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A Bis(μ-oxido)dinickel(III) Complex with a Triplet Ground State.

作者信息

Morimoto Yuma, Takagi Yusaku, Saito Toru, Ohta Takehiro, Ogura Takashi, Tohnai Norimitsu, Nakano Motohiro, Itoh Shinobu

机构信息

Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan.

Department of Biomedical Information Sciences, Graduate School of Information Sciences, Hiroshima City University, 3-4-1 Ozuka-Higashi, Asa-Minami-Ku, Hiroshima, 731-3194, Japan.

出版信息

Angew Chem Int Ed Engl. 2018 Jun 25;57(26):7640-7643. doi: 10.1002/anie.201802779. Epub 2018 May 22.

DOI:10.1002/anie.201802779
PMID:29693754
Abstract

A bis(μ-oxido)dinickel(III) complex was synthesized and characterized by single crystal X-ray diffraction, resonance Raman, and ESI-mass measurements. Magnetic susceptibility measurements by SQUID and EPR spectroscopy reveal that the complex has a triplet ground state, which is unprecedented for high-valent metal (M) complexes with [M (μ-O) ] diamond core. DFT studies indicate ferromagnetic coupling of the nickel(III) centers. The complex exhibits hydrogen abstraction reactivity and oxygenation reactivity toward external substrates.

摘要

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