{
  "counts": {
    "above_hull": 45,
    "entries": 96,
    "intervals": 8,
    "vertices": 9
  },
  "elements": [
    "CA",
    "GA"
  ],
  "flags": [
    "has_intermediate_compounds",
    "mp_agreement_not_comparable",
    "theoretical_vertices"
  ],
  "isotherms": [
    {
      "intervals": [
        {
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-594524",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -1.0349548750000006,
          "right": {
            "phase": "oqmd-1520719",
            "x": 0.3333333333333333
          },
          "slope": -1.0349548750000006,
          "x_hi": 0.3333333333333333,
          "x_lo": 0.0
        },
        {
          "intercept": -0.008013120000001428,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-1520719",
            "x": 0.3333333333333333
          },
          "mu_a_rel": -0.008013120000001428,
          "mu_b_rel": -1.0189286349999978,
          "right": {
            "phase": "oqmd-28951",
            "x": 0.375
          },
          "slope": -1.0109155149999962,
          "x_hi": 0.375,
          "x_lo": 0.3333333333333333
        },
        {
          "intercept": -0.07400224500000607,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-28951",
            "x": 0.375
          },
          "mu_a_rel": -0.07400224500000607,
          "mu_b_rel": -0.9089467599999899,
          "right": {
            "phase": "oqmd-10983",
            "x": 0.3888888888888889
          },
          "slope": -0.8349445149999838,
          "x_hi": 0.3888888888888889,
          "x_lo": 0.375
        },
        {
          "intercept": -0.12079111999999925,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-10983",
            "x": 0.3888888888888889
          },
          "mu_a_rel": -0.12079111999999925,
          "mu_b_rel": -0.8354213850000006,
          "right": {
            "phase": "oqmd-1990338",
            "x": 0.5
          },
          "slope": -0.7146302650000014,
          "x_hi": 0.5,
          "x_lo": 0.3888888888888889
        },
        {
          "intercept": -0.3056526799999997,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-1990338",
            "x": 0.5
          },
          "mu_a_rel": -0.3056526799999997,
          "mu_b_rel": -0.6505598250000002,
          "right": {
            "phase": "oqmd-10982",
            "x": 0.625
          },
          "slope": -0.3449071450000005,
          "x_hi": 0.625,
          "x_lo": 0.5
        },
        {
          "intercept": -0.4416026299999957,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-10982",
            "x": 0.625
          },
          "mu_a_rel": -0.4416026299999957,
          "mu_b_rel": -0.5689898550000025,
          "right": {
            "phase": "oqmd-28952",
            "x": 0.6666666666666666
          },
          "slope": -0.12738722500000688,
          "x_hi": 0.6666666666666666,
          "x_lo": 0.625
        },
        {
          "intercept": -1.3361621300000013,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-28952",
            "x": 0.6666666666666666
          },
          "mu_a_rel": -1.3361621300000013,
          "mu_b_rel": -0.12171010499999979,
          "right": {
            "phase": "oqmd-647536",
            "x": 0.8
          },
          "slope": 1.2144520250000015,
          "x_hi": 0.8,
          "x_lo": 0.6666666666666666
        },
        {
          "intercept": -1.8230025500000004,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-647536",
            "x": 0.8
          },
          "mu_a_rel": -1.8230025500000004,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "oqmd-ref-Ga",
            "x": 1.0
          },
          "slope": 1.8230025500000004,
          "x_hi": 1.0,
          "x_lo": 0.8
        }
      ],
      "temperature_K": 0.0,
      "vertices": [
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": -1.977817,
          "entries_at_x": 31,
          "formula": "Ca1",
          "nsites": 1,
          "phase": "oqmd-594524",
          "phase_kind": "structure",
          "spacegroup_number": 225,
          "spacegroup_symbol": "Fm-3m",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.3449849583333335,
          "energy_per_atom": -2.67414513,
          "entries_at_x": 4,
          "formula": "Ca2 Ga1",
          "nsites": 12,
          "phase": "oqmd-1520719",
          "phase_kind": "structure",
          "spacegroup_number": 62,
          "spacegroup_symbol": "Pnma",
          "theoretical": true,
          "x": 0.3333333333333333
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.387106438125,
          "energy_per_atom": -2.76018450625,
          "entries_at_x": 2,
          "formula": "Ca5 Ga3",
          "nsites": 16,
          "phase": "oqmd-28951",
          "phase_kind": "structure",
          "spacegroup_number": 140,
          "spacegroup_symbol": "I4/mcm",
          "theoretical": false,
          "x": 0.375
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.398702889722222,
          "energy_per_atom": -2.78642025666667,
          "entries_at_x": 1,
          "formula": "Ca11 Ga7",
          "nsites": 36,
          "phase": "oqmd-10983",
          "phase_kind": "structure",
          "spacegroup_number": 225,
          "spacegroup_symbol": "Fm-3m",
          "theoretical": false,
          "x": 0.3888888888888889
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.47810625249999994,
          "energy_per_atom": -2.98293801,
          "entries_at_x": 12,
          "formula": "Ca1 Ga1",
          "nsites": 4,
          "phase": "oqmd-1990338",
          "phase_kind": "structure",
          "spacegroup_number": 11,
          "spacegroup_symbol": "P21/m",
          "theoretical": true,
          "x": 0.5
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.521219645625,
          "energy_per_atom": -3.1578050925,
          "entries_at_x": 1,
          "formula": "Ca3 Ga5",
          "nsites": 16,
          "phase": "oqmd-10982",
          "phase_kind": "structure",
          "spacegroup_number": 63,
          "spacegroup_symbol": "Cmcm",
          "theoretical": false,
          "x": 0.625
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.526527446666667,
          "energy_per_atom": -3.20703079,
          "entries_at_x": 4,
          "formula": "Ca1 Ga2",
          "nsites": 6,
          "phase": "oqmd-28952",
          "phase_kind": "structure",
          "spacegroup_number": 194,
          "spacegroup_symbol": "P63/mmc",
          "theoretical": false,
          "x": 0.6666666666666666
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.36460051,
          "energy_per_atom": -3.185641122,
          "entries_at_x": 3,
          "formula": "Ca1 Ga4",
          "nsites": 5,
          "phase": "oqmd-647536",
          "phase_kind": "structure",
          "spacegroup_number": 12,
          "spacegroup_symbol": "C2/m",
          "theoretical": false,
          "x": 0.8
        },
        {
          "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": 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": 5.949750000011633e-05,
    "only_mp_stable": [
      "oqmd-ref-Ca"
    ],
    "only_ours_stable": [
      "oqmd-1990338"
    ],
    "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": "CA-GA",
  "x_element": "GA"
}