Dalton Trans., 2024, 53,11237-11241DOI: 10.1039/D4DT01565G, CommunicationRashid G. Siddique, John C. McMurtrie, Jack K. CleggAn unsymmetrical quaterpyridine ligand forms a mixture of helicates and tetrahedra when reacted with Co(II). The metal centres can be oxidised to Co(III) producing a higher proportion of tetrahedron.The content of this RSS Feed (c) The Royal Society of Chemistry