The Covalent and Coordination Co-Driven Assembly of Supramolecular Octahedral Cages with Controllable Degree of Distortion

Autor: Xiaopeng Li, Zheng Niu, Heng Wang, Jian-Ping Lang, Ze-Ming Xu, Yinglin Song, Pierre Braunstein, Yun Ju, Shu-Jin Bao
Přispěvatelé: Institut de Chimie de Strasbourg, Centre National de la Recherche Scientifique (CNRS)-Université Louis Pasteur - Strasbourg I-Institut de Chimie du CNRS (INC), Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC)
Rok vydání: 2020
Předmět:
Zdroj: Journal of the American Chemical Society
Journal of the American Chemical Society, American Chemical Society, 2020, 142 (31), pp.13356-13361. ⟨10.1021/jacs.0c07014⟩
ISSN: 1520-5126
0002-7863
DOI: 10.1021/jacs.0c07014
Popis: Discovering and constructing novel and fancy structures is the goal of many supramolecular chemists. In this work, we propose an assembly strategy based on the synergistic effect of coordination and covalent interactions to construct a set of octahedral supramolecular cages and adjust their degree of distortion. Our strategy innovatively utilizes the addition of sulfur atoms of a metal sulfide synthon, [Et4N][Tp*WS3] (A), to an alkynyl group of a pyridine-containing linker, resulting in a novel vertex with low symmetry, and of Cu(I) ions. By adjusting the length of the linker and the position of the reactive alkynyl group, the control of the deformation degree of the octahedral cages can be realized. These supramolecular cages exhibit enhanced third-order nonlinear optical (NLO) responses. The results offer a powerful strategy to construct novel distorted cage structures as well as control the degree of distortion of supramolecular geometries.
Databáze: OpenAIRE