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.
Ab is(m-oxido)dinickel(III) complex was synthesized and characterized by single crystal X-ray diffraction, resonance Raman, and ESI-mass measurements.M agnetic susceptibility measurements by SQUIDand EPR spectroscopy reveal that the complex has at riplet ground state,w hich is unprecedented for high-valent metal (M) complexes with [M 2 (m-O) 2 ]diamond core.DFT studies indicate ferromagnetic coupling of the nickel(III) centers.T he complex exhibits hydrogen abstraction reactivity and oxygenation reactivity towarde xternal substrates.
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