ic7b00626_si_001.pdf (7.02 MB)
Proton Control of the Lanthanoid Single-Ion Magnet Behavior of a Double-Decker Complex with an Indolenine-Substituted Annulene Ligand
journal contribution
posted on 2017-05-24, 19:19 authored by Zhifu Liang, Marko Damjanović, Mritunjoy Kamila, Goulven Cosquer, Brian K. Breedlove, Markus Enders, Masahiro YamashitaTwo double-decker
complexes with annulene ligands functionalized with indolenine groups
were synthesized and characterized. The position of the proton acting
as a counterion on one of the four indolenine nitrogen atoms was determined
by using DFT calculations. Deprotonation and protonation of the complex
induced by adding a base and an acid, respectively, were monitored
by using NMR spectroscopy. Moreover, a correlation among the degree
of protonation of the complex, the opening of the hysteresis, and
the slow relaxation time is discussed.
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Proton Controlrelaxation timeIndolenine-Substituted Annulene LigandprotonLanthanoid Single-Ion Magnet Behaviorindolenine nitrogen atomsacidcounterionhysteresiDeprotonationcomplexNMR spectroscopyDFT calculationsopeningDouble-Decker Complexannulene ligands functionalizedindolenine groupscorrelationprotonation
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