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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_miami1024 session0 PT2e,2o -1.8496268597 7.64817234 1 / 1 / 0 2026-03-10T12:33:01+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen1024 single-job0 PT2e,2o -1.8496962327 7.578845 1 / 1 / 0 2026-03-09T22:30:19+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen1024 single-job0 PT2e,2o -1.8543595619 2.9154783 1 / 1 / 0 2026-03-09T22:23:11+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen4096 single-job0 PT2e,2o -1.8480697015 9.20533108 1 / 1 / 0 2026-03-09T22:12:57+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_miami1024 single-job0 PT2e,2o -1.8430578784 14.2172230 1 / 1 / 0 2026-03-09T22:12:19+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen2048 single-job0 PT2e,2o -1.8474718857 9.8031465 1 / 1 / 0 2026-03-09T22:10:15+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen1024 single-job0 PT2e,2o -1.8487054619 8.5695750 1 / 1 / 0 2026-03-09T22:08:00+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen512 single-job0 PT2e,2o -1.8643973271 7.122349 1 / 1 / 0 2026-03-09T22:05:39+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen256 single-job0 PT2e,2o -1.8578933744 0.61834435 1 / 1 / 0 2026-03-09T22:03:41+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen128 single-job0 PT2e,2o -1.8697652466 12.490240 1 / 1 / 0 2026-03-09T22:01:27+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen64 single-job0 PT2e,2o -1.8720373130 14.762332 1 / 1 / 0 2026-03-09T21:59:34+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen32 single-job0 PT2e,2o -1.9613581911 104.08345 1 / 1 / 0 2026-03-09T21:56:58+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_aachen16 single-job0 PT2e,2o -1.9048171911 47.542242 1 / 1 / 0 2026-03-09T21:55:00+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_miami1024 session0 PT2e,2o -1.8435456612 13.7294216 1 / 1 / 0 2026-03-09T13:06:40+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_miami4096 single-job0 PT2e,2o -1.8422784847 14.9965816 1 / 1 / 0 2026-03-09T12:20:35+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_miami2048 single-job0 PT2e,2o -1.8475781173 9.69691435 1 / 1 / 0 2026-03-09T12:03:46+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_miami1024 single-job0 PT2e,2o -1.8511856471 6.08938228 1 / 1 / 0 2026-03-09T11:55:51+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_miami512 single-job0 PT2e,2o -1.8590250632 1.75003115 1 / 1 / 0 2026-03-09T11:50:02+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_miami256 single-job0 PT2e,2o -1.8462989939 10.97660 1 / 1 / 0 2026-03-09T11:46:58+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_miami128 single-job0 PT2e,2o -1.8618564575 4.5814348 1 / 1 / 0 2026-03-09T11:43:44+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_miami64 single-job0 PT2e,2o -1.8991630911 41.888148 1 / 1 / 0 2026-03-09T11:35:53+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_miami32 single-job0 PT2e,2o -1.9048171911 47.542223 1 / 1 / 0 2026-03-09T11:33:24+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_miami16 single-job0 PT2e,2o -1.9274335911 70.158623 1 / 1 / 0 2026-03-09T11:24:47+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino4096 single-job0 PT2e,2o -1.7146499185 142.62572 1 / 1 / 0 2026-03-06T23:59:52+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino2048 single-job0 PT2e,2o -1.7210037556 136.27144 1 / 1 / 0 2026-03-06T23:56:44+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino1024 single-job0 PT2e,2o -1.7348842533 122.39142 1 / 1 / 0 2026-03-06T23:53:51+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino512 single-job0 PT2e,2o -1.7353676918 121.90725 1 / 1 / 0 2026-03-06T23:51:08+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels4096 single-job0 PT2e,2o -1.8400882812 17.186767 1 / 1 / 0 2026-03-06T23:50:03+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino256 single-job0 PT2e,2o -1.7745214654 82.753619 1 / 1 / 0 2026-03-06T23:48:19+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels2048 single-job0 PT2e,2o -1.8464843732 10.790756 1 / 1 / 0 2026-03-06T23:46:57+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino128 single-job0 PT2e,2o -1.7753626295 81.912427 1 / 1 / 0 2026-03-06T23:44:31+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job0 PT2e,2o -1.8456009201 11.674152 1 / 1 / 0 2026-03-06T23:43:40+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels512 single-job0 PT2e,2o -1.8498501837 7.4248533 1 / 1 / 0 2026-03-06T23:41:35+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels256 single-job0 PT2e,2o -1.8530891271 4.185931 1 / 1 / 0 2026-03-06T23:39:49+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels128 single-job0 PT2e,2o -1.8759917075 18.716723 1 / 1 / 0 2026-03-06T23:37:49+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels64 single-job0 PT2e,2o -1.8878548911 30.579935 1 / 1 / 0 2026-03-06T23:35:14+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels32 single-job0 PT2e,2o -1.8595843912 2.3093622 1 / 1 / 0 2026-03-06T23:33:25+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino64 single-job0 PT2e,2o -1.8324586130 24.816426 1 / 1 / 0 2026-03-06T23:32:46+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels16 single-job0 PT2e,2o -1.9726663910 115.39132 1 / 1 / 0 2026-03-06T23:31:23+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino32 single-job0 PT2e,2o -1.8663832130 9.1081820 1 / 1 / 0 2026-03-06T23:29:58+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino16 single-job0 PT2e,2o -1.9274335911 70.158615 1 / 1 / 0 2026-03-06T23:27:53+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino4096 single-job0 PT2e,2o -1.6887962043 168.47967 1 / 1 / 0 2026-03-04T11:10:09+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino2048 single-job0 PT2e,2o -1.7026951314 154.5843 1 / 1 / 0 2026-03-04T11:04:24+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino1024 single-job0 PT2e,2o -1.6809058445 176.36942 1 / 1 / 0 2026-03-04T10:58:34+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino512 single-job0 PT2e,2o -1.7228107787 134.46432 1 / 1 / 0 2026-03-04T10:53:03+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino256 single-job0 PT2e,2o -1.7394695209 117.80621 1 / 1 / 0 2026-03-04T10:48:05+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino128 single-job0 PT2e,2o -1.7725355795 84.739523 1 / 1 / 0 2026-03-04T10:42:43+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino64 single-job0 PT2e,2o -1.7646441677 92.630923 1 / 1 / 0 2026-03-04T10:37:52+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino32 single-job0 PT2e,2o -1.8166410349 40.63424 1 / 1 / 0 2026-03-04T10:32:21+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino16 single-job0 PT2e,2o -1.8822007911 24.925827 1 / 1 / 0 2026-03-04T10:26:29+01:00DOI 10.48550/arXiv.2604.11478