{
  "model": "Hchain",
  "lattice": "chain",
  "n_sites": 10,
  "boundary": "O",
  "params": {
    "N_up": 5,
    "N_dn": 5,
    "R": 1,
    "basis": "cc-pV5Z"
  },
  "instance_id": "Hchain/chain_10_O_R1_ccpv5z",
  "rows": [
    {
      "energy": -4.4236,
      "sigma": 0.0008,
      "energy_variance": null,
      "dof": 10,
      "einf": null,
      "v_score": null,
      "method": "ph-AFQMC",
      "ansatz": null,
      "method_detail": "",
      "method_as_published": "AFQMC [phaseless]",
      "family": "AFQMC / GFMC",
      "bound_type": "projected",
      "bound_type_reason": "AFQMC, fixed-node or lattice-regularised DMC, coupled cluster, MRCI+Q or an embedding method; not a bound (RULES.md 13.4; assigned during source reading)",
      "reference": "M. Motta, D. M. Ceperley, G. K.-L. Chan, J. A. Gomez, E. Gull, S. Guo, C. A. Jiménez-Hoyos, T. N. Lan, J. Li, F. Ma, A. J. Millis, N. V. Prokof’ev, U. Ray, G. E. Scuseria, S. Sorella, E. M. Stoudenmire, Q. Sun, I. S. Tupitsyn, S. R. White, D. Zgid & S. Zhang, Towards the Solution of the Many-Electron Problem in Real Materials: Equation of State of the Hydrogen Chain with State-of-the-Art Many-Body Methods, Phys. Rev. X 7, 031059 (2017), arXiv:1705.01608, doi:10.1103/PhysRevX.7.031059",
      "peer_reviewed": true,
      "source": "track3-2026-10-20",
      "provenance": "primary",
      "verified": {
        "checked_on": "2026-10-20",
        "method": "dataset github.com/simonsfoundation/hydrogen-benchmark-PRX, commit b99a183 (2017-10-09, uploaded by the authors), CC BY 4.0; source text of arXiv:1705.01608 read locally (pypdf layout text; the generator finds every value again on its line), no LLM transcription of numbers; single reading",
        "reported_as": "-4.4236  0.0008 (total for N = 10; second number the stated uncertainty)",
        "note": "dataset github.com/simonsfoundation/hydrogen-benchmark-PRX, commit b99a183 (2017-10-09, uploaded by the authors), CC BY 4.0, file N_10_OBC/R_1.0/AFQMC_basis-5Z in sources/1705.01608-data-b99a183.tsv; number first printed in the dataset (RULES.md §8), the paper is the method reference | Hartree, lengths in bohr (Appendix B). Total energies with nuclear repulsion: FCI/STO-6G H10 at R = 1.8 is -5.42438538 in the dataset and -0.542439 per atom in Table II, and the paper's FCI E_inf = -0.471039 is the STO-6G hydrogen-atom energy per atom.",
        "secondary_of": null,
        "second_read": {
          "checked_on": "2026-10-24",
          "scope": "value",
          "method": "dataset github.com/simonsfoundation/hydrogen-benchmark-PRX commit b99a183 (data committed in d54c7fa, 2017-10-09, by the first author): raw file fetched from raw.githubusercontent.com at b99a183 and byte-compared with sources/1705.01608-data-b99a183.tsv (scripts/fetch_raw.mjs, raw-compare2.json); paper read for conventions (PRX 7, 031059 (2017), journal text sources/1705.01608-PhysRevX.7.031059.txt (published 2017-09-28, corrected 2021-03-24); arXiv:1705.01608v2 (dated 2017-11-08), sources/1705.01608.txt)",
          "location": "dataset file N_10_OBC/R_1.0/AFQMC_basis-5Z (no finite-N AFQMC value for this N/basis/trial is printed in the paper, whose finite-N tables cover H10 in STO-6G and CBS only)",
          "reported_as": "-4.4236  0.0008 (file content: total energy in Hartree with nuclear repulsion, then its 1-sigma statistical error)",
          "conversion": "total stored as is (-4.4236); eps = -4.4236/10 = -0.4423600000; sigma 0.0008/10 = 8.000000e-05 per atom",
          "note": "open chain N = 10, R = 1 bohr, N_up = N_dn = 5, basis cc-pV5Z (README: 5Z = cc-pV5Z); projected (phaseless AFQMC, UHF trial), own computation. peer_reviewed: the data were committed 11 days after publication (see report).",
          "secondary_of": null,
