Definition of the chalcogen bond (IUPAC Recommendations 2019)

• Published in: Pure and applied chemistry Vol. 91; no. 11; pp. 1889 - 1892
• Main Authors: Aakeroy, Christer B., Bryce, David L., Desiraju, Gautam R., Frontera, Antonio, Legon, Anthony C., Nicotra, Francesco, Rissanen, Kari, Scheiner, Steve, Terraneo, Giancarlo, Metrangolo, Pierangelo, Resnati, Giuseppe
• Format: Journal Article
• Language: English
• Published: Berlin De Gruyter 01.11.2019; Walter de Gruyter GmbH
• Subjects: chalcogen bond; Chalcogen bonds; Chemistry; IUPAC Organic and Biomolecular Chemistry Division; IUPAC Physical and Biophysical Chemistry Division; nomenclature; noncovalent interactions; self-assembly; supramolecular chemistry

This recommendation proposes a definition for the term “chalcogen bond”; it is recommended the term is used to designate the specific subset of inter- and intramolecular interactions formed by chalcogen atoms wherein the Group 16 element is the electrophilic site.