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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_torino8 single-job0 PT2e,2o -1.5927664788 264.50916 1 / 1 / 0 2026-03-04T10:22:53+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino4 single-job0 PT2e,2o -1.9274335911 70.158616 1 / 1 / 0 2026-03-04T10:19:49+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino1 single-job0 PT2e,2o -2.0178991910 160.62410 1 / 1 / 0 2026-03-04T10:18:14+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino4096 single-job0 PT2e,2o -1.7023406640 154.93475 1 / 1 / 0 2026-03-03T23:24:46+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino1024 single-job0 PT2e,2o -1.7137550956 143.5248 1 / 1 / 0 2026-03-03T23:16:49+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino512 single-job0 PT2e,2o -1.7191164987 138.15924 1 / 1 / 0 2026-03-03T23:13:28+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino256 single-job0 PT2e,2o -1.7225072209 134.76822 1 / 1 / 0 2026-03-03T23:09:26+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino64 single-job0 PT2e,2o -1.8154963131 41.778720 1 / 1 / 0 2026-03-03T23:05:33+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_torino16 single-job0 PT2e,2o -1.9048171911 47.542222 1 / 1 / 0 2026-03-03T23:00:56+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh4096 single-job1 JW2e,2o -1.5658518509 291.423394 4 / 96 / 48 2026-03-03T15:45:40+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh1024 single-job1 JW2e,2o -1.6092998623 247.975327 4 / 96 / 48 2026-03-03T15:24:26+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh512 single-job1 JW2e,2o -1.6019234168 255.352243 4 / 96 / 48 2026-03-03T15:16:48+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh256 single-job1 JW2e,2o -1.6174780855 239.797209 4 / 96 / 48 2026-03-03T15:08:58+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh64 single-job1 JW2e,2o -1.6688554724 188.42293 4 / 96 / 48 2026-03-03T14:53:18+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh16 single-job1 JW2e,2o -1.6769049395 180.37294 4 / 96 / 48 2026-03-03T14:33:01+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh4096 single-job0 PT2e,2o -1.8386422419 18.632882 1 / 1 / 0 2026-03-03T14:03:13+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh1024 single-job0 PT2e,2o -1.8392465741 18.028546 1 / 1 / 0 2026-03-03T13:51:58+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh512 single-job0 PT2e,2o -1.8412129105 16.062155 1 / 1 / 0 2026-03-03T13:47:14+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh256 single-job0 PT2e,2o -1.8547801439 2.4948932 1 / 1 / 0 2026-03-03T13:43:12+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh64 single-job0 PT2e,2o -1.8822007911 24.925838 1 / 1 / 0 2026-03-03T13:39:29+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels4096 single-job2 JW2e,2o -1.1407964124 716.479644 4 / 96 / 48 2026-03-03T13:32:03+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job2 JW2e,2o -1.2356060820 621.669320 4 / 96 / 48 2026-03-03T13:11:47+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels512 single-job2 JW2e,2o -1.1681078770 689.167337 4 / 96 / 48 2026-03-03T13:03:21+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels256 single-job2 JW2e,2o -1.1977283557 659.547216 4 / 96 / 48 2026-03-03T12:57:34+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels64 single-job2 JW2e,2o -1.2020148658 655.26245 4 / 96 / 48 2026-03-03T12:50:42+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels16 single-job2 JW2e,2o -1.3544792256 502.796249 4 / 96 / 48 2026-03-03T12:43:53+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh16 single-job0 PT2e,2o -1.9274335911 70.158624 1 / 1 / 0 2026-03-03T07:40:29+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh4096 single-job0 PT2e,2o -1.8385332951 18.7417117 1 / 1 / 0 2026-03-03T00:13:46+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh1024 single-job0 PT2e,2o -1.8423489437 14.926146 1 / 1 / 0 2026-03-03T00:05:01+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh512 single-job0 PT2e,2o -1.8519617826 5.3132544 1 / 1 / 0 2026-03-03T00:01:14+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh256 single-job0 PT2e,2o -1.8265357099 30.739328 1 / 1 / 0 2026-03-02T23:57:16+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh64 single-job0 PT2e,2o -1.8833455130 26.070523 1 / 1 / 0 2026-03-02T23:53:34+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_pittsburgh16 single-job0 PT2e,2o -1.9048171911 47.542216 1 / 1 / 0 2026-03-02T23:36:24+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels4096 single-job1 JW2e,2o -0.9749245923 882.35433 4 / 96 / 48 2026-03-02T23:12:36+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job1 JW2e,2o -0.9768492832 880.426394 4 / 96 / 48 2026-03-02T22:54:45+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels512 single-job1 JW2e,2o -0.9393650332 917.91227 4 / 96 / 48 2026-03-02T22:48:36+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels256 single-job1 JW2e,2o -0.9874930821 869.782252 4 / 96 / 48 2026-03-02T22:41:35+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels64 single-job1 JW2e,2o -0.9437907011 913.484242 4 / 96 / 48 2026-03-02T22:33:30+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels16 single-job1 JW2e,2o -1.0407258686 816.549215 4 / 96 / 48 2026-03-02T22:27:58+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels4096 single-job1 JW2e,2o -0.8839645467 973.31434 4 / 96 / 48 2026-02-26T23:36:28+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job1 JW2e,2o -0.8438187681 1013.46264 4 / 96 / 48 2026-02-26T23:22:44+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels512 single-job1 JW2e,2o -0.9061506034 951.124243 4 / 96 / 48 2026-02-26T23:16:51+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels256 single-job1 JW2e,2o -0.9179388362 939.336248 4 / 96 / 48 2026-02-26T23:10:35+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels64 single-job1 JW2e,2o -0.9813706812 875.904270 4 / 96 / 48 2026-02-26T23:03:47+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels16 single-job1 JW2e,2o -0.9641643581 893.111220 4 / 96 / 48 2026-02-26T22:58:14+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels4096 single-job0 JW2e,2o -0.9027481880 954.527140 4 / 96 / 48 2026-02-24T23:20:06+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels1024 single-job0 JW2e,2o -0.9395613219 917.71485 4 / 96 / 48 2026-02-24T23:13:29+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels512 single-job0 JW2e,2o -0.9532239639 904.05142 4 / 96 / 48 2026-02-24T23:11:35+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels256 single-job0 JW2e,2o -0.9085774865 948.69830 4 / 96 / 48 2026-02-24T23:09:28+01:00DOI 10.48550/arXiv.2604.11478
H2 ibm_brussels64 single-job0 JW2e,2o -1.0525052459 804.7733 4 / 96 / 48 2026-02-24T23:07:31+01:00DOI 10.48550/arXiv.2604.11478