Contributions of Symmetric and Asymmetric Normal Coordinates to the Intervalence Electronic Absorption and Resonance Raman Spectra of a Strongly Coupledp-Phenylenediamine Radical Cation

2003 ◽  
Vol 125 (19) ◽  
pp. 5939-5947 ◽  
Author(s):  
Susan E. Bailey ◽  
Jeffrey I. Zink ◽  
Stephen F. Nelsen
Keyword(s):  
Raman Spectra ◽  
Radical Cation ◽  
Electronic Absorption ◽  
Resonance Raman ◽  
Normal Coordinates ◽  
Resonance Raman Spectra

scholarly journals The Radical Cation of Bithiophene: An Experimental and Theoretical Study

1999 ◽  
Vol 19 (1-4) ◽  
pp. 393-396 ◽  
Author(s):  
T. Keszthelyi ◽  
M. M.-L. Grage ◽  
R. Wilbrandt ◽  
C. Svendsen ◽  
O. S. Mortensen
Keyword(s):  
Raman Spectra ◽  
Radical Cation ◽  
Density Functional ◽  
Resonance Raman ◽  
Density Functional Theory Calculations ◽  
Electron Transfer Reaction ◽  
Acetonitrile Solution ◽  
Γ Irradiation ◽  
Absorption Bands ◽  
Resonance Raman Spectra

The electronic absorption spectrum of the bithiophene radical cation prepared by γ-irradiation in a glassy Freon matrix is presented, together with the Raman spectra excited at 550 and 425 nm, in resonance with the two absorption bands. The 425 nm excited Raman spectrum was also recorded in a room temperature acetonitrile solution, in this case the radical cation was generated via a photoinduced electron transfer reaction. The resonance Raman spectra were interpreted with the help of density functional theory calculations. The results indicate the existence of at least two rotamers of the bithiophene radical cation. The time-domain method was applied to the simultaneous fitting of the absorption and resonance Raman spectra.

Resonance Raman spectra of the N,N - dihydro-4,4′-bipyridinium radical cation

1987 ◽  
Vol 18 (6) ◽  
pp. 443-445 ◽  
Author(s):  
David J. Barker ◽  
Ralph P. Cooney ◽  
Lindsay A. Summers
Keyword(s):  
Raman Spectra ◽  
Radical Cation ◽  
Resonance Raman ◽  
Resonance Raman Spectra
Sign in / Sign up

Export Citation Format

Share Document