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submitted on 20.05.2020 and posted on 21.05.2020by Jules Moutet, jules Schleinitz, Leo La Droitte, Maxime Tricoire, Frédéric Gendron, Thomas Simler, Carine Clavaguéra, Boris Le Guennic, Olivier Cador, Gregory Nocton
Divalent lanthanide organometallics are well known highly reducing compounds usually used for single electron transfer reactivity and small molecule activation. Thus, their very reactive nature prevented for many years the study of their physical properties, such as magnetic studies on a reliable basis. In this article, the access to rare organometallic sandwich compounds of TmII with the cyclooctatetraenyl (Cot) ligand impacts on the use of divalent organolanthanide compounds as an additional strategy for the design of performing Single Molecule Magnets (SMM). Herein, the first divalent thulium sandwich complex with f13 configuration behaving as a Single Molecule Magnet in absence of DC field is highlighted.