Photoacoustic spectra of some biological metal chelates

Photoacoustic spectra of Ni 2+ in three new chelates containing azolo-2,4 pentanedione derivatives have been recorded and analysed in the visible region. The approximate symmetry of Ni 2+ has been found to be octahedral. The d–d transitions in the red region show some similarity with those of nickel...

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Bibliographic Details
Published inSpectrochimica acta. Part A, Molecular and biomolecular spectroscopy Vol. 58; no. 3; pp. 441 - 446
Main Authors Prasad, R.L, Thakur, S.N
Format Journal Article
LanguageEnglish
Published England Elsevier B.V 01.02.2002
Subjects
Acetates - analysis
Acetates - chemistry
Acoustics
Charge-transfer transitions
Chelating Agents - chemistry
d–d transitions
Ligands
Metal chelates
Nickel - analysis
Nickel - chemistry
Nickel - pharmacology
Optical spectrum
Organometallic Compounds - analysis
Organometallic Compounds - chemistry
PA spectrum
Spectrophotometry - methods
Metal chelates
Charge-transfer transitions
Optical spectrum
d–d transitions
PA spectrum
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Summary:Photoacoustic spectra of Ni 2+ in three new chelates containing azolo-2,4 pentanedione derivatives have been recorded and analysed in the visible region. The approximate symmetry of Ni 2+ has been found to be octahedral. The d–d transitions in the red region show some similarity with those of nickel chloride and nickel acetate. In each case two charge-transfer bands appear in the violet region.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:1386-1425
DOI:10.1016/S1386-1425(01)00558-3