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Darstellung und Eigenschaften von Vanadyl(IV)-Saccharinat (1993)

Ferrer, E. G. ; Etcheverry, S. B. ; Baran, E. J.

Springer

Monatshefte für Chemie 124 (1993), S. 355-366

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ISSN: 1434-4475

Keywords: Vanadyl(IV) saccharinate ; IR spectra ; Electronic spectra ; Magnetic and thermal behaviour

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Summary The synthesis of a new vanadyl(IV)/saccharin complex is reported. Its bonding characteristics differ considerably from all known divalent metal-saccharinates. In this complex a VO(OH)+ moiety is coordinated to a saccharin molecule through its carbonyl oxygen and to a saccharinate ion through its deprotonated nitrogen. Two water molecules complete the coordination sphere. X-ray powder diagrams, infrared- and electronic absorption-spectra were recorded and analyzed for the characterization of the compound and its coordination properties. Besides, the magnetic susceptibility and the thermal behaviour were also investigated.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00814132

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Infrared, Raman and pre-resonance Raman spectra of vanadyl(IV) tetraphenylporphyrin (1992)

Baran, E. J. ; Jubert, A. H. ; Ferrer, E. G.

Chichester [u.a.] : Wiley-Blackwell

Journal of Raman Spectroscopy 23 (1992), S. 489-494

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ISSN: 0377-0486

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Physics

Notes: 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 V—N and V=O 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.

Additional Material: 4 Ill.