{
  "counts": {
    "above_hull": 0,
    "entries": 12,
    "intervals": 11,
    "vertices": 12
  },
  "elements": [
    "CO",
    "Y"
  ],
  "flags": [
    "has_intermediate_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "CO": {
          "energy": -8956.449362439618,
          "phase": "HCP_A3"
        },
        "Y": {
          "energy": -13353.412765755224,
          "phase": "HCP_A3"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -97148.47663137843
          },
          "entropy": {
            "intercept": 0.0,
            "slope": 8.34219850694731
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "HCP_A3#1",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -99635.70311622466,
          "right": {
            "phase": "CO17Y2",
            "x": 0.10526315789473711
          },
          "slope": -99635.70311622466,
          "x_hi": 0.10526315789473711,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -1488.6192140576059,
            "slope": -83006.59409783121
          },
          "entropy": {
            "intercept": 1.950986065890703,
            "slope": -10.19216911901432
          },
          "intercept": -2070.3057096028915,
          "kind": "two_phase",
          "left": {
            "phase": "CO17Y2",
            "x": 0.10526315789473711
          },
          "mu_a_rel": -2070.3057096028915,
          "mu_b_rel": -82038.10458460012,
          "right": {
            "phase": "CO7Y2",
            "x": 0.2222222222222222
          },
          "slope": -79967.79887499723,
          "x_hi": 0.2222222222222222,
          "x_lo": 0.10526315789473711
        },
        {
          "enthalpy": {
            "intercept": -6263.139160007988,
            "slope": -61521.25434105449
          },
          "entropy": {
            "intercept": -6.0853586051345205,
            "slope": 25.971381900599187
          },
          "intercept": -4448.789491887168,
          "kind": "two_phase",
          "left": {
            "phase": "CO7Y2",
            "x": 0.2222222222222222
          },
          "mu_a_rel": -4448.789491887168,
          "mu_b_rel": -73713.41134660516,
          "right": {
            "phase": "CO3Y",
            "x": 0.25
          },
          "slope": -69264.62185471799,
          "x_hi": 0.25,
          "x_lo": 0.2222222222222222
        },
        {
          "enthalpy": {
            "intercept": -3011.2180534808576,
            "slope": -74528.93876716301
          },
          "entropy": {
            "intercept": 7.758065270048499,
            "slope": -29.402313600132892
          },
          "intercept": -5324.285213745832,
          "kind": "two_phase",
          "left": {
            "phase": "CO3Y",
            "x": 0.25
          },
          "mu_a_rel": -5324.285213745832,
          "mu_b_rel": -71086.92418102917,
          "right": {
            "phase": "CO2Y_C15",
            "x": 0.3333333333333333
          },
          "slope": -65762.63896728333,
          "x_hi": 0.3333333333333333,
          "x_lo": 0.25
        },
        {
          "enthalpy": {
            "intercept": -4513.824954034706,
            "slope": -70021.11806550146
          },
          "entropy": {
            "intercept": 19.97367103780098,
            "slope": -66.04913090339033
          },
          "intercept": -10468.974973954992,
          "kind": "two_phase",
          "left": {
            "phase": "CO2Y_C15",
            "x": 0.3333333333333333
          },
          "mu_a_rel": -10468.974973954992,
          "mu_b_rel": -60797.544660610845,
          "right": {
            "phase": "CO3Y2",
            "x": 0.4
          },
          "slope": -50328.56968665585,
          "x_hi": 0.4,
          "x_lo": 0.3333333333333333
        },
        {
          "enthalpy": {
            "intercept": -4373.320350827707,
            "slope": -70372.37957351896
          },
          "entropy": {
            "intercept": 25.83403111177535,
            "slope": -80.70003108832626
          },
          "intercept": -12075.736726803596,
          "kind": "two_phase",
          "left": {
            "phase": "CO3Y2",
            "x": 0.4
          },
          "mu_a_rel": -12075.736726803596,
          "mu_b_rel": -58387.40203133794,
          "right": {
            "phase": "CO7Y6",
            "x": 0.46153846153846156
          },
          "slope": -46311.66530453434,
          "x_hi": 0.46153846153846156,
