{
  "counts": {
    "above_hull": 78,
    "entries": 157,
    "intervals": 8,
    "vertices": 9
  },
  "elements": [
    "AU",
    "ZN"
  ],
  "flags": [
    "has_intermediate_compounds",
    "mp_agreement_not_comparable",
    "theoretical_vertices"
  ],
  "isotherms": [
    {
      "intervals": [
        {
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-636382",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -1.3208944300000096,
          "right": {
            "phase": "oqmd-2070145",
            "x": 0.008
          },
          "slope": -1.3208944300000096,
          "x_hi": 0.008,
          "x_lo": 0.0
        },
        {
          "intercept": -0.005992015413223221,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-2070145",
            "x": 0.008
          },
          "mu_a_rel": -0.005992015413223221,
          "mu_b_rel": -0.5778845187603303,
          "right": {
            "phase": "oqmd-10831",
            "x": 0.25
          },
          "slope": -0.5718925033471071,
          "x_hi": 0.25,
          "x_lo": 0.008
        },
        {
          "intercept": -0.08192993805555557,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-10831",
            "x": 0.25
          },
          "mu_a_rel": -0.08192993805555557,
          "mu_b_rel": -0.3500707508333333,
          "right": {
            "phase": "oqmd-1784261",
            "x": 0.5
          },
          "slope": -0.2681408127777777,
          "x_hi": 0.5,
          "x_lo": 0.25
        },
        {
          "intercept": -0.28724674166666725,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-1784261",
            "x": 0.5
          },
          "mu_a_rel": -0.28724674166666725,
          "mu_b_rel": -0.14475394722222154,
          "right": {
            "phase": "oqmd-2131843",
            "x": 0.6
          },
          "slope": 0.1424927944444457,
          "x_hi": 0.6,
          "x_lo": 0.5
        },
        {
          "intercept": -0.29684327249999537,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-2131843",
            "x": 0.6
          },
          "mu_a_rel": -0.29684327249999537,
          "mu_b_rel": -0.13835626000000284,
          "right": {
            "phase": "oqmd-1372459",
            "x": 0.6666666666666666
          },
          "slope": 0.15848701249999253,
          "x_hi": 0.6666666666666666,
          "x_lo": 0.6
        },
        {
          "intercept": -0.4168228500000031,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-1372459",
            "x": 0.6666666666666666
          },
          "mu_a_rel": -0.4168228500000031,
          "mu_b_rel": -0.07836647124999901,
          "right": {
            "phase": "oqmd-10830",
            "x": 0.75
          },
          "slope": 0.33845637875000406,
          "x_hi": 0.75,
          "x_lo": 0.6666666666666666
        },
        {
          "intercept": -0.5962374609375022,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-10830",
            "x": 0.75
          },
          "mu_a_rel": -0.5962374609375022,
          "mu_b_rel": -0.018561600937499256,
          "right": {
            "phase": "oqmd-2161562",
            "x": 0.78125
          },
          "slope": 0.5776758600000029,
          "x_hi": 0.78125,
          "x_lo": 0.75
        },
        {
          "intercept": -0.6625288928571423,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-2161562",
            "x": 0.78125
          },
          "mu_a_rel": -0.6625288928571423,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "oqmd-122929",
            "x": 1.0
          },
          "slope": 0.6625288928571423,
          "x_hi": 1.0,
          "x_lo": 0.78125
        }
      ],
      "temperature_K": 0.0,
      "vertices": [
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": -3.26680174,
          "entries_at_x": 32,
          "formula": "Au1",
          "nsites": 1,
          "phase": "oqmd-636382",
          "phase_kind": "structure",
          "spacegroup_number": 225,
          "spacegroup_symbol": "Fm-3m",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.010567155440000078,
          "energy_per_atom": -3.26136269592,
          "entries_at_x": 1,
          "formula": "Au124 Zn1",
          "nsites": 125,
          "phase": "oqmd-2070145",
          "phase_kind": "structure",
          "spacegroup_number": 225,
          "spacegroup_symbol": "Fm-3m",
