A Ferromagnetic Material and an Antiferromagnetic Material


[bis(μ2-azido-N,N)-tetra-azido-di-iron(III)] tetraanion

Two Iron(III) d5 centers that are ferromagnetically coupled
S = 5 at low temperature (note S = ∑ ms for all the electrons)
Potenially useful Viewing Commands:

CCDC Code: RIJLAX
G. DeMunno, T. Poerio, G. Viau, M. Julve, F.Lloret
Angew. Chem. Int. Ed., Vol 36, 1997, p. 1459

bis(3-hydroxy-3-methylglutarato-O,O')oxo-vanadium(IV) dianion

Two Vanadium(IV) d1 centers that are antiferromagnetically coupled
S = 0 at low temperature
Potenially useful Viewing Commands:

CCDC Code: YIKZAT
S.L.Castro, M.E.Cass, F.J.Hollander, S.L.Bartley
Inorg. Chem., Vol 34, 1995, p. 466.