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Ferromagnetic Exchange in Two Dicopper(II) Complexes Using a μ-Alkoxo-μ-7-azaindolate Bridge

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journal contribution
posted on 2004-05-03, 00:00 authored by Yi-Chian Chou, Shu-Fei Huang, Rajesh Koner, Gene-Hsiang Lee, Yu Wang, Sasankasekhar Mohanta, Ho-Hsiang Wei
Syntheses, structures, and magnetic properties of two heterobridged μ-alkoxo-μ-7-azaindolate dicopper(II) complexes, [CuII2(L−F)(μ-C7H5N2)] (1) and [CuII2(L−H)(μ-C7H5N2)]·CH3OH (2) (H3L−F = 1,3-bis(3-fluorosalicylideneamino)-2-propanol; H3L−H = 1,3-bis(salicylideneamino)-2-propanol) have been reported. Aside from being a new type of heterobridged complex, 1 and 2 exhibit ferromagnetic interaction (2J = 52 cm-1 for 1 and 33.4 cm-1 for 2) despite orbital complementarity (7-azaindolate HOMO is antisymmetric).