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Quinoxaline radical-bridged transition metal complexes with very strong antiferromagnetic coupling

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Abstract

A new family of radical-bridged compounds, (Cp*2Co)[M2Cl4(dpq)] (M = Fe (1), Co (2), Zn (3)), (dpq = 2,3-di(2-pyridyl)-quinoxaline) is reported. Magnetic studies, DFT and ab initio calculations reveal strong antiferromagnetic metal–radical interactions with coupling constants of J = −213.1 and −218.8 cm−1 for 1 and 2, respectively.

Graphical abstract: Quinoxaline radical-bridged transition metal complexes with very strong antiferromagnetic coupling

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Article information


Submitted
25 May 2020
Accepted
29 Jun 2020
First published
29 Jun 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Quinoxaline radical-bridged transition metal complexes with very strong antiferromagnetic coupling

D. I. Alexandropoulos, K. R. Vignesh, H. Xie and K. R. Dunbar, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC03713C

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