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

Maykon A LemesGabriel BrunetAmélie PialatLiviu UngurIlia KorobkovMuralee Murugesu

Published in: Chemical communications (Cambridge, England) (2017)

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 {Ni} complex. Detailed magnetic measurements performed on the isolated air stable [Ni(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.

Keyphrases

room temperature
ionic liquid
metal organic framework
transition metal
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