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Issue 20, 2020
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Strong antiferromagnetic coupling of the cobalt(ii)–semiquinone radical in a dinuclear complex with 2,2′-bipyrimidine ligands

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Abstract

In this study, a new dinuclear cobalt(II)–radical complex [Co2(3,5-DBSQ)4(bpym)]·(3,5-DBCatH2)4 (1) (3,5-DBSQ = 3,5-di-tert-butylsemiquinone, 3,5-DBCatH2 = 3,5-di-tert-butylcatecholato, bpym = 2,2′-bipyrimidine) was synthesized and characterized using single-crystal X-ray crystallography. Simulated results indicated relatively strong antiferromagnetic exchange coupling between cobalt(II) centers and semiquinone radical ligands.

Graphical abstract: Strong antiferromagnetic coupling of the cobalt(ii)–semiquinone radical in a dinuclear complex with 2,2′-bipyrimidine ligands

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Supplementary files

Article information


Submitted
13 Feb 2020
Accepted
29 Apr 2020
First published
29 Apr 2020

New J. Chem., 2020,44, 8471-8476
Article type
Paper

Strong antiferromagnetic coupling of the cobalt(II)–semiquinone radical in a dinuclear complex with 2,2′-bipyrimidine ligands

J. Wang, J. Dai, Z. Li and M. Yamashita, New J. Chem., 2020, 44, 8471
DOI: 10.1039/D0NJ00767F

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