Ferromagnetic exchange-coupling interactions mediated by siloxanolate ligands have been detected in the two nickel(II) nanoscale clusters Na2[(PhSiO2)6Na4Ni4(OH)2(O2SiPh)6]. 16Bu(n)OH (1) and Na2[(PhSiO2)6Ni6(O2SiPh)6Cl].12CH3OH. H2O (2), which qualify as interesting precursors for new molecule-based magnetic materials. Complex 1 has an S = 4 spin ground state, whereas complex 2 has an S = 0 spin ground state. due to the presence of additional antiferromagnetic interactions through the encapsulated mu(6)-chloride ion.
Molecule-Based Magnets: Ferro- and Antiferromagnetic Interactions in Nickel(II) Cyclohexasiloxanolate Sandwich Complexes / Cornia, Andrea; FABRETTI COSTANTINO, Antonio; D., Gatteschi; Palyi, Gyula; E., Rentschler; O. I., Shchegolikhina; A. A., Zhdanov. - In: INORGANIC CHEMISTRY. - ISSN 0020-1669. - STAMPA. - 34:(1995), pp. 5383-5387.
Molecule-Based Magnets: Ferro- and Antiferromagnetic Interactions in Nickel(II) Cyclohexasiloxanolate Sandwich Complexes
CORNIA, Andrea;FABRETTI COSTANTINO, Antonio;PALYI, Gyula;
1995
Abstract
Ferromagnetic exchange-coupling interactions mediated by siloxanolate ligands have been detected in the two nickel(II) nanoscale clusters Na2[(PhSiO2)6Na4Ni4(OH)2(O2SiPh)6]. 16Bu(n)OH (1) and Na2[(PhSiO2)6Ni6(O2SiPh)6Cl].12CH3OH. H2O (2), which qualify as interesting precursors for new molecule-based magnetic materials. Complex 1 has an S = 4 spin ground state, whereas complex 2 has an S = 0 spin ground state. due to the presence of additional antiferromagnetic interactions through the encapsulated mu(6)-chloride ion.Pubblicazioni consigliate
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