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Wiley, Angewandte Chemie, 7(126), p. 2014-2017, 2014

DOI: 10.1002/ange.201309865

Wiley, Angewandte Chemie International Edition, 7(53), p. 1983-1986, 2014

DOI: 10.1002/anie.201309865

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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]⋅CH3CN⋅H2O

Journal article published in 2014 by Kappei Fukuroi, Kazuyuki Takahashi, Tomoyuki Mochida ORCID, Takahiro Sakurai, Hitoshi Ohta, Takashi Yamamoto, Yasuaki Einaga, Hatsumi Mori
This paper is available in a repository.
This paper is available in a repository.

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Abstract

To introduce halogen-bond interactions between a cation and an anion, a novel Fe(III) 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.