Issue 23, 2022

Melamine-induced synthesis of a structurally perfect kagomé antiferromagnet

Abstract

We report here a structurally perfect kagomé lattice {[Cu3(bpy)6](SiF6)3(melamine)8}n (1), where bpy is 4,4′-bipyridine and [SiF6]2− is a hexafluorosilicate anion. In comparison to general 1D linear, 2D layered and 3D cubic metal–organic frameworks, by using Cu2+ nodes and bpy ligands, a perfect kagomé lattice was synthesized by introducing C3 symmetrical melamine molecules. Magnetic susceptibility and low-temperature heat capacity measurements indicated weak antiferromagnetic interactions between the spins and no long-range magnetic ordering to 0.7 K. Using C3 symmetrical melamine molecules can be considered as a challenging synthetic strategy to afford new topological materials.

Graphical abstract: Melamine-induced synthesis of a structurally perfect kagomé antiferromagnet

Supplementary files

Article information

Article type
Communication
Submitted
21 Sun 2022
Accepted
22 Yan 2022
First published
22 Yan 2022

Chem. Commun., 2022,58, 3763-3766

Author version available

Melamine-induced synthesis of a structurally perfect kagomé antiferromagnet

Y. Shen, K. Sugimoto, S. Yamashita, T. Yoshida, Y. Nakazawa, B. K. Breedlove, H. Zhang and M. Yamashita, Chem. Commun., 2022, 58, 3763 DOI: 10.1039/D2CC00416J

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