Issue 17, 2024

Guest water-induced structural transformation and spin-crossover variation of a two-dimensional Hofmann-type compound

Abstract

In this paper, we report a two-dimensional (2D) Hofmann-type spin-crossover coordination polymer [FeII(o-NTrz)2PtII(CN)4]·H2O (o-NTrz = 4-(o-nitrobenzyl)imino-1,2,4-triazole). Due to the remarkable configurational flexibility of triazole-based ligand, the porous structure of this compound can be reversibly regulated by the loss of guest water molecules as a consequence of rotation of o-NTrz. The 180° reorientation of the o-nitrobenzyl moiety not only induces a response of gate-closing/opening of the porous framework but also significantly modulates the spin transition temperature. The present investigation highlights the potential of Hofmann-type SCO compounds with flexible ligands in exploring unusual physical and chemical phenomena.

Graphical abstract: Guest water-induced structural transformation and spin-crossover variation of a two-dimensional Hofmann-type compound

Supplementary files

Article information

Article type
Paper
Submitted
15 Febr. 2024
Accepted
02 Apr. 2024
First published
03 Apr. 2024

Dalton Trans., 2024,53, 7522-7526

Guest water-induced structural transformation and spin-crossover variation of a two-dimensional Hofmann-type compound

Z. Liu, K. Sun, J. Xue, Z. Yao and J. Tao, Dalton Trans., 2024, 53, 7522 DOI: 10.1039/D4DT00435C

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