Issue 62, 2017

Strong ferromagnetic exchange coupling in a {Ni II4} cluster mediated through an air-stable tetrazine-based radical anion

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

Supplementary files

Article information

Article type
Communication
Submitted
12 Jun 2017
Accepted
07 Jul 2017
First published
07 Jul 2017

Chem. Commun., 2017,53, 8660-8663

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, 53, 8660 DOI: 10.1039/C7CC04554A

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