Radical Cations of Monomethyl-Substituted 1,3-Butadienes:  Resonance Raman Spectra and Molecular Orbital Calculations

1996 ◽  
Vol 100 (39) ◽  
pp. 15785-15793 ◽  
Author(s):  
Tamás Keszthelyi ◽  
Robert Wilbrandt

1985 ◽  
Vol 16 (4) ◽  
pp. 265-271 ◽  
Author(s):  
David J. Barker ◽  
Ralph P. Cooney ◽  
Lindsay A. Summers


1997 ◽  
Vol 36 (27) ◽  
pp. 6450-6453 ◽  
Author(s):  
Sharon A. Sibilia ◽  
Roman S. Czernuszewicz ◽  
Maxwell J. Crossley ◽  
Thomas G. Spiro


2008 ◽  
Author(s):  
X. K. Shen ◽  
H. Ling ◽  
Y. F. Lu






1983 ◽  
Vol 213 (2) ◽  
pp. 503-506 ◽  
Author(s):  
G Musci ◽  
A Desideri ◽  
L Morpurgo ◽  
A Garnier-Suillerot ◽  
L Tosi

Resonance-Raman spectra of Japanese-lacquer-tree (Rhus vernicifera) laccase, type-2-copper-depleted laccase and the latter form treated with H2O2 were measured in liquid and frozen solution, on excitation into the 600 nm absorption band. Significant changes in intensity and/or frequency of the bands lying in the 370-430 cm-1 region were observed on freezing, indicating local structural rearrangements taking place at the blue copper site. These findings corroborate previous suggestions based on e.p.r. measurements and redox data [Morpurgo, Calabrese, Desideri & Rotilio (1981) Biochem. J. 193, 639-642]. They show the strong dependence of the physical properties of blue copper centres on local symmetry. Some conclusions on the origin of the Raman bands are also drawn.



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