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      Inflating face-capped Pd6L8 coordination cages

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          Abstract

          Using easy-to-access metalloligands, we were able to prepare Pd 6L 8-type coordination cages of unprecedented size.

          Abstract

          Tritopic metalloligands were used to form two Pd 6L 8-type coordination cages. With molecular weights of more than 15 kDa and Pd⋯Pd distances of up to 4.2 nm, these complexes are among the largest palladium cages described to date.

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          Most cited references53

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          Metal-organic frameworks and self-assembled supramolecular coordination complexes: comparing and contrasting the design, synthesis, and functionality of metal-organic materials.

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            Recent Developments in the Preparation and Chemistry of Metallacycles and Metallacages via Coordination.

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              Self-assembled M24L48 polyhedra and their sharp structural switch upon subtle ligand variation.

              Self-assembly is a powerful technique for the bottom-up construction of discrete, well-defined nanoscale structures. Large multicomponent systems (with more than 50 components) offer mechanistic insights into biological assembly but present daunting synthetic challenges. Here we report the self-assembly of giant M24L48 coordination spheres from 24 palladium ions (M) and 48 curved bridging ligands (L). The structure of this multicomponent system is highly sensitive to the geometry of the bent ligands. Even a slight change in the ligand bend angle critically switches the final structure observed across the entire ensemble of building blocks between M24L48 and M12L24 coordination spheres. The amplification of this small initial difference into an incommensurable difference in the resultant structures is a key mark of emergent behavior.
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                Author and article information

                Journal
                CHCOFS
                Chemical Communications
                Chem. Commun.
                Royal Society of Chemistry (RSC)
                1359-7345
                1364-548X
                2018
                2018
                : 54
                : 68
                : 9529-9532
                Affiliations
                [1 ]Institut des Sciences et Ingénierie Chimiques
                [2 ]Ecole Polytechnique Fédérale de Lausanne (EPFL)
                [3 ]1015 Lausanne
                [4 ]Switzerland
                Article
                10.1039/C8CC04870C
                f72ef7b7-2926-4cc2-8eb8-ae8253fad312
                © 2018

                http://rsc.li/journals-terms-of-use

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