Electronic shells or molecular orbitals: Photoelectron spectra of Ag−n clusters
Author(s) -
H. Handschuh,
ChiaYen Cha,
P. S. Bechthold,
Gerd Ganteför,
W. Eberhardt
Publication year - 1995
Publication title -
the journal of chemical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.071
H-Index - 357
eISSN - 1089-7690
pISSN - 0021-9606
DOI - 10.1063/1.469356
Subject(s) - spectral line , molecular orbital , cluster (spacecraft) , atomic orbital , electronic structure , atomic physics , ab initio , x ray photoelectron spectroscopy , ab initio quantum chemistry methods , molecular physics , chemistry , computational chemistry , physics , molecule , nuclear magnetic resonance , electron , quantum mechanics , organic chemistry , computer science , programming language
Photoelectron spectra of Ag−n clusters with n=1–21 recorded at different photon energies (hν=4.025, 4.66, 5.0, and 6.424 eV) are presented. Various features in the spectra of Ag−2–Ag−9 can be assigned to electronic transitions predicted from quantum chemical ab initio calculations. While this comparison with the quantum chemical calculations yields a detailed and quantitative understanding of the electronic structure of each individual cluster, a discussion in terms of the shell model is able to explain trends and dominant patterns in the entire series of spectra up to Ag−21.
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