Table 5. Errors (in kJ/mol) of Approximate CCSD(F12*)(T+) Energy Differences Using the NAF Approach in the CC Calculation 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 | 10–1 | 7.5 × 10–2 | 5 × 10–2 | 10–2 | 5 × 10–3 |
cc-pVDZ-F12 | MAE | 5.3 (7.3) | 2.8 (5.5) | 0.9 (4.1) | 0.1 (3.5) | 0.0 (3.5) |
RMS | 6.7 (9.6) | 4.9 (7.7) | 1.2 (5.3) | 0.1 (4.5) | 0.0 (4.5) | |
MAX | 20.9(34.3) | 22.5(27.3) | 5.1(18.7) | 0.3(18.8) | 0.1(18.9) | |
cc-pVTZ-F12 | MAE | 1.3 (1.7) | 0.2 (1.0) | 0.1 (1.1) | 0.0 (1.1) | 0.0 (1.1) |
RMS | 2.2 (2.7) | 0.3 (1.3) | 0.2 (1.4) | 0.0 (1.4) | 0.0 (1.4) | |
MAX | 10.2(13.5) | 1.1 (4.0) | 0.9 (3.2) | 0.2 (3.9) | 0.0 (3.9) | |
cc-pVQZ-F12 | MAE | 0.4 (0.7) | 0.1 (0.4) | 0.1 (0.5) | 0.0 (0.5) | 0.0 (0.5) |
RMS | 0.6 (1.0) | 0.2 (0.6) | 0.1 (0.6) | 0.0 (0.6) | 0.0 (0.6) | |
MAX | 2.8 (3.4) | 0.7 (1.9) | 0.4 (1.9) | 0.0 (1.9) | 0.0 (2.0) |