Table 1. A breakdown of systems studied. Note that most of the systems involving a non-minimal basis set were H2 and HeH+ systems, as specified in the Appendices. Numbers in parentheses indicate the number of systems where Trotter error was considered, as discussed in section 5.
| qubits | 1–10 | 11–20 | 21–30 | 31–40 | 41–50 | 51–60 | total |
|---|---|---|---|---|---|---|---|
| molecules + radicals | 1(1) | 3(13) | 12(3) | 4(0) | 8(0) | 3(0) | 41(17) |
| atoms | 10(4) | 7(6) | 1(0) | 1(0) | 0(0) | 1(0) | 20(10) |
| ions | 2(2) | 4(3) | 0(0) | 2(0) | 1(0) | 1(0) | 10(5) |
| nonminimal basis sets | 4(4) | 6(5) | 5(2) | 0(0) | 0(0) | 0(0) | 15(11) |
| total | 17(11) | 30(27) | 18(5) | 7(0) | 9(0) | 5(0) | 86(43) |