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Strong ferromagnetic exchange coupling in a {NiII4} cluster mediated through an air-stable tetrazine-based radical anion

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Abstract

A planar tetradentate 3,6-bis(2-pyrimidyl)-1,2,4,5-tetrazine (BpymTz) templating chelate affords the formation of an unprecedented BpymTz˙ radical anion bridged {NiII4} complex. Detailed magnetic measurements performed on the isolated air stable [NiII4(BpymTz˙)Cl6(DMF)8]Cl·0.5(H2O) compound reveal strong ferromagnetic NiII–BpymTz˙ interactions with a coupling constant of J = 98.84 cm−1.

Graphical abstract: Strong ferromagnetic exchange coupling in a {NiII4} cluster mediated through an air-stable tetrazine-based radical anion

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Publication details

The article was received on 12 Jun 2017, accepted on 07 Jul 2017 and first published on 07 Jul 2017


Article type: Communication
DOI: 10.1039/C7CC04554A
Citation: Chem. Commun., 2017, Advance Article
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    Strong ferromagnetic exchange coupling in a {NiII4} cluster mediated through an air-stable tetrazine-based radical anion

    M. A. Lemes, G. Brunet, A. Pialat, L. Ungur, I. Korobkov and M. Murugesu, Chem. Commun., 2017, Advance Article , DOI: 10.1039/C7CC04554A

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