          "source_entry": "h-motta17-afqmc-c1#5 (qmbl-verify 2026-10-23/24, verified)"
        }
      }
    },
    {
      "energy": -4.15488500239,
      "sigma": null,
      "energy_variance": null,
      "dof": 10,
      "einf": null,
      "v_score": null,
      "method": "HF",
      "ansatz": null,
      "method_detail": "restricted",
      "method_as_published": "RHF",
      "family": "mean field",
      "bound_type": "variational",
      "bound_type_reason": "the energy of a stated wave function (Hartree-Fock, DMRG at a stated bond dimension, MRCI, VMC, a neural-network state); an upper bound in the instance's basis (RULES.md 13.4; assigned during source reading)",
      "reference": "M. Motta, D. M. Ceperley, G. K.-L. Chan, J. A. Gomez, E. Gull, S. Guo, C. A. Jiménez-Hoyos, T. N. Lan, J. Li, F. Ma, A. J. Millis, N. V. Prokof’ev, U. Ray, G. E. Scuseria, S. Sorella, E. M. Stoudenmire, Q. Sun, I. S. Tupitsyn, S. R. White, D. Zgid & S. Zhang, Towards the Solution of the Many-Electron Problem in Real Materials: Equation of State of the Hydrogen Chain with State-of-the-Art Many-Body Methods, Phys. Rev. X 7, 031059 (2017), arXiv:1705.01608, doi:10.1103/PhysRevX.7.031059",
      "peer_reviewed": true,
      "source": "track3-2026-10-20",
      "provenance": "primary",
      "verified": {
        "checked_on": "2026-10-20",
        "method": "dataset github.com/simonsfoundation/hydrogen-benchmark-PRX, commit b99a183 (2017-10-09, uploaded by the authors), CC BY 4.0; source text of arXiv:1705.01608 read locally (pypdf layout text; the generator finds every value again on its line), no LLM transcription of numbers; single reading",
        "reported_as": "-4.154885002392 (total for N = 10)",
        "note": "dataset github.com/simonsfoundation/hydrogen-benchmark-PRX, commit b99a183 (2017-10-09, uploaded by the authors), CC BY 4.0, file N_10_OBC/R_1.0/RHF_basis-5Z in sources/1705.01608-data-b99a183.tsv; number first printed in the dataset (RULES.md §8), the paper is the method reference | Hartree, lengths in bohr (Appendix B). Total energies with nuclear repulsion: FCI/STO-6G H10 at R = 1.8 is -5.42438538 in the dataset and -0.542439 per atom in Table II, and the paper's FCI E_inf = -0.471039 is the STO-6G hydrogen-atom energy per atom.",
        "secondary_of": null,
        "second_read": {
          "checked_on": "2026-10-24",
          "scope": "value",
          "method": "dataset github.com/simonsfoundation/hydrogen-benchmark-PRX b99a183, raw file fetched from raw.githubusercontent.com (raw-rhf-b99a183.json), compared with the committed TSV and the stored row by compare.mjs",
          "location": "dataset file N_10_OBC/R_1.0/RHF_basis-5Z (number first printed in the dataset; Table II prints RHF only for H10 STO-6G; journal Appendix B: 'Data not included in the appendixes are available online [11]', Ref. [11] = this repository)",
          "reported_as": "-4.154885002392 (total Hartree for N = 10)",
          "conversion": "total as printed; per atom -4.154885002392/10 = -0.4154885002392 (stored eps identical to 1e-12); no uncertainty in the file, sigma null",
          "note": "Instance chain N = 10, open (folder N_10_OBC), R = 1 bohr (folder R_1.0), basis cc-pV5Z (README basis list '5Z :   cc-pV5Z'), N_up = N_dn = 5. RHF variational (RULES 13.4), deterministic. Raw file equals the committed TSV. No same-number row from another batch on this instance (the track-3 HF rows from arXiv:1911.01618 on the R = 1.0 cc-pVTZ/QZ/5Z instances, pass_index 1517/1519/1521, store -0.41393/-0.41505/-0.41550 per atom, 1-3e-5 per atom away from these: a different computation, not a duplicate; its cc-pVDZ value -0.40101 was already held as a duplicate of this batch). Appendix A 1 a (journal txt ~lines 769-778): for cc-pVTZ/QZ/5Z at R < 1.6 and cc-pVDZ at R < 1.4 'We remove linearly dependent vectors with an overlap threshold of 10^-7' and a smaller threshold 'in the Hartree-Fock calculation' would change the energy 'by ~10^-6 EHa per atom'; the energy is then RHF in the thresholded (sub)space of cc-pV5Z, still an upper bound for the instance.",
