Table 4. Errors (in kJ/mol) of Approximate CCSD(F12*)(T+) Energy Differences Using the NAF Approach at the Construction of F12-Dependent Intermediates with Various Thresholds (in a.u.) with Respect to CCSD(F12*)(T+) and CBS CCSD(T) (in Parentheses) Reference Values for the KAW Test Set.
Threshold |
||||||
---|---|---|---|---|---|---|
Basis set | Error | 2 × 10–1 | 10–1 | 7.5 × 10–2 | 5 × 10–2 | 10–2 |
cc-pVDZ-F12 | MAE | 0.9 (3.9) | 0.2 (3.5) | 0.1 (3.5) | 0.1 (3.5) | 0.0 (3.5) |
RMS | 1.1 (5.1) | 0.3 (4.6) | 0.2 (4.5) | 0.1 (4.5) | 0.0 (4.5) | |
MAX | 2.9(18.5) | 0.8(18.3) | 0.6(18.6) | 0.3(19.1) | 0.0(19.0) | |
cc-pVTZ-F12 | MAE | 0.3 (1.3) | 0.1 (1.1) | 0.1 (1.1) | 0.0 (1.1) | 0.0 (1.1) |
RMS | 0.4 (1.6) | 0.1 (1.4) | 0.1 (1.4) | 0.0 (1.4) | 0.0 (1.4) | |
MAX | 1.5 (5.2) | 0.4 (4.1) | 0.3 (4.1) | 0.1 (3.9) | 0.0 (3.9) | |
cc-pVQZ-F12 | MAE | 0.2 (0.6) | 0.0 (0.5) | 0.0 (0.5) | 0.0 (0.5) | 0.0 (0.5) |
RMS | 0.3 (0.8) | 0.0 (0.7) | 0.0 (0.7) | 0.0 (0.6) | 0.0 (0.6) | |
MAX | 1.6 (3.1) | 0.2 (1.8) | 0.1 (1.9) | 0.0 (2.0) | 0.0 (2.0) |