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The chemical bond formation in oxygen‐rich SinOm clusters was investigated by sampling the potential energy surface of the model systems SiO + SiO2 → Si2O3 and (SiO)2 + SiO2 → Si3O4 along a two‐dimensional reaction coordinate, by density functional theory calculations. Evidence for crossing between the weakly bound neutral–neutral (SiO)n + SiO2 and the highly attractive ion‐pair (SiO) + SiO...
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