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|Type:||Artigo de evento|
|Title:||Application Of Ccsd(t)/(ecp + Gcm) For Studying Gas-phase Electron And Proton Affinities|
|Abstract:||The aim of this work is to analyze high level [CCSD(T)/ECP + GCM] calculations employed to determine the electron and proton affinities (EA and PA) of a set of molecules. The basis sets were developed for pseudopotential using the GCM procedure. This technique is potentially useful for large molecules containing heavy atoms. It can be classified as a quantum chemistry composite method, and achieves similar performance to the Gaussian theory (G2, G3, and G4) and CBS methods at a lower computational cost. The root mean square deviations (δrnsd) of EA and PA, in comparison to the experimental results, obtained were 0.15 eV and 4.14 kJ mol-1, respectively. © 2008 Wiley Periodicals, Inc.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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