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Molecular benchmarks, from energy accuracy to QPU cost.

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320 calculations
6 molecular species
9 compute resources
29488 QPU seconds recorded
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SelectMoleculeCompute resource ShotsRuntime executionResilience MappingActive spaceFinal energy (Ha) Absolute error (mHa)QPU time (s)Qubits / depth / 2QCalculated atPublication
H2 ibm_brussels1024 session0 P2e,2o -0.8857307019 971.54419 4 / 74 / 32 2026-01-19T23:42:30+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 session0 JW2e,2o -0.8331569780 1024.1244 4 / 96 / 48 2026-01-19T23:38:28+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 session0 JW2e,2o -0.8035706691 1053.739 4 / 96 / 48 2026-01-19T23:34:40+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job0 JW2e,2o -0.9269963921 930.27945 4 / 96 / 48 2026-01-15T18:01:15+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job0 P2e,2o -0.7548172919 1102.4617 4 / 74 / 32 2026-01-15T17:55:44+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job0 PF2e,2o -1.8169774347 40.297630 2 / 17 / 4 2026-01-15T17:50:50+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job0 JW2e,2o -0.8092250116 1048.0560 4 / 96 / 48 2026-01-15T17:24:27+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job0 P2e,2o -0.8678879742 989.38723 4 / 74 / 32 2026-01-15T17:19:20+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job0 PF2e,2o -1.8256370288 31.63856 2 / 17 / 4 2026-01-15T17:08:51+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_kingston16 session0 PT2e,2o -1.8279492349 29.325818 1 / 1 / 0 2026-01-15T11:17:55+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_kingston64 session0 PT2e,2o -1.7646094131 92.665620 1 / 1 / 0 2026-01-15T10:57:39+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_kingston4096 session0 PT2e,2o -1.7966581600 60.616954 1 / 1 / 0 2026-01-15T10:49:55+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_kingston256 session0 PT2e,2o -1.8061653103 51.109720 1 / 1 / 0 2026-01-15T10:43:41+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh1024 single-job0 PT2e,2o -1.8542251603 3.0498762 1 / 1 / 0 2025-12-30T17:49:44+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job0 PT2e,2o -1.8388866763 18.388428 1 / 1 / 0 2025-12-30T17:42:16+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job0 PT2e,2o -1.8304098707 26.865225 1 / 1 / 0 2025-12-30T17:39:12+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job0 PT2e,2o -1.8138703249 43.404734 1 / 1 / 0 2025-12-30T17:35:42+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 session0 PT2e,2o -1.8318949408 25.380128 1 / 1 / 0 2025-12-30T17:31:57+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino1024 session0 PT2e,2o -1.6975732754 159.70222 1 / 1 / 0 2025-12-30T17:08:42+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh1024 session2 PT2e,2o -1.8658724946 8.59746213 1 / 1 / 0 2025-12-30T16:49:11+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels256 session0 PT2e,2o -1.7872345017 70.040525 1 / 1 / 0 2025-12-30T16:05:46+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels8192 session0 PT2e,2o -1.8391330114 18.142150 1 / 1 / 0 2025-12-30T15:59:57+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 session1 JW2e,2o -0.7879843339 1069.29208 4 / 96 / 48 2025-12-28T18:37:50+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen2048 session0 PT2e,2o -1.6791302496 178.14539 1 / 1 / 0 2025-12-28T17:51:42+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen512 session0 PT2e,2o -1.6866184567 170.65723 1 / 1 / 0 2025-12-28T17:25:28+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen256 session0 PT2e,2o -1.6823735374 174.90121 1 / 1 / 0 2025-12-28T17:16:45+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh1024 session0 PT2e,2o -1.7905688840 66.706120 1 / 1 / 0 2025-12-28T17:07:43+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_fez1024 session0 PT2e,2o -1.8306288503 26.646224 1 / 1 / 0 2025-12-28T17:01:04+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen8192 session0 PT2e,2o -1.6827916927 174.483100 1 / 1 / 0 2025-12-28T16:58:08+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen8192 session0 PT2e,2o -1.6680187817 189.25694 1 / 1 / 0 2025-12-28T16:30:29+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh256 session0 PT2e,2o -1.8709012798 13.626219 1 / 1 / 0 2025-12-17T16:19:41+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh1024 single-job0 PT2e,2o -1.8593134158 2.0383940 1 / 1 / 0 2025-12-17T15:59:26+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_fez1024 single-job0 PT2e,2o -1.8342862036 22.988841 1 / 1 / 0 2025-12-17T15:07:20+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_kingston1024 single-job0 PT2e,2o -1.8363479790 20.927143 1 / 1 / 0 2025-12-17T14:26:35+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_kingston1024 single-job0 PT2e,2o -1.8436930958 13.581965 1 / 1 / 0 2025-12-17T14:19:52+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_fez1024 single-job0 PT2e,2o -1.8347783308 22.496736 1 / 1 / 0 2025-12-17T13:56:00+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_kingston1024 single-job0 PT2e,2o -1.8202246709 37.050460 1 / 1 / 0 2025-12-17T13:53:02+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job0 PT2e,2o -1.8268023409 30.472736 1 / 1 / 0 2025-12-17T13:19:22+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job0 PT2e,2o -1.8140806159 43.194434 1 / 1 / 0 2025-12-17T11:06:47+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_fez1024 single-job0 PT2e,2o -1.8481461339 9.128936 1 / 1 / 0 2025-12-17T09:41:00+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_kingston1024 session1 PT2e,2o -1.8565320645 0.742966191 1 / 1 / 0 2025-12-17T09:23:21+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_kingston4096 session0 PT2e,2o -1.8300754618 27.199657 1 / 1 / 0 2025-12-16T16:24:37+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen256 session0 PT2e,2o -1.7264616155 130.81324 1 / 1 / 0 2025-12-15T15:31:50+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen256 session0 PT2e,2o -1.7617997404 95.475320 1 / 1 / 0 2025-12-15T15:24:19+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen256 session0 P2e,2o -1.3917517448 465.52320 4 / 74 / 32 2025-12-15T15:20:11+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen1024 session0 P2e,2o -1.3716599137 485.61537 4 / 74 / 32 2025-12-15T14:14:24+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen1024 session0 JW2e,2o -1.3322496113 525.02560 4 / 96 / 48 2025-12-15T14:08:21+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino1024 session0 PT2e,2o -1.6597073139 197.56822 1 / 1 / 0 2025-12-15T13:56:01+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_kingston1024 session0 PT2e,2o -1.8420692797 15.205822 1 / 1 / 0 2025-12-15T13:20:07+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen1024 session2 PT2e,2o -1.8317088112 25.5662206 1 / 1 / 0 2025-12-15T12:58:02+01:00DOI 10.48550/arXiv.2604.11478