Synthesis, molecular structure, and properties of six-coordinate iron(III) porphyrin, [OEPFe(Pz)2]ClO4 |
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| Authors: | Mozhgan Khorasani-Motlagh Meissam Noroozifar Atena Naeimi |
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| Affiliation: | a Department of Chemistry, University of Sistan and Baluchestan, P.O. Box 98155-147, Zahedan, Iran
b Department of Chemistry, University of British Columbia, Vancouver, Canada |
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| Abstract: | The effect of pyrazine as axial ligand on the formation and coordination of heme analogue has been studied. A new six coordinate and stable iron(III) heme analogue, [OEPFeIII(Pz)2]ClO4, where OEP is octaethylporphyrin and Pz is pyrazine, has been isolated. The compound has been characterized by different spectroscopic methods 1H NMR, UV-Vis, IR as well as elemental analysis. 1H NMR spectroscopy and magnetic moment measurements show that [OEPFeIII(Pz)2]ClO4 is paramagnetic and iron is six coordinate. The structure of [OEPFeIII(Pz)2]ClO4 has been determined by X-ray diffraction analysis. The four Fe-Np, bond distances have average values of 1.985 Å. |
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| Keywords: | Iron(III) Porphyrins Pyrazine Axial ligand Electrochemistry |
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