Issue 1, 2022

Six-coordinated dinuclear lanthanide(iii) amide complexes: investigation of magnetization relaxation dynamics and their electronic structures

Abstract

A series of rare six-coordinated dinuclear Ln(III) complexes [Ln2(μ-Cl)2Cl4Li2(L)2(THF)6] were structurally characterized using a bulky amide ligand (L; Ln = Gd(1), Dy(2) and Y(3)). Detailed magnetic studies disclose that a weak antiferromagnetic coupling exists within 1 (−0.09 cm−1) and 2 (−0.07 cm−1; −2J Hamiltonian). Additionally, this study unveils the importance of the amide ligand at the coordination site of Dy(III), which manifests a slow relaxation of magnetization in the absence of an external magnetic field. This has been rationalized by detailed ab initio calculations as well as the electronic structure determination of 1 and 2.

Graphical abstract: Six-coordinated dinuclear lanthanide(iii) amide complexes: investigation of magnetization relaxation dynamics and their electronic structures

Supplementary files

Article information

Article type
Communication
Submitted
02 Nov. 2021
Accepted
21 Nov. 2021
First published
22 Nov. 2021

Dalton Trans., 2022,51, 63-68

Six-coordinated dinuclear lanthanide(III) amide complexes: investigation of magnetization relaxation dynamics and their electronic structures

A. Rasamsetty, S. Mehta, K. U. Ansari, P. Kumar, A. Mondal and M. Shanmugam, Dalton Trans., 2022, 51, 63 DOI: 10.1039/D1DT03708K

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