          "secondary_of": null,
          "source_entry": "h-motta17-rhf-c1#1 (qmbl-verify 2026-10-23/24, verified)"
        }
      },
      "sampled": false,
      "corrections": [
        {
          "field": "sampled",
          "to": false,
          "reported_as": "-4.154885002392 (total for N = 10)",
          "location": "dataset github.com/simonsfoundation/hydrogen-benchmark-PRX, commit b99a183 (2017-10-09, uploaded by the authors), CC BY 4.0, file N_10_OBC/R_1.0/RHF_basis-5Z in sources/1705.01608-data-b99a183.tsv; number first printed in the dataset (RULES.md §8), the paper is the method reference",
          "checked_on": "2026-10-20",
          "reason": "Deterministic, not a Monte Carlo estimate, as the track-3 reader recorded it (pass row `sampled`); the method string alone reads the other way (units.mjs, isSampled).",
          "source_entry": "passes/track3/sweep-rows-2026-10-20-hydrogen.json"
        }
      ]
    },
    {
      "energy": -4.15488393431,
      "sigma": null,
      "energy_variance": null,
      "dof": 10,
      "einf": null,
      "v_score": null,
      "method": "HF",
      "ansatz": null,
      "method_detail": "unrestricted",
      "method_as_published": "UHF",
      "family": "mean field",
      "bound_type": "variational",
      "bound_type_reason": "the energy of a stated wave function (Hartree-Fock, DMRG at a stated bond dimension, MRCI, VMC, a neural-network state); an upper bound in the instance's basis (RULES.md 13.4; assigned during source reading)",
      "reference": "M. Motta, D. M. Ceperley, G. K.-L. Chan, J. A. Gomez, E. Gull, S. Guo, C. A. Jiménez-Hoyos, T. N. Lan, J. Li, F. Ma, A. J. Millis, N. V. Prokof’ev, U. Ray, G. E. Scuseria, S. Sorella, E. M. Stoudenmire, Q. Sun, I. S. Tupitsyn, S. R. White, D. Zgid & S. Zhang, Towards the Solution of the Many-Electron Problem in Real Materials: Equation of State of the Hydrogen Chain with State-of-the-Art Many-Body Methods, Phys. Rev. X 7, 031059 (2017), arXiv:1705.01608, doi:10.1103/PhysRevX.7.031059",
      "peer_reviewed": true,
      "source": "track3-2026-10-20",
      "provenance": "primary",
      "verified": {
        "checked_on": "2026-10-20",
        "method": "dataset github.com/simonsfoundation/hydrogen-benchmark-PRX, commit b99a183 (2017-10-09, uploaded by the authors), CC BY 4.0; source text of arXiv:1705.01608 read locally (pypdf layout text; the generator finds every value again on its line), no LLM transcription of numbers; single reading",
        "reported_as": "-4.154883934306 (total for N = 10)",
        "note": "dataset github.com/simonsfoundation/hydrogen-benchmark-PRX, commit b99a183 (2017-10-09, uploaded by the authors), CC BY 4.0, file N_10_OBC/R_1.0/UHF_basis-5Z in sources/1705.01608-data-b99a183.tsv; number first printed in the dataset (RULES.md §8), the paper is the method reference | Hartree, lengths in bohr (Appendix B). Total energies with nuclear repulsion: FCI/STO-6G H10 at R = 1.8 is -5.42438538 in the dataset and -0.542439 per atom in Table II, and the paper's FCI E_inf = -0.471039 is the STO-6G hydrogen-atom energy per atom.",
        "secondary_of": null,
        "second_read": {
          "checked_on": "2026-10-24",
          "scope": "value",
          "method": "dataset github.com/simonsfoundation/hydrogen-benchmark-PRX b99a183, raw UHF file fetched from raw.githubusercontent.com (raw-uhf-b99a183.json), compared with the committed TSV, the stored row, the journal text (PRX 7, 031059) and arXiv:1705.01608v2 text by compare.mjs; QMBL pyscf FCI/RHF for STO-6G",
