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A stable dysprosium(iii) complex with a terminal fluoride ligand showing high resolution luminescence and slow magnetic relaxation

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Abstract

An air-stable dysprosium(III) complex, [C(NH2)3]4[DyF(piv)4](piv)2 (piv = pivalate), with a terminal fluoride ligand protected by forming extensive hydrogen bonds with peripheral guanidiniums has been isolated. Though the magnetic data failed to determine the energy barrier for the magnetic reversal (Ueff) accurately, the fine emission spectrum of the 4F9/26H15/2 transition at 4.2 K and ab initio calculations reveal that the Ueff is about 376(20) K, which is among the highest for high-coordinate (coordination numbers ≥ 9) lanthanide mononuclear magnets.

Graphical abstract: A stable dysprosium(iii) complex with a terminal fluoride ligand showing high resolution luminescence and slow magnetic relaxation

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Supplementary files

Article information


Submitted
26 Mar 2020
Accepted
04 May 2020
First published
20 May 2020

Dalton Trans., 2020, Advance Article
Article type
Communication

A stable dysprosium(III) complex with a terminal fluoride ligand showing high resolution luminescence and slow magnetic relaxation

B. Ling, Y. Zhai, J. Han, T. Han and Y. Zheng, Dalton Trans., 2020, Advance Article , DOI: 10.1039/D0DT01146K

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