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Spectroscopic investigation of neutral and reduced forms of Fe-monoazaporphyrins

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Abstract

The results of an investigation into neutral Fe-monoazaetioporphyrin (FeMAEP) and its reduced forms carried out using the methods of absorption spectroscopy, EPR, and Mössbauer spectroscopy are presented. It is shown that at room and liquid nitrogen temperatures in an initial complex a spin state of Fe(III) is implemented, which is the result of a quantum-mechanical mixing of two spin states (S=5/2, S=3/2). The absorption spectra of the reduced forms [(FeMAEP)n−, n=1, 2, 3] are similar to those of anions of other Fe-porphyrins; in the EPR spectra of Fe(I)MAEP lines of a hyperfine structure are observed that are sensitive to a solvent.

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Authors and Affiliations

  1. Chestochowa Polytechnic Institute, Poland

    K. Dziliński

  2. Institute of Molecular and Atomic Physics, National Academy of Sciences of Belarus, Minsk, Belarus

    G. N. Sinyakov & A. M. Shul'ga

Authors
  1. K. Dziliński
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  2. G. N. Sinyakov
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  3. A. M. Shul'ga
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Additional information

Reported at the VIIIth International Conference on Spectroscopy of Porphyrins and Their Analogs, Minsk, September 22–26, 1998.

Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 66, No. 4, pp. 515–518, July–August, 1999.

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Dziliński, K., Sinyakov, G.N. & Shul'ga, A.M. Spectroscopic investigation of neutral and reduced forms of Fe-monoazaporphyrins. J Appl Spectrosc 66, 566–569 (1999). https://doi.org/10.1007/BF02675387

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  • DOI: https://doi.org/10.1007/BF02675387

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