Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 60, Issue 11, Pages 6042-6046Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202015428
Keywords
divalent thulium; electron transfer; lanthanides; organometallics; single-molecule magnets
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Funding
- European Research Council (ERC) under the European Union [716314]
- ANR (French National Research Agency) [ANR-19-CE07-0019-1]
- CNRS
- Ecole polytechnique
- Strategie d'Attractivite Durable [SAD18006-LnCPLSMM]
- European Research Council under the European Union [725184]
- European Research Council (ERC) [716314, 725184] Funding Source: European Research Council (ERC)
- Agence Nationale de la Recherche (ANR) [ANR-19-CE07-0019] Funding Source: Agence Nationale de la Recherche (ANR)
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Divalent lanthanide organometallics are highly reducing compounds known for single electron transfer reactivity and small molecule activation. This study presents a rare organometallic sandwich compound of divalent thulium with the cyclooctatetraenyl ligand, introducing it as an additional strategy for designing high-performing Single Molecule Magnets. The first divalent thulium sandwich complex with f(13) configuration behaves as a single-molecule magnet even in the absence of a DC field.
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. Herein, the access to rare organometallic sandwich compounds of Tm-II 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). The first divalent thulium sandwich complex with f(13) configuration behaving as a single-molecule magnet in absence of DC field is highlighted.
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