Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 7, Pages 1983-1986Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201309865
Keywords
halogen bonds; iron complexes; nickel complexes; phase transitions; spin crossover
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Funding
- Ministry of Education, Culture, Sports, Science, and Technology of Japan [20110007, 25410068]
- Grants-in-Aid for Scientific Research [25410068, 24108736, 20110007, 25288040] Funding Source: KAKEN
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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 -spins and played a crucial role in the synergistic magnetic transition between d- and -spins. In addition, the compound showed the light-induced excited spin state trapping effect.
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