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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Chem+Phys
2014 ; 141
(11
): 114108
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A general time-dependent route to resonance-Raman spectroscopy including
Franck-Condon, Herzberg-Teller and Duschinsky effects
#MMPMID25240346
Baiardi A
; Bloino J
; Barone V
J Chem Phys
2014[Sep]; 141
(11
): 114108
PMID25240346
show ga
We present a new formulation of the time-dependent theory of Resonance-Raman
spectroscopy (TD-RR). Particular attention has been devoted to the generality of
the framework and to the possibility of including different effects (Duschinsky
mixing, Herzberg-Teller contributions). Furthermore, the effects of different
harmonic models for the intermediate electronic state are also investigated.
Thanks to the implementation of the TD-RR procedure within a general-purpose
quantum-chemistry program, both solvation and leading anharmonicity effects have
been included in an effective way. The reliability and stability of our TD-RR
implementation are validated against our previously proposed and well-tested
time-independent procedure. Practical applications are illustrated with some
closed- and open-shell medium-size molecules (anthracene, phenoxyl radical,
benzyl radical) and the simulated spectra are compared to the experimental
results. More complex and larger systems, not limited to organic compounds, can
be also studied, as shown for the case of Tris(bipyridine)ruthenium(II) chloride.