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Infrared, Raman and pre‐resonance Raman spectra of vanadyl(IV) tetraphenylporphyrin
Author(s) -
Baran E. J.,
Jubert A. H.,
Ferrer E. G.
Publication year - 1992
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.1250230905
Subject(s) - raman spectroscopy , tetraphenylporphyrin , chemistry , resonance (particle physics) , infrared , analytical chemistry (journal) , fermi resonance , excitation , infrared spectroscopy , spectral line , metal , molecular vibration , photochemistry , atomic physics , porphyrin , optics , physics , organic chemistry , quantum mechanics , astronomy , chromatography
The infrared and Raman spectra of vanadyl(IV) tetraphenylporphyrin were recorded between 1600 and 200 cm −1 . Assignment of most of the vibrational modes was done by comparison with other related compounds. The VN and VO metal—ligand vibrations could be clearly identified. Pre‐resonance experiments were performed, using different radiation from an argon ion laser, in the energy range between the main electronic transitions of the complex [the Soret band and the (α + β) doublet]. Analysis of the excitation profiles suggests that all the enhanced bands contribute to both the A and B terms of Albrecht's equation.