Abstract
The coordination chemistry of 2-salicyloylhydrazono-1,3-dithiane (H2L) was studied with manganese and iron ions. The following complexes have been isolated as crystalline materials, and their crystal structures have been determined by single crystal X-Ray crystallography: MnIII(acac)(HL)2 (1) (acac = acetylacetonate), MnIII(HL)3·CH2Cl2 (2), FeIII(HL)3·2CHCl3 (3), FeII(H2L)2Cl2·2CH3OH (4), FeIII2(μ-OMe)2(HL)4·0.5CH3OH (5), FeIII2(μ-O) (HL)4·3CH2Cl2 (6). All attempts to synthesize the dinuclear μ-methoxo complex [MnIII2(μ-OMe)2(HL)4] have so far failed, even when the procedure used in the case of 2-salicyloylhydrazono-1,3-dithiolane (H2L′) ligand, which worked very efficiently, was employed. The new iron dinuclear μ-methoxo complex (5) presented in this study shows antiferromagnetic intramolecular coupling (J = −21.1 cm−1), which is in agreement with the theoretical study proposed previously for its manganese analogue.
Published Version
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