A tripodal ligand containing three imidazole groups inducing spin crossover in both Fe(II) and Fe(III) complexes; structures and spin crossover behaviors of the complexes

Hiromi Ohta; Yukinari Sunatsuki; Masaaki Kojima; Seiichiro Iijima; Haruo Akashi; Naohide Matsumoto

doi:10.1246/cl.2004.350

A tripodal ligand containing three imidazole groups inducing spin crossover in both Fe(II) and Fe(III) complexes; structures and spin crossover behaviors of the complexes

Hiromi Ohta, Yukinari Sunatsuki, Masaaki Kojima, Seiichiro Iijima, Haruo Akashi, Naohide Matsumoto

Advanced Science Research Center

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

Abstract

A tripodal hexadentate ligand containing three imidazole groups gives spin-crossover iron complexes in both the +II and the +III oxidation states. The tetrafluoroborate salt of the Fe(II) complex shows a gradual spin transition in the temperature range 110-270 K. The corresponding Fe(III) complex shows a spin transition above 150 K, and at 300 K ca. 87% of the Fe(III) ion is in the high-spin state.

Original language	English
Pages (from-to)	350-351
Number of pages	2
Journal	Chemistry Letters
Volume	33
Issue number	3
DOIs	https://doi.org/10.1246/cl.2004.350
Publication status	Published - Mar 1 2004

ASJC Scopus subject areas

Chemistry(all)

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10.1246/cl.2004.350

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AU - Ohta, Hiromi

AU - Sunatsuki, Yukinari

AU - Kojima, Masaaki

AU - Iijima, Seiichiro

AU - Akashi, Haruo

AU - Matsumoto, Naohide

PY - 2004/3/1

Y1 - 2004/3/1

N2 - A tripodal hexadentate ligand containing three imidazole groups gives spin-crossover iron complexes in both the +II and the +III oxidation states. The tetrafluoroborate salt of the Fe(II) complex shows a gradual spin transition in the temperature range 110-270 K. The corresponding Fe(III) complex shows a spin transition above 150 K, and at 300 K ca. 87% of the Fe(III) ion is in the high-spin state.

AB - A tripodal hexadentate ligand containing three imidazole groups gives spin-crossover iron complexes in both the +II and the +III oxidation states. The tetrafluoroborate salt of the Fe(II) complex shows a gradual spin transition in the temperature range 110-270 K. The corresponding Fe(III) complex shows a spin transition above 150 K, and at 300 K ca. 87% of the Fe(III) ion is in the high-spin state.

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A tripodal ligand containing three imidazole groups inducing spin crossover in both Fe(II) and Fe(III) complexes; structures and spin crossover behaviors of the complexes

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