Catenated and spirocyclic polychalcogenides from potassium carbonate and elemental chalcogens

Phil Liebing; Marcel Kühling; Claudia Swanson; Martin Feneberg; Liane Hilfert; Rüdiger Goldhahn; Tristram Chivers; Frank T Edelmann

doi:10.1039/c9cc08347b

Catenated and spirocyclic polychalcogenides from potassium carbonate and elemental chalcogens

Chem Commun (Camb). 2019 Dec 25;55(99):14965-14967. doi: 10.1039/c9cc08347b. Epub 2019 Nov 27.

Authors

Phil Liebing¹, Marcel Kühling¹, Claudia Swanson¹, Martin Feneberg², Liane Hilfert¹, Rüdiger Goldhahn², Tristram Chivers³, Frank T Edelmann¹

Affiliations

¹ Chemisches Institut der Otto-von-Guericke-Universität, 39106 Magdeburg, Germany. frank.edelmann@ovgu.de.
² Otto-von-Guericke-Universität, Institut für Physik, 39106 Magdeburg, Germany.
³ Department of Chemistry, The University of Calgary, Calgary, Alberta T2N 1N4, Canada. chivers@ucalgary.ca.

PMID: 31774421
DOI: 10.1039/c9cc08347b

Abstract

The reaction of potassium carbonate with elemental sulfur or selenium in acetone in the presence of [PPN]Cl (PPN = (Ph₃P)₂N) produces catena-[S₁₂]^2-, the longest structurally characterised polysulfide dianion, or spiro-[Se₁₁]^2- as ion-separated [PPN]⁺ salts.