Tetrameric spin crossover iron(II) complex constructed by imidazole···chloride hydrogen bonds

A tetrameric spin crossover (SCO) FeII complex was synthesized, and the structure and magnetic properties were studied. The tetrameric structure is constructed by four imidazole···Cl− hydrogen bonds centered at one Cl− ion. The compound showed an incomplete gradual SCO behavior due to intra-cluster “anticooperative-like“ interaction.

A tetrameric spin crossover (SCO) FeII complex was synthesized, and the structure and magnetic properties were studied. The tetrameric structure was constructed by four imidazole·Cl− hydrogen bonds centered at one Cl− ion. The compound showed an incomplete gradual SCO behavior due to intra-cluster “anticooperative-like” interactions.Figure optionsDownload as PowerPoint slideResearch Highlights
► A tetrameric spin crossover (SCO) FeII complex was synthesized.
► The structure and magnetic properties were studied.
► The tetrameric structure is constructed by four imidazole···Cl- hydrogen bonds.
► The compound showed an gradual SCO due to intra-cluster “anticooperative-like“ interaction.