Physics – Atomic and Molecular Clusters
Scientific paper
2010-11-24
J. Chem. Phys. 134, 124302 (2011)
Physics
Atomic and Molecular Clusters
7 pages, 7 figures
Scientific paper
10.1063/1.3569564
We re-examine the question of whether the geometrical ground state of neutral and ionized clusters are identical. Using a well defined criterion for being "identical" together, the extensive sampling methods on a potential energy surface calculated by density functional theory, we show that the ground states are in general different. This behavior is to be expected whenever there are metastable configurations which are close in energy to the ground state, but it disagrees with previous studies.
De Sandip
Genovese Luigi
Ghasemi Seyed Alireza
Goedecker Stefan
Kanhere Dilip
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