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Synthesis and crystal structure of tetraiminediphenolate diiron(II) macrocyclic complex

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Abstract

The crystal structure of the binuclear tetraiminediphenolate diiron(II) macrocyclic complex [Fe2(tidf)(CH3OH)4](ClO4)2 (tidf = tetraiminediphenolate ligand) is presented. The molecular structure (monoclinic, space group C2/c, Z = 4, a = 20.6903(14)Å, b = 11.0827(11) Å, c = 16.0494(15) Å, β = 99.911(6) shows two iron(II) cores occupying distorted octahedral geometries with four methanol molecules bound axially. Main equatorial bond distances are 2.050(3) Å for Fe—O1 and 2.067(4) Å for Fe—N1 with a Fe⋅⋅⋅ Fe distance of 3.108(1) Å. Contrasting to the monoiron complex the macrocycle does not adopt a bent conformation being nearly coplanar with the maximum deviation from the least-squares plane of 0.18 Å.

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Authors and Affiliations

  1. Departamento de Química, Universidade Federal do Paraná, Centro Politécnico, C. P. 19081, 81531-990, Curitiba, PR, Brasil

    Angela C. Raimondi & Fábio S. Nunes

  2. School of Chemistry, Physics and Environmental Science, University of Sussex, Brighton, BN1 9QJ, United Kingdom

    Peter B. Hitchcock & G. Jeffery Leigh

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  1. Angela C. Raimondi
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  2. Peter B. Hitchcock
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  3. G. Jeffery Leigh
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  4. Fábio S. Nunes
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Correspondence to Fábio S. Nunes.

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Raimondi, A.C., Hitchcock, P.B., Leigh, G.J. et al. Synthesis and crystal structure of tetraiminediphenolate diiron(II) macrocyclic complex. Journal of Chemical Crystallography 34, 83–87 (2004). https://doi.org/10.1023/B:JOCC.0000014693.87921.e2

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  • DOI: https://doi.org/10.1023/B:JOCC.0000014693.87921.e2

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