X-ray diffraction (powder), e.s.r. and other spectral studies oftris[methylenebis(diphenylphosphine oxide)]iron(III) perchlorate |
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Authors: | Tarlok S Lobana Hardip S Cheema Sarjit S Sandhu |
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Institution: | (1) Department of Chemistry, Guru Nanak Dev University, 143005 Amritsar, India |
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Abstract: | Summary Bifunctional methylenebis(diphenylphosphine oxide) (mdpo) on reaction with iron(III) perchlorate forms the complex, Fe(mdpo)3](ClO4)3 · H2O. This has been characterized through elemental analysis, i.r., far-i.r., u.v. and visible spectroscopy and by x-ray diffraction, magnetic moment, molar conductance and e.s.r. data. The e.s.r. spectrum consists of five lines with transitions from: ¦–5/2![rang](/content/k641qn50203n2175/xxlarge9002.gif) ¦–3/2 ¦–3/2![rang](/content/k641qn50203n2175/xxlarge9002.gif) ¦–1/2 , ¦–1/2![rang](/content/k641qn50203n2175/xxlarge9002.gif) ¦+1/2 ¦+1/2![rang](/content/k641qn50203n2175/xxlarge9002.gif) ¦+3/2 and ¦+3/2![rang](/content/k641qn50203n2175/xxlarge9002.gif) ¦+5/2 centred at a g-value of 2.00. On the basis of these studies, a chelated octahedral structure has been assigned to the cation, Fe(mdpo)3]3+. |
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