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A High-Performance Single-Molecule Magnet Utilizing Dianionic Aminoborolide Ligands by James C. Vanjak; Branford O. Wilkins; Veacheslav Vieru; Nattamai S. Bhuvanesh; Joseph H. Reibenspies; Caleb D. Martin; Liviu F. Chibotaru; Michael Nippe is a Chemistry article available to read on EtoBox.
What is A High-Performance Single-Molecule Magnet Utilizing Dianionic Aminoborolide Ligands about?
The first example of a homoleptic f-block borolide sandwich complex is presented and shown to be a high-performance single-molecule magnet (SMM). The bis(borolide) complex [K(2.2.2)][[1-(piperidino)-2,3,4,5-tetraphenylborolyl]Dy] () features an unusual example of an anionic Ln metallocene that supports short metal-ligand bonds and a high degree of linearity around the central Dy ion, resulting in comparatively large barriers to magnetization reversal ( = 1600 cm for the most linear orientation) and, importantly, a high blocking temperature (, defined as (τ)) of 66 K. These metrics put complex among the very best performing SMMs reported to date and highlight the potential of dianionic borolide ligands to increase ligand field axiality, compared to monoanionic cyclic ligands, to ultimately maximize magnetic anisotropy in f-block-based SMMs.
Who reads A High-Performance Single-Molecule Magnet Utilizing Dianionic Aminoborolide Ligands?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- James C. Vanjak; Branford O. Wilkins; Veacheslav Vieru; Nattamai S. Bhuvanesh; Joseph H. Reibenspies; Caleb D. Martin; Liviu F. Chibotaru; Michael Nippe
- Publisher
- American Chemical Society (ACS)
- Published
- 2022
- Language
- EN
- Field
- Chemistry (Physical Sciences)