>F<sub>2</sub>N<sub>2</sub>)<sub>2</sub>], the Ag<sup>I</sup> centre adopts a highly distorted trigonal-planar coordination environment resulting from its coordination by one O atom of the tri-fluoro-methane-sulfonate anion and the pyridine N atoms of two crystallographically independent 2',6'-di-fluoro-2,3'-bi-pyridine ligands, which display very similar conformations to one another. Pairwise Ag⋯O-SO<sub>2</sub>C  ...[more]

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