          "location": "dataset file N_10_OBC/R_1.0/UHF_basis-5Z (number first printed in the dataset; the journal cites the repository as Ref. [11], Appendix B 'Data not included in the appendixes are available online [11]')",
          "reported_as": "-4.154883934306 (total Hartree for N = 10)",
          "conversion": "total as printed; per atom -4.154883934306/10 = -0.415488393431 (stored eps identical to 1e-12); no uncertainty in the file, sigma null",
          "note": "Instance chain, N = 10, open (dataset folder N_10_OBC), R = 1 bohr, basis cc-pV5Z, N_up = N_dn = 5. UHF = unrestricted Hartree-Fock (journal method list, Ref. [51] Pople-Nesbet): variational (RULES 13.4), deterministic, method_detail empty, peer_reviewed true. Raw file equals the committed TSV; UHF decreases monotonically DZ > TZ > QZ > 5Z (order_check.mjs). Dataset UHF minus RHF on the same file set: +0.000001068 Ha (UHF a few 1e-6 or less above RHF: convergence/linear-dependence noise of the size the journal states, '~10^-6 EHa per atom', Appendix A 1 a; not a finding). No duplicate from another batch: the only same-number row on the instance is the same paper's RHF row (UHF converged to the restricted solution), a different method of the same batch; no data/Hchain file exists (track 3 held).",
          "secondary_of": null,
          "source_entry": "h-motta17-uhf-c1#2 (qmbl-verify 2026-10-23/24, verified)"
        }
      },
      "sampled": false,
      "corrections": [
        {
          "field": "sampled",
          "to": false,
          "reported_as": "-4.154883934306 (total for N = 10)",
          "location": "dataset github.com/simonsfoundation/hydrogen-benchmark-PRX, commit b99a183 (2017-10-09, uploaded by the authors), CC BY 4.0, file N_10_OBC/R_1.0/UHF_basis-5Z in sources/1705.01608-data-b99a183.tsv; number first printed in the dataset (RULES.md §8), the paper is the method reference",
          "checked_on": "2026-10-20",
          "reason": "Deterministic, not a Monte Carlo estimate, as the track-3 reader recorded it (pass row `sampled`); the method string alone reads the other way (units.mjs, isSampled).",
          "source_entry": "passes/track3/sweep-rows-2026-10-20-hydrogen.json"
        }
      ]
    },
    {
      "energy": -4.155,
      "sigma": null,
      "energy_variance": null,
      "dof": 10,
      "einf": null,
      "v_score": null,
      "method": "HF",
      "ansatz": null,
      "method_detail": "",
      "method_as_published": "HF",
      "family": "mean field",
      "bound_type": "variational",
      "bound_type_reason": "the energy of a stated wave function (Hartree-Fock, DMRG at a stated bond dimension, MRCI, VMC, a neural-network state); an upper bound in the instance's basis (RULES.md 13.4; assigned during source reading)",
      "reference": "M. Motta, C. Genovese, F. Ma, Z.-H. Cui, R. Sawaya, G. K.-L. Chan, N. Chepiga, P. Helms, C. Jiménez-Hoyos, A. J. Millis, U. Ray, E. Ronca, H. Shi, S. Sorella, E. M. Stoudenmire, S. R. White & S. Zhang, Ground-State Properties of the Hydrogen Chain: Dimerization, Insulator-to-Metal Transition, and Magnetic Phases, Phys. Rev. X 10, 031058 (2020), arXiv:1911.01618, doi:10.1103/PhysRevX.10.031058",
      "peer_reviewed": true,
      "source": "track3-2026-10-20",
      "provenance": "primary",
      "verified": {
        "checked_on": "2026-10-20",
        "method": "source text of arXiv:1911.01618 read locally (pypdf layout text; the generator finds every value again on its line), no LLM transcription of numbers; single reading",
        "reported_as": "-0.41550 per atom (HF column)",
