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May 23, 2009Chemistry Letters

Magnetic Properties of Iron(II) and Cobalt(II) Complexes of Tetrakis(2-pyridyl)methane. Spin-crossover Behavior in the Cobalt(II) Complex

Ryuta Ishikawa Kouzou Matsumoto Kōji Onishi Takashi Kubo Akira Fuyuhiro Shinya Hayami Katsuya Inoue Sumio Kaizaki Satoshi Kawata

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Abstract

Iron(II) and cobalt(II) mononuclear metal complexes with tetrakis(2-pyridyl)methane have been synthesized and characterized. A gradual spin-crossover to the high-spin state above 300 K is observed in the cobalt(II) complex while the iron(II) complex exhibits no spin transition to the high-spin state between 5 and 400 K.

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Ishikawa et al. (2009) studied this question.

synapsesocial.com/papers/6a9dfd68e2d0fc9581be5a04 https://doi.org/10.1246/cl.2009.620

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