论文信息 - Spectres Raman de Résonance de la Diéthylcyanine

Spectres Raman de Résonance de la Diéthylcyanine

The resonance Raman spectra of aqueous solutions of the diettylcyanine ion are recorded from 100–4000 cm−1 using all the exciting lines of an Ar+ laser and the 6328 A line of a HeNe laser. Experimental results, intensities and depolarization ratios, are discussed using Albrecht's theory. The calculated and experimental intensity laws obtained for some normal modes are analysed. An assignment of all the Raman bands is proposed, based upon comparison with infrared spectra and the results of a normal modes calculation.

M. Forel | T. Mejean

[1] R. Graves,et al. Aggregation of 1,1'-diethyl-2,2'-cyanine chloride as studied by nuclear magnetic resonance , 1975 .

[2] B. Schrader,et al. Calibration of the absolute spectral response of Raman spectrometers , 1974 .

[3] T. Spiro,et al. A Circulating Sample Cell for Temperature Control in Resonance Raman Spectroscopy , 1974 .

[4] M. Forel,et al. Détermination d’un champ de force de valence et des modes normaux de vibration du benzène et de ses dérivés deutériés , 1974 .

[5] K. Nakatsu,et al. Crystal structures of two photographic sensitizing dyes, 1,1′-diethyl-2,2′-cyanine bromide and 1,1′-diethyl-4,4′-cyanine bromide , 1971 .

[6] H. Bernstein,et al. A Cell for Resonance Raman Excitation with Lasers in Liquids , 1971 .

[7] W. Cooper. Multiplet structure of aggregated states in 1,1′-diethyl-2,2′-cyanine dye , 1970 .

[8] A. C. Albrecht. ``Forbidden'' Character in Allowed Electronic Transitions , 1960 .

[9] Elmer Hutchisson,et al. Band Spectra Intensities for Symmetrical Diatomic Molecules , 1930 .