{
  "counts": {
    "above_hull": 43,
    "entries": 116,
    "intervals": 9,
    "vertices": 10
  },
  "elements": [
    "GA",
    "PD"
  ],
  "flags": [
    "has_intermediate_compounds",
    "mp_agreement_not_comparable",
    "theoretical_vertices"
  ],
  "isotherms": [
    {
      "intervals": [
        {
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-ref-Ga",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -1.501713160000002,
          "right": {
            "phase": "oqmd-17279",
            "x": 0.16666666666666666
          },
          "slope": -1.501713160000002,
          "x_hi": 0.16666666666666666,
          "x_lo": 0.0
        },
        {
          "intercept": -0.01062274062500071,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-17279",
            "x": 0.16666666666666666
          },
          "mu_a_rel": -0.01062274062500071,
          "mu_b_rel": -1.4485994568749985,
          "right": {
            "phase": "oqmd-22139",
            "x": 0.3
          },
          "slope": -1.4379767162499977,
          "x_hi": 0.3,
          "x_lo": 0.16666666666666666
        },
        {
          "intercept": -0.1164880531250001,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-22139",
            "x": 0.3
          },
          "mu_a_rel": -0.1164880531250001,
          "mu_b_rel": -1.2015803943749999,
          "right": {
            "phase": "oqmd-23801",
            "x": 0.5
          },
          "slope": -1.0850923412499998,
          "x_hi": 0.5,
          "x_lo": 0.3
        },
        {
          "intercept": -0.710036977500001,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-23801",
            "x": 0.5
          },
          "mu_a_rel": -0.710036977500001,
          "mu_b_rel": -0.6080314699999989,
          "right": {
            "phase": "oqmd-18584",
            "x": 0.6666666666666666
          },
          "slope": 0.10200550750000217,
          "x_hi": 0.6666666666666666,
          "x_lo": 0.5
        },
        {
          "intercept": -1.6700713775000078,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-18584",
            "x": 0.6666666666666666
          },
          "mu_a_rel": -1.6700713775000078,
          "mu_b_rel": -0.12801426999999554,
          "right": {
            "phase": "oqmd-30320",
            "x": 0.7142857142857143
          },
          "slope": 1.5420571075000122,
          "x_hi": 0.7142857142857143,
          "x_lo": 0.6666666666666666
        },
        {
          "intercept": -1.7080507399999183,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-30320",
            "x": 0.7142857142857143
          },
          "mu_a_rel": -1.7080507399999183,
          "mu_b_rel": -0.1128225250000312,
          "right": {
            "phase": "oqmd-18673",
            "x": 0.7222222222222222
          },
          "slope": 1.595228214999887,
          "x_hi": 0.7222222222222222,
          "x_lo": 0.7142857142857143
        },
        {
          "intercept": -1.9561579042592592,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-18673",
            "x": 0.7222222222222222
          },
          "mu_a_rel": -1.9561579042592592,
          "mu_b_rel": -0.017396692592592355,
          "right": {
            "phase": "oqmd-1950031",
            "x": 0.8888888888888888
          },
          "slope": 1.9387612116666668,
          "x_hi": 0.8888888888888888,
          "x_lo": 0.7222222222222222
        },
        {
          "intercept": -2.0748201167241414,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-1950031",
            "x": 0.8888888888888888
          },
          "mu_a_rel": -2.0748201167241414,
          "mu_b_rel": -0.0025639160344819167,
          "right": {
            "phase": "oqmd-2070084",
            "x": 0.992
          },
          "slope": 2.0722562006896594,
          "x_hi": 0.992,
          "x_lo": 0.8888888888888888
        },
        {
          "intercept": -2.3927457049999226,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-2070084",
            "x": 0.992
          },
          "mu_a_rel": -2.3927457049999226,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "oqmd-ref-Pd",
            "x": 1.0
          },
          "slope": 2.3927457049999226,
          "x_hi": 1.0,
          "x_lo": 0.992
        }
      ],
      "temperature_K": 0.0,
      "vertices": [
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": -3.031847,
          "entries_at_x": 24,
          "formula": "Ga",
          "nsites": null,
          "phase": "oqmd-ref-Ga",
          "phase_kind": "structure",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.250285526666667,
          "energy_per_atom": -3.63961066583333,
          "entries_at_x": 1,
          "formula": "Ga5 Pd1",
          "nsites": 12,
          "phase": "oqmd-17279",
          "phase_kind": "structure",
          "spacegroup_number": 140,
          "spacegroup_symbol": "I4/mcm",
          "theoretical": false,
          "x": 0.16666666666666666
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.4420157555,
          "energy_per_atom": -4.117323794,
          "entries_at_x": 1,
          "formula": "Ga7 Pd3",
          "nsites": 20,
          "phase": "oqmd-22139",
          "phase_kind": "structure",
          "spacegroup_number": 229,
          "spacegroup_symbol": "Im-3m",
          "theoretical": false,
          "x": 0.3
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.65903422375,
          "energy_per_atom": -4.76331661125,
          "entries_at_x": 8,
          "formula": "Ga1 Pd1",
          "nsites": 8,
          "phase": "oqmd-23801",
          "phase_kind": "structure",
          "spacegroup_number": 198,
          "spacegroup_symbol": "P213",
          "theoretical": false,
          "x": 0.5
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.642033305833333,
          "energy_per_atom": -5.1037943175,
          "entries_at_x": 4,
          "formula": "Ga1 Pd2",
          "nsites": 12,
          "phase": "oqmd-18584",
          "phase_kind": "structure",
          "spacegroup_number": 62,
          "spacegroup_symbol": "Pnma",
          "theoretical": false,
          "x": 0.6666666666666666
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.568602014999999,
          "energy_per_atom": -5.13249977642857,
          "entries_at_x": 1,
          "formula": "Ga2 Pd5",
          "nsites": 28,
          "phase": "oqmd-30320",
          "phase_kind": "structure",
          "spacegroup_number": 62,
          "spacegroup_symbol": "Pnma",
          "theoretical": false,
          "x": 0.7142857142857143
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.555941473611111,
          "energy_per_atom": -5.13686202666667,
          "entries_at_x": 1,
          "formula": "Ga5 Pd13",
          "nsites": 18,
          "phase": "oqmd-18673",
          "phase_kind": "structure",
          "spacegroup_number": 12,
          "spacegroup_symbol": "C2/m",
          "theoretical": false,
          "x": 0.7222222222222222
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.23281460499999992,
          "energy_per_atom": -5.171213782222222,
          "entries_at_x": 2,
          "formula": "Ga1 Pd8",
          "nsites": 9,
          "phase": "oqmd-1950031",
          "phase_kind": "structure",
          "spacegroup_number": 139,
          "spacegroup_symbol": "I4/mmm",
          "theoretical": true,
          "x": 0.8888888888888888
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.019141965639999398,
          "energy_per_atom": -5.17870125168,
          "entries_at_x": 1,
          "formula": "Ga1 Pd124",
          "nsites": 125,
          "phase": "oqmd-2070084",
          "phase_kind": "structure",
          "spacegroup_number": 166,
          "spacegroup_symbol": "R-3m",
          "theoretical": true,
          "x": 0.992
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": -5.176718,
          "entries_at_x": 31,
          "formula": "Pd",
          "nsites": null,
          "phase": "oqmd-ref-Pd",
          "phase_kind": "structure",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "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": 0.0003419012500005536,
    "only_mp_stable": [],
    "only_ours_stable": [
      "oqmd-1950031",
      "oqmd-23801"
    ],
    "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": "GA-PD",
  "x_element": "PD"
}
