Table 1. Occupation Number (x) of the Highest Molecular Orbital with an Occupation Number Near 2 Obtained in the CASSCF Calculation and the Weight (w) of Closed-Shell Determinant for the S0 State Using Different Basis Sets.
molecule | 6-31G(d,p) | 6-311G(d,p) | cc-pvTZ |
---|---|---|---|
C30 | x = 1.94; w = 0.95 | x = 1.95; w = 0.94 | x = 1.94; w = 0.94 |
C40 | x = 1.94; w = 0.94 | x = 1.94; w = 0.91 | x = 1.94; w = 0.91 |
C50 | x = 1.94; w = 0.94 | x = 1.92; w = 0.94 | x = 1.99; w = 0.99 |
C60 | x = 1.94; w = 0.91 | x = 1.92; w = 0.94 | x = 1.99; w = 0.99 |
C70 | x = 1.98; w = 0.96 | x = 1.92; w = 0.94 | x = 1.99; w = 0.99 |
C80 | x = 1.94; w = 0.92 | x = 1.92; w = 0.91 | x = 1.99; w = 0.99 |
C90 | x = 1.99; w = 0.99 | x = 1.92; w = 0.90 | x = 1.99; w = 0.99 |
C100 | x = 1.99; w = 0.99 | x = 1.91; w = 0.90 | x = 2.00; w = 0.99 |