A1 Refereed original research article in a scientific journal
Charge-Assisted Halogen Bonding in an Ionic Cavity of a Coordination Cage Based on a Copper(I) Iodide Cluster
Authors: Peuronen Anssi, Taponen Anni I, Kalenius Elina, Lehtonen Ari, Lahtinen Manu
Publisher: WILEY-V C H VERLAG GMBH
Publication year: 2023
Journal: Angewandte Chemie International Edition
Journal name in source: ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Journal acronym: ANGEW CHEM INT EDIT
Article number: e202215689
Volume: 62
Issue: 7
Number of pages: 7
ISSN: 1433-7851
DOI: https://doi.org/10.1002/anie.202215689
Web address : https://doi.org/10.1002/anie.202215689
Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/178725757
The design of molecular containers capable of selectively binding specific guest molecules presents an interesting synthetic challenge in supramolecular chemistry. Here, we report the synthesis and structure of a coordination cage assembled from Cu3I4- clusters and tripodal cationic N-donor ligands. Owing to the localized permanent charges in the ligand core the cage binds iodide anions in specific regions within the cage through ionic interactions. This allows the selective binding of bromomethanes as secondary guest species within the cage promoted by halogen bonding, which was confirmed by single-crystal X-ray diffraction.
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