Synergistic Spin Transition between Spin Crossover and Spin-Peierls-like Singlet Formation in the Halogen-Bonded Molecular Hybrid System: [Fe(Iqsal)2][Ni(dmit)2]CH3CNH2O

Synergistic Spin Transition between Spin Crossover and Spin-Peierls-like Singlet Formation in the Halogen-Bonded Molecular Hybrid System: [Fe(Iqsal)2][Ni(dmit)2]CH3CNH2O

To introduce halogen-bond interactions between a cation and an anion, a novel FeIII complex from iodine-substituted ligands involving a paramagnetic nickel dithiolene anion was prepared and characterized. The compound exhibited the synergy between a spin-crossover transition and a spin-Peierls-like...

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Veröffentlicht in:Angewandte Chemie 2014-02, Vol.126 (7), p.2014
Hauptverfasser: Fukuroi, Kappei, Takahashi, Kazuyuki, Mochida, Tomoyuki, Sakurai, Takahiro, Ohta, Hitoshi, Yamamoto, Takashi, Einaga, Yasuaki, Mori, Hatsumi
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Iodine
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container_issue 7
container_start_page 2014
container_title Angewandte Chemie
container_volume 126
creator Fukuroi, Kappei
Takahashi, Kazuyuki
Mochida, Tomoyuki
Sakurai, Takahiro
Ohta, Hitoshi
Yamamoto, Takashi
Einaga, Yasuaki
Mori, Hatsumi
description To introduce halogen-bond interactions between a cation and an anion, a novel FeIII complex from iodine-substituted ligands involving a paramagnetic nickel dithiolene anion was prepared and characterized. The compound exhibited the synergy between a spin-crossover transition and a spin-Peierls-like singlet formation. The halogen-bond interactions between the iodine and the sulfur atoms stabilized the paramagnetic state of π-spins and played a crucial role in the synergistic magnetic transition between d- and π-spins. In addition, the compound showed the light-induced excited spin state trapping effect.
doi_str_mv 10.1002/ange.201309865
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subjects Chemistry
Iodine
title Synergistic Spin Transition between Spin Crossover and Spin-Peierls-like Singlet Formation in the Halogen-Bonded Molecular Hybrid System: [Fe(Iqsal)2][Ni(dmit)2]CH3CNH2O
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