Mössbauer and electronic spectral studies of iron(III) complexes of oximes

The hydroxo-bridge complexes of the type [Fe 2(ligandH) 4(OH) 2] with bidentate nitrogen–oxygen donor ligands, viz. 2-hydroxynaphthaldehydeoxime [hnoH 2], 2-hydroxyacetphenoneoxime [haoH 2], salicylaldooxime [SalH 2], 2-hydroxypropiophenoneoxime [hnoH 2] have been prepared. All the complexes have b...

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Published inSpectrochimica acta. Part A, Molecular and biomolecular spectroscopy Vol. 59; no. 4; pp. 755 - 760
Main Authors Chandra, Sulekh, Sangeetika, Sharma, Sunil Dutta
Format Journal Article
LanguageEnglish
Published England Elsevier B.V 01.03.2003
Subjects
Electronic spectra
Electrons
Fe(III)
Iron - chemistry
Ligands
Magnetic moment
Magnetics
Models, Chemical
Mössbauer
Oximes
Oximes - analysis
Oximes - chemistry
Spectroscopy, Mossbauer - methods
Temperature
Oximes
Mössbauer
Fe(III)
Magnetic moment
Electronic spectra
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Summary:The hydroxo-bridge complexes of the type [Fe 2(ligandH) 4(OH) 2] with bidentate nitrogen–oxygen donor ligands, viz. 2-hydroxynaphthaldehydeoxime [hnoH 2], 2-hydroxyacetphenoneoxime [haoH 2], salicylaldooxime [SalH 2], 2-hydroxypropiophenoneoxime [hnoH 2] have been prepared. All the complexes have been characterized by elemental analysis, magnetic moments, electronic and Mössbauer spectral studies. Mössbauer parameters of the complexes clearly suggest high spin configuration of Fe(III) showing lower magnetic moment to that of the spin only value, i.e. 5.92 BM. It may be due to the antiferromagnetic interaction between Fe(III) centers.
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ISSN:1386-1425
DOI:10.1016/S1386-1425(02)00238-X