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Title: Synthesis and characterization of iron (II, III) complexes of 3-hydroxy-benzaldehyde isonicotinic acid hydrazone
Authors: Reddy, P Mallikarjuna
Kumar, K Anil
Raju, K Mohan
Murthy, N Manohara
Issue Date: Nov-2000
Publisher: NISCAIR-CSIR, India
Abstract: Fe(II) and Fe(III) complexes of 3-hydroxybenzaldehyde isonicotinic acid hydrazone (3-HBINAH) have been synthesized and characterized by elemental analyses, magnetic susceptibility, electronic, IR, ESR, Mossbauer and XRD studies. The IR spectral studies indicate that nitrogen of azomethine and the oxygen of carbonyl group of the ligand participate in coordination in both the complexes while giving no evidence for the presence of lattice, or coordinated water. The presence of unidentate sulphate, (NH4)+ ion in iron(II) complex and Fe-Cl bonds in iron(III) complex are also indicated. The Mossbauer, electronic and electron spin resonance spectral studies and magnetic susceptibility measurements suggest octahedral geometry probably with a slight distortion to both the complexes. The X-ray powder diffraction data indicate that both the Fe(II) and Fe(III) complexes belong to the tetragonal crystal systems.
Page(s): 1182-1186
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.39A(11) [November 2000]

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