A one-pot reaction of Ni(ClO4)2·6H2O, N,N-dimethylethylenediamine (dmen) or 2-aminoethylpyridine (aep) and NaN3 affords the two [Ni(dmen)(µ-Na3)2]n1 and [Ni(aep)(µ-N3)2]n2 chains with unprecedented alternating end-on and end-to-end bridging loops perpendicular to one another; magnetic susceptibility measurements indicate that they are the first two ferro–antiferromagnetic alternating chains of NiII.
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Ribas et al. (1995) studied this question.
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