        "note": "SI Table III, row \"5Z\" (NAO 550), HF column; sources/1911.01618-anc-si.txt line 1272; version read: APS Supplemental Material (si.pdf, sources/1911.01618-PhysRevX.10.031058-si.txt) and the arXiv ancillary SI; identical | Hartree per atom, total energy with nuclear repulsion: the cc-pVDZ HF value -0.40101 matches RHF/cc-pVDZ of the 2017 data set (-4.010066006349 for H10).",
        "secondary_of": null
      }
    },
    {
      "energy": -4.3927,
      "sigma": null,
      "energy_variance": null,
      "dof": 10,
      "einf": null,
      "v_score": null,
      "method": "MP2",
      "ansatz": null,
      "method_detail": "HF reference",
      "method_as_published": "MP2 [HF reference]",
      "family": "FCIQMC / CC",
      "bound_type": "approximate",
      "bound_type_reason": "finite-order perturbation theory, GW, or a perturbative correction to coupled cluster (track 3, 2026-10-21); error of unknown sign (RULES.md 13.4; assigned during source reading)",
      "reference": "M. Motta, C. Genovese, F. Ma, Z.-H. Cui, R. Sawaya, G. K.-L. Chan, N. Chepiga, P. Helms, C. Jiménez-Hoyos, A. J. Millis, U. Ray, E. Ronca, H. Shi, S. Sorella, E. M. Stoudenmire, S. R. White & S. Zhang, Ground-State Properties of the Hydrogen Chain: Dimerization, Insulator-to-Metal Transition, and Magnetic Phases, Phys. Rev. X 10, 031058 (2020), arXiv:1911.01618, doi:10.1103/PhysRevX.10.031058",
      "peer_reviewed": true,
      "source": "track3-2026-10-20",
      "provenance": "primary",
      "verified": {
        "checked_on": "2026-10-20",
        "method": "source text of arXiv:1911.01618 read locally (pypdf layout text; the generator finds every value again on its line), no LLM transcription of numbers; single reading",
        "reported_as": "HF -0.41550 + MP2 correlation -0.02377 per atom",
        "note": "SI Table III, row \"5Z\" (NAO 550), HF and MP2 columns; sources/1911.01618-anc-si.txt line 1272; version read: APS Supplemental Material (si.pdf, sources/1911.01618-PhysRevX.10.031058-si.txt) and the arXiv ancillary SI; identical | Hartree per atom, total energy with nuclear repulsion: the cc-pVDZ HF value -0.40101 matches RHF/cc-pVDZ of the 2017 data set (-4.010066006349 for H10).",
        "secondary_of": null,
        "second_read": {
          "checked_on": "2026-10-24",
          "scope": "value",
          "method": "APS Supplemental Material of Phys. Rev. X 10, 031058 (si.pdf, published 2020-09-14; text identical byte for byte to the arXiv:1911.01618v2 ancillary SI) and arXiv:1911.01618v1 ancillary SI; pypdf layout mode (extract.py); same numbers in both",
          "location": "SI Sec. D.1 \"Gaussian basis convergence\", Table III (H10 molecule at OBC, R = 1.0 aB), row 5Z (NAO 550), HF and MP2 columns; APS SI p. 21 (text line 1213), arXiv v1 anc SI p. 20 (line 1292)",
          "reported_as": "HF -0.41550, MP2 correlation -0.02377 (per atom, Hartrees)",
          "conversion": "(-0.41550) + (-0.02377) = -0.43927 per atom; x 10 = -4.3927 Ha",
          "note": "Instance: H10 equally spaced, open, R = 1.0 bohr, neutral closed shell (caption 'H10 molecule at OBC (R = 1.0 aB)'); basis label 5Z (NAO 550) matches cc-pV5Z by NAO (cc-pV5Z has 55 spherical functions per H). Correlation energy row allowed (13.3): reference HF printed in the same row. bound_type approximate (13.4: finite-order PT) agrees. Own computation, peer reviewed (PRX 10, 031058). No sigma in source (deterministic). Not a duplicate: no other row on this instance has this method (the 2017 data set has no MP2). The stored total includes the Table III HF cc-pV5Z value, which is the subject of the ambiguous entry on the HF row of this instance; if that HF value is ruled off, this row's total moves with it.",
          "secondary_of": null,
          "source_entry": "h-p-1911-01618#7 (qmbl-verify 2026-10-23/24, verified)"
        }
      },
