A decacopper(II) cluster. Clusters (shown in blue) can be expanded and their magnetic properties tuned by the addition of suitable metal-complex ligands (shown in green). By using this method, [Cu6{(PhSiO2)6}2{(NC)Cu(tmpa)}4](PF6)4 was rationally designed by self-assembly of four {(NC)Cu(tmpa)}+ units around a robust hexacopper(II)-siloxanolate cage (tmpa=tris(2-pyridylmethyl)amine).
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Abbati et al. (2002) studied this question.
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