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Size‐Controlled Hapticity Switching in [Ln(C9H9)(C8H8)] Sandwiches

Abstract : Sandwich complexes of lanthanides have recently attracted a considerable amount of interest due to their applications as Single Molecule Magnet (SMM). Herein, a comprehensive series of heteroleptic lanthanide sandwich complexes ligated by the cyclononatetraenyl (Cnt) and the cyclooctatetraenyl (Cot) ligand [Ln(Cot)(Cnt)] (Ln=Tb, Dy, Er, Ho, Yb, and Lu) is reported. The coordination behavior of the Cnt ligand has been investigated along the series and shows different coordination patterns in the solid-state depending on the size of the corresponding lanthanide ion without altering its overall anisotropy. Besides the characterization in the solid state by single-crystal X-ray diffraction and in solution by 1 H NMR, static magnetic studies and ab initio computational studies were performed.
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https://hal.archives-ouvertes.fr/hal-03380768
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Submitted on : Friday, October 15, 2021 - 6:03:33 PM
Last modification on : Tuesday, January 4, 2022 - 6:00:33 AM
Long-term archiving on: : Sunday, January 16, 2022 - 9:22:04 PM

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Maxime Tricoire, Luca Münzfeld, Jules Moutet, Nolwenn Mahieu, Léo La Droitte, et al.. Size‐Controlled Hapticity Switching in [Ln(C9H9)(C8H8)] Sandwiches. Chemistry - A European Journal, Wiley-VCH Verlag, 2021, 27 (54), pp.13558 - 13567. ⟨10.1002/chem.202101599⟩. ⟨hal-03380768⟩

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