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Type: Artigo de periódico
Title: Ab Initio Calculation Of Dynamic Raman Intensities Using The Linear Response Theory [cálculo Ab Initio De Intensidades Raman Dinâmicas Utilizando A Teoria Da Resposta Linear]
Author: Vidal L.N.
Vazquez P.A.M.
Abstract: In this paper a methodology for the computation of Raman scattering cross-sections and depolarization ratios within the Placzek Polarizability Theory is described. The polarizability gradients are derived from the values of the dynamic polarizabilities computed at the excitation frequencies using ab initia Linear Response Theory. A sample application of the computational program, at the HF, MP2 and CCSD levels of theory, is presented for H 2O and NH3. The results show that high correlated levels of theory are needed to achieve good agreement with experimental data.
Rights: aberto
Identifier DOI: 
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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