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2022 | OriginalPaper | Buchkapitel

8. Regium Bonds: A Bridge Between Coordination and Supramolecular Chemistry

verfasst von : Antonio Frontera, Antonio Bauzá

Erschienen in: Supramolecular Assemblies Based on Electrostatic Interactions

Verlag: Springer International Publishing

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Abstract

During the past century, the coordination chemistry of coinage metals (elements of Group 11) has been extensively studied owing to their strong implications in crystal engineering, protein-drug chemistry, or catalysis. Very recently, their role has been expanded to the “noncovalent realm” by providing evidence of their ability to behave as Lewis acids and undergo noncovalent binding. More precisely, Cu, Ag, and Au are able to undertake noncovalent interactions (NCI) involving Lewis bases of different nature (e.g., lone pair donors, π-systems) or even small charged anions (e.g., Cl⁻). This has been mainly attributed to presence of positive (σ-hole) and negative (σ-lump) electrostatic potential regions, which mimic in some way the electrophilic (σ-hole) and nucleophilic (belt) regions present in aerogens (Group 18), halogens (Group 17), chalcogens (Group 16) and pnictogens (Group 15). Group 11 noncovalent bonds have been named “regium bonds (RgB)” owing to the noble metal character of Cu, Ag, and Au elements. This chapter encompasses a series of both theoretical and experimental examples of RgBs to provide a general picture of the promising features of the interaction in crystal engineering, biological systems, and surface absorption processes as well as interplay and cooperativity between RgBs and other noncovalent forces.

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Vorheriges Kapitel Supramolecular Assemblies Based on σ-hole Interactions

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Titel: Regium Bonds: A Bridge Between Coordination and Supramolecular Chemistry
verfasst von: Antonio Frontera
Antonio Bauzá
Verlag: Springer International Publishing
Buch: Supramolecular Assemblies Based on Electrostatic Interactions
Print ISBN: 978-3-031-00656-2

Electronic ISBN: 978-3-031-00657-9

Copyright-Jahr: 2022
DOI: https://doi.org/10.1007/978-3-031-00657-9_8

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