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Strong ferromagnetic exchange coupling in a {Ni-4(II)} cluster mediated through an air-stable tetrazine-based radical anion
Journal article   Peer reviewed

Strong ferromagnetic exchange coupling in a {Ni-4(II)} cluster mediated through an air-stable tetrazine-based radical anion

Maykon A. Lemes, Gabriel Brunet, Amelie Pialat, Liviu Ungur, Ilia Korobkov and Muralee Murugesu
Chemical communications (Cambridge, England), Vol.53(62), pp.8660-8663
11/08/2017
DOI: https://doi.org/10.1039/c7cc04554a
PMID: 28718476

Abstract

Chemistry Chemistry, Multidisciplinary Physical Sciences Science & Technology
A planar tetradentate 3,6-bis(2-pyrimidyl)-1,2,4,5-tetrazine (BpymTz) templating chelate affords the formation of an unprecedented BpymTz(center dot-) radical anion bridged {Ni-4(II)} complex. Detailed magnetic measurements performed on the isolated air stable [Ni-4(II)(BpymTz(center dot-))-Cl-6( DMF) 8] Cl center dot 0.5(H2O) compound reveal strong ferromagnetic Ni-II-BpymTz(center dot-)interactions with a coupling constant of J= 98.84cm(-1).

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