          "x_lo": 0.4
        },
        {
          "enthalpy": {
            "intercept": -52448.32035082765,
            "slope": 33790.1204264809
          },
          "entropy": {
            "intercept": -20.03896888822473,
            "slope": 18.69146891167391
          },
          "intercept": -46473.70177680345,
          "kind": "two_phase",
          "left": {
            "phase": "CO7Y6",
            "x": 0.46153846153846156
          },
          "mu_a_rel": -46473.70177680345,
          "mu_b_rel": -18256.44280633811,
          "right": {
            "phase": "COY_B33",
            "x": 0.5
          },
          "slope": 28217.25897046534,
          "x_hi": 0.5,
          "x_lo": 0.46153846153846156
        },
        {
          "enthalpy": {
            "intercept": -59497.92035082761,
            "slope": 47889.32042648082
          },
          "entropy": {
            "intercept": -19.48606888822477,
            "slope": 17.58566891167399
          },
          "intercept": -53688.14891180341,
          "kind": "two_phase",
          "left": {
            "phase": "COY_B33",
            "x": 0.5
          },
          "mu_a_rel": -53688.14891180341,
          "mu_b_rel": -11041.995671338147,
          "right": {
            "phase": "CO3Y4",
            "x": 0.5714285714285714
          },
          "slope": 42646.15324046526,
          "x_hi": 0.5714285714285714,
          "x_lo": 0.5
        },
        {
          "enthalpy": {
            "intercept": -71994.12035082772,
            "slope": 69757.67042648104
          },
          "entropy": {
            "intercept": -31.920368888224587,
            "slope": 39.34569391167367
          },
          "intercept": -62477.06236680352,
          "kind": "two_phase",
          "left": {
            "phase": "CO3Y4",
            "x": 0.5714285714285714
          },
          "mu_a_rel": -62477.06236680352,
          "mu_b_rel": -4450.310580088073,
          "right": {
            "phase": "CO5Y8",
            "x": 0.6153846153846154
          },
          "slope": 58026.751786715446,
          "x_hi": 0.6153846153846154,
          "x_lo": 0.5714285714285714
        },
        {
          "enthalpy": {
            "intercept": -75577.26320797052,
            "slope": 75580.27756933807
          },
          "entropy": {
            "intercept": -33.019826031081784,
            "slope": 41.13231176881661
          },
          "intercept": -65732.40207680353,
          "kind": "two_phase",
          "left": {
            "phase": "CO5Y8",
            "x": 0.6153846153846154
          },
          "mu_a_rel": -65732.40207680353,
          "mu_b_rel": -2415.7232613380766,
          "right": {
            "phase": "COY3_D011",
            "x": 0.75
          },
          "slope": 63316.67881546545,
          "x_hi": 0.75,
          "x_lo": 0.6153846153846154
        },
        {
          "enthalpy": {
            "intercept": -75568.22012386787,
            "slope": 75568.22012386787
          },
          "entropy": {
            "intercept": -8.68236881787729,
            "slope": 8.68236881787729
          },
          "intercept": -72979.57186081773,
          "kind": "two_phase",
          "left": {
            "phase": "COY3_D011",
            "x": 0.75
          },
          "mu_a_rel": -72979.57186081773,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "HCP_A3#2",
            "x": 1.0
          },
          "slope": 72979.57186081773,
          "x_hi": 1.0,
          "x_lo": 0.75
        }
      ],
      "phase_instances": {
        "HCP_A3#1": "HCP_A3",
        "HCP_A3#2": "HCP_A3"
      },
      "temperature_K": 298.15,
      "vertices": [
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": 0.0,
          "enthalpy": 0.0,
          "entries_at_x": 1,
          "entropy": 0.0,
          "formula": "",
          "nsites": null,
          "phase": "HCP_A3#1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -10487.968749076306,
          "energy_per_atom": -10487.968749076306,
          "enthalpy": -10226.155434881966,
          "entries_at_x": 1,
          "entropy": 0.8781261586260349,
          "formula": "",
          "nsites": null,
          "phase": "CO17Y2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.10526315789473711
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -19840.927681824498,
          "energy_per_atom": -19840.927681824498,
