Isolation and crystal structure of a peroxo-bridged heme-copper complex

Takefumi Chishiro; Yuichi Shimazaki; Fumito Tani; Yoshimitsu Tachi; Yoshinori Naruta; Satoru Karasawa; Shinya Hayami; Yonezo Maeda

doi:10.1002/anie.200351415

Isolation and crystal structure of a peroxo-bridged heme-copper complex

Takefumi Chishiro, Yuichi Shimazaki, Fumito Tani, Yoshimitsu Tachi, Yoshinori Naruta, Satoru Karasawa, Shinya Hayami, Yonezo Maeda

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

101 Citations (Scopus)

Abstract

A stable bridge: A peroxo-bridged Fe-O₂-Cu complex (see picture) was synthesized and isolated as crystals. The X-ray structure analysis revealed that the Fe-O₂-Cu moiety has a μ-η²:η¹ coordination mode; a peroxo ligand is bound to Fe in a side-on fashion with only one oxygen atom of the peroxide bound to Cu. The two metal ions (high-spin Fe^III and Cu^II) were strongly coupled in an antiferromagnetic fashion, thus resulting in a total spin of S = 2.

Original language	English
Pages (from-to)	2788-2791
Number of pages	4
Journal	Angewandte Chemie - International Edition
Volume	42
Issue number	24
DOIs	https://doi.org/10.1002/anie.200351415
Publication status	Published - Jun 23 2003

All Science Journal Classification (ASJC) codes

Catalysis
Chemistry(all)

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AU - Chishiro, Takefumi

AU - Shimazaki, Yuichi

AU - Tani, Fumito

AU - Tachi, Yoshimitsu

AU - Naruta, Yoshinori

AU - Karasawa, Satoru

AU - Hayami, Shinya

AU - Maeda, Yonezo

PY - 2003/6/23

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N2 - A stable bridge: A peroxo-bridged Fe-O2-Cu complex (see picture) was synthesized and isolated as crystals. The X-ray structure analysis revealed that the Fe-O2-Cu moiety has a μ-η2:η1 coordination mode; a peroxo ligand is bound to Fe in a side-on fashion with only one oxygen atom of the peroxide bound to Cu. The two metal ions (high-spin FeIII and CuII) were strongly coupled in an antiferromagnetic fashion, thus resulting in a total spin of S = 2.

AB - A stable bridge: A peroxo-bridged Fe-O2-Cu complex (see picture) was synthesized and isolated as crystals. The X-ray structure analysis revealed that the Fe-O2-Cu moiety has a μ-η2:η1 coordination mode; a peroxo ligand is bound to Fe in a side-on fashion with only one oxygen atom of the peroxide bound to Cu. The two metal ions (high-spin FeIII and CuII) were strongly coupled in an antiferromagnetic fashion, thus resulting in a total spin of S = 2.

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Isolation and crystal structure of a peroxo-bridged heme-copper complex

Abstract

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