Table 2. Stochastic MP2 Correlation Energies EcMPs2 for a Hydronium Ion Solvated in 32 Water Molecules Using Different Thresholds for Continuum Energies εca.
| EcMPs2 [a.u.] | NMC | εcgap [eV] | t |
|---|---|---|---|
| –10.22771 | 12,000 | 60 | 4 h 55 |
| –10.23190 | 12,000 | 90 | 8 h 10 |
| –10.22952 | 12,000 | 120 | 15 h 25 |
Timings t, rounded to 5 min, are given for the execution time of the MP2 routine on 25 16-core nodes in a hybrid setup (50 MPI tasks, 8 OMP threads).