A spiropyran-based switchable ligand isomerizes upon reaction with lanthanide(III) precursors to generate complexes with an unusual N3O5 coordination sphere. The air-stable dysprosium(III) complex shows a hysteresis loop at 2 K and a very strong axial magnetic anisotropy generated by the merocyanine phenolate donor.
Highly Axial Magnetic Anisotropy in a N3O5Dysprosium(III) Coordination Environment Generated by a Merocyanine Ligand / Selvanathan, Pramila; Huang, Gang; Guizouarn, Thierry; Roisnel, Thierry; Fernandez-Garcia, Guglielmo; Totti, Federico; Le guennic, Boris; Calvez, Guillaume; Bernot, Kévin; Norel, Lucie; Rigaut, Stéphane. - In: CHEMISTRY-A EUROPEAN JOURNAL. - ISSN 0947-6539. - STAMPA. - 22:(2016), pp. 15222-15226. [10.1002/chem.201603439]
Highly Axial Magnetic Anisotropy in a N3O5Dysprosium(III) Coordination Environment Generated by a Merocyanine Ligand
FERNANDEZ GARCIA, GUGLIELMO;TOTTI, FEDERICO;BERNOT, KEVIN;
2016
Abstract
A spiropyran-based switchable ligand isomerizes upon reaction with lanthanide(III) precursors to generate complexes with an unusual N3O5 coordination sphere. The air-stable dysprosium(III) complex shows a hysteresis loop at 2 K and a very strong axial magnetic anisotropy generated by the merocyanine phenolate donor.
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Chem. Eur. J. 2016, 22, 15222 – 15226.pdf
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