      "sampled": false,
      "corrections": [
        {
          "field": "sampled",
          "to": false,
          "reported_as": "HF -0.41550 + MP2 correlation -0.02377 per atom",
          "location": "SI Table III, row \"5Z\" (NAO 550), HF and MP2 columns; sources/1911.01618-anc-si.txt line 1272; version read: APS Supplemental Material (si.pdf, sources/1911.01618-PhysRevX.10.031058-si.txt) and the arXiv ancillary SI; identical",
          "checked_on": "2026-10-20",
          "reason": "Deterministic, not a Monte Carlo estimate, as the track-3 reader recorded it (pass row `sampled`); the method string alone reads the other way (units.mjs, isSampled).",
          "source_entry": "passes/track3/sweep-rows-2026-10-20-hydrogen.json"
        }
      ]
    }
  ],
  "url": "https://qmbl.org/i/Hchain/chain_10_O_R1_ccpv5z/",
  "per_site_divisor": 10,
  "per_site_label": "E/N (Ha)",
  "best": {
    "exact": null,
    "variational": {
      "energy": -4.155,
      "sigma": null,
      "method": "HF",
      "ansatz": null,
      "method_detail": "",
      "reference": "M. Motta, C. Genovese, F. Ma, Z.-H. Cui, R. Sawaya, G. K.-L. Chan, N. Chepiga, P. Helms, C. Jiménez-Hoyos, A. J. Millis, U. Ray, E. Ronca, H. Shi, S. Sorella, E. M. Stoudenmire, S. R. White & S. Zhang, Ground-State Properties of the Hydrogen Chain: Dimerization, Insulator-to-Metal Transition, and Magnetic Phases, Phys. Rev. X 10, 031058 (2020), arXiv:1911.01618, doi:10.1103/PhysRevX.10.031058",
      "bound_type": "variational",
      "energy_per_site": -0.41550000000000004
    },
    "projected": {
      "energy": -4.4236,
      "sigma": 0.0008,
      "method": "ph-AFQMC",
      "ansatz": null,
      "method_detail": "",
      "reference": "M. Motta, D. M. Ceperley, G. K.-L. Chan, J. A. Gomez, E. Gull, S. Guo, C. A. Jiménez-Hoyos, T. N. Lan, J. Li, F. Ma, A. J. Millis, N. V. Prokof’ev, U. Ray, G. E. Scuseria, S. Sorella, E. M. Stoudenmire, Q. Sun, I. S. Tupitsyn, S. R. White, D. Zgid & S. Zhang, Towards the Solution of the Many-Electron Problem in Real Materials: Equation of State of the Hydrogen Chain with State-of-the-Art Many-Body Methods, Phys. Rev. X 7, 031059 (2017), arXiv:1705.01608, doi:10.1103/PhysRevX.7.031059",
      "bound_type": "projected",
      "energy_per_site": -0.44236000000000003
    },
    "extrapolated": null,
    "approximate": {
      "energy": -4.3927,
      "sigma": null,
      "method": "MP2",
      "ansatz": null,
      "method_detail": "HF reference",
      "reference": "M. Motta, C. Genovese, F. Ma, Z.-H. Cui, R. Sawaya, G. K.-L. Chan, N. Chepiga, P. Helms, C. Jiménez-Hoyos, A. J. Millis, U. Ray, E. Ronca, H. Shi, S. Sorella, E. M. Stoudenmire, S. R. White & S. Zhang, Ground-State Properties of the Hydrogen Chain: Dimerization, Insulator-to-Metal Transition, and Magnetic Phases, Phys. Rev. X 10, 031058 (2020), arXiv:1911.01618, doi:10.1103/PhysRevX.10.031058",
      "bound_type": "approximate",
      "energy_per_site": -0.43926999999999994
    },
    "below_exact": []
  },
  "no_best_reason": null,
  "record": {
    "energy": -4.4236,
    "sigma": 0.0008,
    "method": "ph-AFQMC",
    "ansatz": null,
    "method_detail": "",
    "reference": "M. Motta, D. M. Ceperley, G. K.-L. Chan, J. A. Gomez, E. Gull, S. Guo, C. A. Jiménez-Hoyos, T. N. Lan, J. Li, F. Ma, A. J. Millis, N. V. Prokof’ev, U. Ray, G. E. Scuseria, S. Sorella, E. M. Stoudenmire, Q. Sun, I. S. Tupitsyn, S. R. White, D. Zgid & S. Zhang, Towards the Solution of the Many-Electron Problem in Real Materials: Equation of State of the Hydrogen Chain with State-of-the-Art Many-Body Methods, Phys. Rev. X 7, 031059 (2017), arXiv:1705.01608, doi:10.1103/PhysRevX.7.031059",
    "bound_type": "projected",
    "energy_per_site": -0.44236000000000003
  },
  "no_record_reason": null
}