Figure 3

The optimized structures of cationic isomers for Sin (n = 20–30) cluster at B3PW91/6-311 + G* level.
The relative energies are also listed. The calculated results based on the PBEPBE/6-311 + G* level are shown in the parenthesis.
The optimized structures of cationic isomers for Sin (n = 20–30) cluster at B3PW91/6-311 + G* level.
The relative energies are also listed. The calculated results based on the PBEPBE/6-311 + G* level are shown in the parenthesis.