Table 2. Wall Times Used to Converge the Hartree–Fock SCF Equations (tSCF) and Localize Orbitals (Denoted tER,o for Occupied and tER,v for Virtual Orbitals) for Arachidic Acid.
| basis set | NAO | tSCF | tER,o | tER,v |
|---|---|---|---|---|
| cc-pVDZ | 508 | 26.77 s | 59.11 s | 8.01 min |
| aug-cc-pVDZ | 866 | 3.06 min | 1.18 min | 59.14 min |
| cc-pVTZ | 1220 | 3.05 min | 1.13 min | 5.19 h |
| aug-cc-pVTZ | 1932 | 29.78 min | 57.68 s | 43.05 h |