Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/56089
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Título : Tuning the Spin Ground State in Heterononanuclear Nickel(II)−Copper(II) Cylinders with a Triangular Metallacyclophane Core
Autor : Dul, Marie-Claire, Ferrando-Soria, J., Pardo, Emilio, Fabelo, Oscar, Pasán, Jorge, Ruiz-Pérez, Catalina
Fecha de publicación : 2010
Editor: American Chemical Society
Citación : Inorganic Chemistry 49(24): 11264-11266 (2010)
Resumen: Two new heterometallic NiIInCuII(9−n) complexes [n = 1 (2) and 2 (3)] have been synthesized following a multicomponent self-assembly process from a n:(3 − n):2:6 stoichiometric mixture of Ni2+, Cu2+, L6−, and [CuL′]2+, where L and L′ are the bridging and blocking ligands 1,3,5-benzenetris(oxamate) and N,N,N′,N′′,N′′-pentamethyldiethylenetriamine, respectively. Complexes 2 and 3 possess a unique cyclindrical architecture formed by three oxamato-bridged trinuclear linear units connected through two 1,3,5-substituted benzenetris(amidate) bridges, giving a triangular metallacyclophane core. They behave as a ferromagnetically coupled trimer of two (2)/one (3) S = 1/2 CuII3 plus one (2)/two (3) S = 0 NiIICuII2 linear units with overall S = 1 NiIICuII8 (2) and S = 1/2 NiII2CuII7 (3) ground states.
Descripción : 3 páginas, 2 figuras, 1 gráfico.-- et al.
Versión del editor: http://dx.doi.org/10.1021/ic102037m
URI : http://hdl.handle.net/10261/56089
ISSN: 0020-1669
DOI: 10.1021/ic102037m
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