Redox-noninnocence of N,N′-bis(6-methyl-2-pyridylmethylene)ethane-1,2-diamine (L): synthesis and characterization of diamagnetic [NiII2(L˙˙)2] and [ZnII2(L)Cl4]((L˙˙)2−π diradical dianion of L)

Literature Information

Publication Date 2009-08-27
DOI 10.1039/B912604J
Impact Factor 6.222
Authors

Amrita Mondal, Thomas Weyhermüller, Karl Wieghardt


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Abstract

The synthesis of two diamagnetic dinuclear complexes [NiII2(L˙˙)2] (1) and [ZnII2(L)Cl4] (2) and an octahedral, paramagnetic, mononuclear complex [FeII(L)Cl2] (3) (S = 2) is reported; the tetradentate ligand N,N′-bis(6-methyl-2-pyridylmethylene)ethane-1,2-diamine, L, is shown to be redox noninnocent. It exists in its neutral closed-shell form L in 2 and 3 and in its dianionic diradical form, (L˙˙)2−, in 1.

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