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Synthesis and crystal structure of a novel tetraiminediphenolate iron(II) macrocyclic complex: A six-coordinate iron–protein model

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Abstract

A novel tetraiminediphenolate iron(II) macrocyclic complex [Fe(tidf)(CH3OH)2](NO3)2 (1) has been prepared and characterized by microanalysis, X-ray crystallography, FTIR spectroscopy, and mass spectrometry. The crystal structure (monoclinic, space group C2/c, Z=8, a = 26.8573(6) Å, b = 10.6551(4) Å, c = 23.5371(7) Å, β = 107.450(2)°) shows that the iron(II) occupies a distorted octahedral geometry with two methanol molecules bound axially. The macrocyclic ligand is very flexible and adopts a butterfly conformation with a dihedral angle of 112°.

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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

Authors
  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 a novel tetraiminediphenolate iron(II) macrocyclic complex: A six-coordinate iron–protein model. Journal of Chemical Crystallography 32, 363–367 (2002). https://doi.org/10.1023/A:1020261319440

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