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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Solvent effect on MCD of Fe(III) heme complexes: magnetic circular dichroism spectra of five-coordinated high-spin iron(III) protoporphyrin-IX-dimethylester in the visible region and their environmental effect. A characterization of the visible electronic transitions in Fe(III) high-spin porphyrins.

Magnetic circular dichroism (MCD) spectra were observed to characterize the nature of the visible bands for high-spin Fe(III) protoheme derivatives with p-nitrothiophenolate, p-nitrophenolate, and methoxy anion as the fifth ligands in several solvents. The visible MCD bands for p-nitrophenolate heme were very sensitive to the solvent polarity, but that those for p-nitrothiophenolate heme and methoxy heme were not dependent on solvent polarity. Thus, both the two visible MCD band positions and the magnitudes were dependent on ET value (a solvent polarity parameter) in the former complex, but not in the latter two complexes. The results are consistent with previously proposed electronic structures of high-spin Fe(III) heme complexes.[1]

References

  1. Solvent effect on MCD of Fe(III) heme complexes: magnetic circular dichroism spectra of five-coordinated high-spin iron(III) protoporphyrin-IX-dimethylester in the visible region and their environmental effect. A characterization of the visible electronic transitions in Fe(III) high-spin porphyrins. Ookubo, S., Nozawa, T., Hatano, M. J. Inorg. Biochem. (1989) [Pubmed]
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