Issue 48, 2021

Single-molecule magnet achieved through topological tuning with sodium ions

Abstract

Manganese(II) acetate was reacted with indane-1,2,3-trione-1,2-dioxime (H2L), producing three new MnIII complexes containing a MnIII3O unit. Complex 1 is a zero-dimensional (0D) trinuclear manganese(III) cluster. Complexes 2 and 3 show different two-dimensional (2D) structures with their trinuclear manganese(III) units bridged through Na(I) ions. A study of the magnetic properties manifests that antiferromagnetic coupling is clearly dominant in complexes 1 and 2. In contrast, complex 3 is a single-molecule magnet with dominant ferromagnetic couplings between its metal ions. The Na(I) ions adjust the topologies of these complexes, which thus tunes the magnetic-related parameters such as the Mn–O–N–Mn dihedral angle and finally leads to the achievement of single-molecule magnets.

Graphical abstract: Single-molecule magnet achieved through topological tuning with sodium ions

Supplementary files

Article information

Article type
Paper
Submitted
13 אוק 2021
Accepted
07 נוב 2021
First published
08 נוב 2021

CrystEngComm, 2021,23, 8490-8497

Single-molecule magnet achieved through topological tuning with sodium ions

Y. Wu, Z. Hu, L. Quan, L. Jing, J. Zhang and Z. Chen, CrystEngComm, 2021, 23, 8490 DOI: 10.1039/D1CE01382C

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