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Thermodynamic Study on Reaction of Tetra Sulfona to Phenyl Porphyrin Iron (II) Complex With Different Nitrogenous Ligands | ||
| Journal of University of Anbar for Pure Science | ||
| Article 4, Volume 9, Issue 1, 2015, Pages 18-23 PDF (708.13 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.37652/juaps.2015.124203 | ||
| Authors | ||
| Jihad A. Taies* ; Riyath M. Dalaf | ||
| University of Anbar – College of Education for Pure Science | ||
| Abstract | ||
| The binding characteristics of number of axial aliphatic amines ligands were studied with Fe(ll)TPPS4 complex in aqueous solutions at hiqh PHs > 12.5 . All formed low spin octahedral complexes . Electronic absorption , ΔH , ΔG , and ΔS of these complexes have been reported and Calculated . The Path way for the axial ligation on addition of ligand to Fe(ll)TPPS4 is shown in one step . Hill Plots used to obtain the formation constants ( KF) and ( n ) number of axial ligands bonded to the iron(ll) ion . It has been found low values of the KF for these ligands comparing to those recorded in organic solvents may be due to the polar solvent , and these values ( KF) more higher than that recorded for aromatic amine with the same complex and solvents due to steric effect of the size of porphyrin ring . | ||
| Keywords | ||
| thermodynamic; Tetra; aliphatic amines | ||
| References | ||
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