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

In: Chemistry Letters, Vol. 33, No. 3, 01.03.2004, p. 350-351.

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

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AU - Iijima, Seiichiro

AU - Akashi, Haruo

AU - Matsumoto, Naohide

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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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