Spectroscopic study of a bis(imidazole)(octaethylporphyrinato)iron(III) complex

Spectroscopic study of a bis(imidazole)(octaethylporphyrinato)iron(III) complex

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Spectroscopic study of a bis(imidazole)(octaethylporphyrinato)iron(III) complex

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punktacja MEiN [2013 A]: 15

title:	Spectroscopic study of a bis(imidazole)(octaethylporphyrinato)iron(III) complex
author:	Rutkowska Iwona, Dzilinski Kazimierz, Kaczmarzyk Tomasz, Stanek Jan
journal title:	Nukleonika
title of volume:	Proceedings of the 2nd Electron Magnetic Resonance Forum EMR-PL 16-18 May 2012, Częstochowa-Hucisko, Poland
volume:	58
issue:	3
date of publication :	2013
pages:	419-423
ISSN:	0029-5922
eISSN:	1508-5791
URL:	http://www.nukleonika.pl/www/back/full/vol58_2013/v58n3p419f.pdf
date accessed:	2015-06-23
language:	English
journal language:	English
abstract in English:	Low-spin ferric octaethylporphyrinatoiron complex with two imidazole axial ligands [Fe(III)(OEP)(Im)_{2}]^{+} has been investigated by electron paramagnetic resonance (EPR) and Mossbauer spectroscopies. It was found that the ground spin state corresponds to the electron configuration (dxy)^{2} (dxz, dyz)^{3} and planes of the imidazole axial ligands have a parallel mutual orientation. Ethyl groups bonded to pyrrole rings, as peripheral substituents, effect on the ground electron spin state of the complex studied and the relative orientation of the the imidazole axial ligands in a similar way like the phenyl substituents bonded to meso-carbon atoms of the porphyrin macrocycle. The temperature dependence of the Mossbauer spectra is discussed in terms of magnetic relaxation processes.
keywords in English:	electron paramagnetic resonance (EPR) spectroscopy, imidazole axial ligands, low-spin iron porphyrin, Mössbauer spectroscopy
affiliation:	Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego
type:	journal article
subtype:	academic paper

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