Article Dans Une Revue Dalton Transactions Année : 2025

Angle-dependent spin crossover properties in polymorphic iron(ii) complexes based on pyridine-triazole derivatives

Résumé

Two new Fe(ii) compounds based on a pyridine-triazole ligand with an NCS− co-ligand were synthesized as thermodynamic (1) and kinetic (2) products. Single crystal X-ray diffraction evidenced that these compounds are polymorphs. The magnetic susceptibility of each compound was recorded, which showed that 1 undergoes a sharp spin crossover, while 2 remains in the high spin state across the temperature range. We discussed here the importance and impact of crystalline packing on the switching properties of these compounds.

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hal-05029258 , version 1 (17-11-2025)

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Emmelyne Cuza, Nicolas Delsuc, Jerôme Marrot, William Shepard, Clotilde Policar, et al.. Angle-dependent spin crossover properties in polymorphic iron(ii) complexes based on pyridine-triazole derivatives. Dalton Transactions, 2025, ⟨10.1039/d4dt03376k⟩. ⟨hal-05029258⟩
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