          "enthalpy": -19934.52901357565,
          "entries_at_x": 1,
          "entropy": -0.3139404050013681,
          "formula": "",
          "nsites": null,
          "phase": "CO7Y2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.2222222222222222
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -21764.944955566665,
          "energy_per_atom": -21764.944955566665,
          "enthalpy": -21643.45274527161,
          "entries_at_x": 1,
          "entropy": 0.4074868700152763,
          "formula": "",
          "nsites": null,
          "phase": "CO3Y",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.25
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -27245.16486950694,
          "energy_per_atom": -27245.16486950694,
          "enthalpy": -27854.197642535193,
          "entries_at_x": 1,
          "entropy": -2.0427059299957975,
          "formula": "",
          "nsites": null,
          "phase": "CO2Y_C15",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.3333333333333333
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -30600.402848617334,
          "energy_per_atom": -30600.402848617334,
          "enthalpy": -32522.272180235293,
          "entries_at_x": 1,
          "entropy": -6.445981323555156,
          "formula": "",
          "nsites": null,
          "phase": "CO3Y2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.4
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -33450.351482742524,
          "energy_per_atom": -33450.351482742524,
          "enthalpy": -36852.88015399031,
          "entries_at_x": 1,
          "entropy": -11.412137082836772,
          "formula": "",
          "nsites": null,
          "phase": "CO7Y6",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.46153846153846156
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -32365.07229157078,
          "energy_per_atom": -32365.07229157078,
          "enthalpy": -35553.2601375872,
          "entries_at_x": 1,
          "entropy": -10.693234432387776,
          "formula": "",
          "nsites": null,
          "phase": "COY_B33",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -29318.918488680407,
          "energy_per_atom": -29318.918488680407,
          "enthalpy": -32132.594392838568,
          "entries_at_x": 1,
          "entropy": -9.437115224411063,
          "formula": "",
          "nsites": null,
          "phase": "CO3Y4",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5714285714285714
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -26768.292036517087,
          "energy_per_atom": -26768.292036517087,
          "enthalpy": -29066.323165300935,
          "entries_at_x": 1,
          "entropy": -7.707634173348481,
          "formula": "",
          "nsites": null,
          "phase": "CO5Y8",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6153846153846154
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -18244.89296520443,
          "energy_per_atom": -18244.89296520443,
          "enthalpy": -18892.055030966967,
          "entries_at_x": 1,
          "entropy": -2.1705922044693224,
          "formula": "",
          "nsites": null,
          "phase": "COY3_D011",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.75
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": 0.0,
          "enthalpy": 0.0,
          "entries_at_x": 1,
          "entropy": 0.0,
          "formula": "",
          "nsites": null,
          "phase": "HCP_A3#2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 1.0
        }
      ]
    }
  ],
  "mp_agreement": {
    "comparable": false,
    "comparable_note": "CALPHAD isotherms have no upstream stability flag to compare against",
    "max_abs_delta_energy_above_hull": 0.0,
    "only_mp_stable": [],
    "only_ours_stable": [],
    "stable_sets_match": true
  },
  "provenance": {
    "assessment": "CoY-04Du-LB",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:28:02Z",
    "phase_families": {},
    "sample_conditions": {
      "endpoint_tol": 1.0,
      "fit_samples": 65,
      "order_tol": 0.0001,
      "pressure_Pa": 101325.0,
      "redundant_tol": 1.0,
      "refine_tol": 1e-07,
      "step": 0.002,
      "temperature_K": 298.15
    },
    "source_path": "databases/sgte-binary/CoY-04Du-LB.tdb",
    "source_sha256": "054ec0f14cb5cb4cdf0cc85ce2b059fb43310f4cfc24c16949b17455f1570246"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "CO-Y",
  "x_element": "Y"
}
