Hyperfine Interactions

, Volume 52, Issue 4, pp 329–334 | Cite as

Ferrous porphyrins with an “unusually” large quadrupole splitting

  • K. Drabent
  • L. Latos-Grazynski
  • A. Wysłouch


High-spin ferrous metalloporphyrins FeII(NCH3TPP)Cl, FeII(NCH3TPP)Br, FeII(NCH3TPP)ClO4, and FeII(NCH3OEP)Cl(NCH3TPP-N-methyltetraphenylporphyrin, NCH3OEP-N-methyloctaethylporphyrin) have been characterized by Mössbauer spectroscopy. Values ofIS (0.8 mm/s versus α-Fe) typical for high-spin ferrous porphyrin and very large quadrupole splittings (≊4 mm/s) have been observed. Iron(II) N-methylporphyrins should be readily detected in proteins by means of Mössbauer spectroscopy. Such parameters are similar to those of symmetrical anionic five coordinate high-spin porphyrins [FeII(TPP)X] (X-halide).


Iron Spectroscopy Thin Film Porphyrin Quadrupole Splitting 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© J.C. Baltzer AG, Scientific Publishing Company 1989

Authors and Affiliations

  • K. Drabent
    • 1
  • L. Latos-Grazynski
    • 1
  • A. Wysłouch
    • 1
  1. 1.Institute of ChemistryUnivesity of WroclawWroclawPoland

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