          "theoretical": true,
          "x": 0.008
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.14896514125,
          "energy_per_atom": -2.91557314625,
          "entries_at_x": 8,
          "formula": "Au3 Zn1",
          "nsites": 16,
          "phase": "oqmd-10831",
          "phase_kind": "structure",
          "spacegroup_number": 64,
          "spacegroup_symbol": "Cmca",
          "theoretical": false,
          "x": 0.25
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.2160003444444444,
          "energy_per_atom": -2.4824146144444446,
          "entries_at_x": 26,
          "formula": "Au1 Zn1",
          "nsites": 18,
          "phase": "oqmd-1784261",
          "phase_kind": "structure",
          "spacegroup_number": 157,
          "spacegroup_symbol": "P31m",
          "theoretical": true,
          "x": 0.5
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.20175106499999984,
          "energy_per_atom": -2.268087841,
          "entries_at_x": 1,
          "formula": "Au2 Zn3",
          "nsites": 10,
          "phase": "oqmd-2131843",
          "phase_kind": "structure",
          "spacegroup_number": 63,
          "spacegroup_symbol": "Cmcm",
          "theoretical": true,
          "x": 0.6
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.191185264166667,
          "energy_per_atom": -2.1241370441666665,
          "entries_at_x": 10,
          "formula": "Au1 Zn2",
          "nsites": 12,
          "phase": "oqmd-1372459",
          "phase_kind": "structure",
          "spacegroup_number": 62,
          "spacegroup_symbol": "Pnma",
          "theoretical": true,
          "x": 0.6666666666666666
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.1629805659375,
          "energy_per_atom": -1.9292011009375,
          "entries_at_x": 6,
          "formula": "Au1 Zn3",
          "nsites": 32,
          "phase": "oqmd-10830",
          "phase_kind": "structure",
          "spacegroup_number": 223,
          "spacegroup_symbol": "Pm-3n",
          "theoretical": false,
          "x": 0.75
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.1449281953124999,
          "energy_per_atom": -1.8486245134375,
          "entries_at_x": 1,
          "formula": "Au7 Zn25",
          "nsites": 32,
          "phase": "oqmd-2161562",
          "phase_kind": "structure",
          "spacegroup_number": 200,
          "spacegroup_symbol": "Pm-3",
          "theoretical": true,
          "x": 0.78125
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": -1.2660268,
          "entries_at_x": 31,
          "formula": "Zn1",
          "nsites": 2,
          "phase": "oqmd-122929",
          "phase_kind": "structure",
          "spacegroup_number": 194,
          "spacegroup_symbol": "P63/mmc",
          "theoretical": false,
          "x": 1.0
        }
      ]
    }
  ],
  "mp_agreement": {
    "comparable": false,
    "comparable_note": "is_stable is derived by the extraction, not an upstream flag, so comparing it against a hull recomputed from the same energies tests the derivation rather than the data",
    "max_abs_delta_energy_above_hull": 5.172583333312719e-05,
    "only_mp_stable": [
      "oqmd-ref-Au",
      "oqmd-ref-Zn"
    ],
    "only_ours_stable": [
      "oqmd-1372459"
    ],
    "stable_sets_match": false
  },
  "provenance": {
    "above_hull_window_eV": 0.05,
    "builder_version": 1,
    "collinear_tol": 1e-12,
    "correction_model": "OQMD fit-partial ('standard' fit, applied upstream by OQMD; none added)",
    "degenerate_tol": 1e-06,
    "entry_pool": "all_nondeprecated",
    "is_stable_source": "derived",
    "observed_at": "2026-09-05T17:02:03Z",
    "snapshot_scope_elements": [],
    "snapshot_scope_kind": "full",
    "snapshot_sha256": "2a9393262c52ec35600424236c352a4cdb3291c8b25c1c6588f5e62abe8e0d8d",
    "source_release": "qmdb_v1_8_022026",
    "stability_tol": 0.0001,
    "thermo_type": "standard",
    "upstream_energy_corrections": "OQMD 'standard' fit (fit-partial of Kirklin et al. 2015): elemental reference energies of a subset of elements fitted to experimental formation enthalpies, applied by OQMD"
  },
  "reference": {
    "kind": "dft_fitted_elemental_reference_0K",
    "per": "atom",
    "temperature_K": 0.0,
    "units": "eV/atom"
  },
  "schema_version": 1,
  "system_id": "AU-ZN",
  "x_element": "ZN"
}