{
  "counts": {
    "above_hull": 0,
    "entries": 10,
    "intervals": 9,
    "vertices": 10
  },
  "elements": [
    "CO",
    "GE"
  ],
  "flags": [
    "has_intermediate_phases",
    "redundant_phase_descriptions",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "CO": {
          "energy": -8956.449453995716,
          "phase": "HCP_A3"
        },
        "GE": {
          "energy": -9269.484037085365,
          "phase": "DIAMOND_A4"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                0.0,
                -12437.275747958543,
                4857.447820188168,
                -354.3367743153708
              ]
            ],
            "knots": [
              0.0,
              0.13559854033233026
            ],
            "max_abs_error": 0.08475659812302183
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.0,
                -0.22796413901163198,
                1.2594446625997797,
                -0.09455308309401067
              ]
            ],
            "knots": [
              0.0,
              0.13559854033233026
            ],
            "max_abs_error": 0.00014480761820495625
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              0.0,
              -12369.30823991201,
              4481.944394033763,
              -326.14577259082307
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.0,
            0.13559854033233026
          ],
          "max_abs_error": 0.12689276295168384,
          "phase": "HCP_A3",
          "x_hi": 0.13559854033233026,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -3932.8151857592275,
            "slope": -29508.79490678773
          },
          "entropy": {
            "intercept": 0.8650310116556446,
            "slope": 24.86636921142076
          },
          "intercept": -4190.72418188434,
          "kind": "two_phase",
          "left": {
            "phase": "HCP_A3",
            "x": 0.13559854033233026
          },
          "mu_a_rel": -4190.72418188434,
          "mu_b_rel": -41113.42706905728,
          "right": {
            "phase": "CO2GE_C37",
            "x": 0.3333333333333333
          },
          "slope": -36922.70288717294,
          "x_hi": 0.3333333333333333,
          "x_lo": 0.13559854033233026
        },
        {
          "enthalpy": {
            "intercept": -330.112802993257,
            "slope": -40316.902055085644
          },
          "entropy": {
            "intercept": 14.06041124431878,
            "slope": -14.719771486568648
          },
          "intercept": -4522.224415486973,
          "kind": "two_phase",
          "left": {
            "phase": "CO2GE_C37",
            "x": 0.3333333333333333
          },
          "mu_a_rel": -4522.224415486973,
          "mu_b_rel": -40450.426601852014,
          "right": {
            "phase": "CO5GE3_B82",
            "x": 0.40915561504636105
          },
          "slope": -35928.202186365044,
          "x_hi": 0.40915561504636105,
          "x_lo": 0.3333333333333333
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -16825.99966010572,
                -2125.3217116673127,
                29.572786913683558,
                -3.336469258539182
              ]
            ],
            "knots": [
              0.40915561504636105,
              0.4503989092373386
            ],
            "max_abs_error": 0.025072349068068434
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                2.412586517474378,
                -2.284415604923692,
                -0.3353549444999677,
                -0.013130296766067584
              ]
            ],
            "knots": [
              0.40915561504636105,
              0.4503989092373386
            ],
            "max_abs_error": 0.0011987951572813849
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -17545.312330290715,
              -1444.2231990605314,
              129.5588636190953,
              0.5783287207375452
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.40915561504636105,
            0.4503989092373386
          ],
          "max_abs_error": 0.38237336550446344,
          "phase": "CO5GE3_B82",
          "x_hi": 0.4503989092373386,
          "x_lo": 0.40915561504636105
        },
        {
          "enthalpy": {
            "intercept": -359.42185836916906,
            "slope": -41220.488804437824
          },
          "entropy": {
            "intercept": 23.681207872811985,
            "slope": -40.362786167969254
          },
          "intercept": -7419.973985648019,
          "kind": "two_phase",
          "left": {
            "phase": "CO5GE3_B82",
            "x": 0.4503989092373386
          },
          "mu_a_rel": -7419.973985648019,
          "mu_b_rel": -36606.298094105914,
          "right": {
            "phase": "COGE",
            "x": 0.4975367291811824
          },
          "slope": -29186.324108457895,
          "x_hi": 0.4975367291811824,
          "x_lo": 0.4503989092373386
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -20868.12903337871,
                -122.78074821215776,
                -3.1487885662627093,
                3.4699323933727726
              ]
            ],
            "knots": [
              0.4975367291811824,
              0.5000003112003164
            ],
            "max_abs_error": 0.49779807723462
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -2.1638061596930793,
                -0.08542278191216905,
                -0.0023763006196886316,
                -0.0008098684519288746
              ],
              [
                -2.252415110676866,
                -0.09260437594489235,
                0.018839523265848895,
                -0.029062678551970506
              ]
            ],
            "knots": [
              0.4975367291811824,
              0.4987685221803357,
              0.5000003112003164
            ],
            "max_abs_error": 0.0029174045500308665
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -20222.99022686623,
              -17.960714871465434,
              0.2094617022397216,
              0.020694658441854585
            ],
            [
              -20240.720785377012,
              -17.479955952959067,
              0.2688248342046826,
              0.04103516459599277
            ],
            [
              -20257.890881331175,
              -16.819247513510163,
              0.3710384533217841,
              0.11904194482183428
            ],
            [
              -20274.220048446554,
              -15.720108475772069,
              -2.537320044421353,
              4.104432887818252
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.4975367291811824,
            0.4981526215470845,
            0.4987685221803357,
            0.49938442281358686,
            0.5000003112003164
          ],
          "max_abs_error": 0.39155868773377733,
          "phase": "COGE",
          "x_hi": 0.5000003112003164,
          "x_lo": 0.4975367291811824
        },
        {
          "enthalpy": {
            "intercept": -36845.679066598146,
            "slope": 31710.16112124444
          },
          "entropy": {
            "intercept": 8.821821545594817,
            "slope": -10.82782899247304
          },
          "intercept": -39475.90516041724,
          "kind": "two_phase",
          "left": {
            "phase": "COGE",
            "x": 0.5000003112003164
          },
          "mu_a_rel": -39475.90516041724,
          "mu_b_rel": -4537.426825066985,
          "right": {
            "phase": "CO5GE7",
            "x": 0.5833333333333333
          },
          "slope": 34938.47833535026,
          "x_hi": 0.5833333333333333,
          "x_lo": 0.5000003112003164
        },
        {
          "enthalpy": {
            "intercept": -38220.49025533233,
            "slope": 34066.980301931624
          },
          "entropy": {
            "intercept": 9.237331124987474,
            "slope": -11.540131128574737
          },
          "intercept": -40974.60053024741,
          "kind": "two_phase",
          "left": {
            "phase": "CO5GE7",
            "x": 0.5833333333333333
          },
          "mu_a_rel": -40974.60053024741,
          "mu_b_rel": -3466.9301323311593,
          "right": {
            "phase": "COGE2",
            "x": 0.6666666666666666
          },
          "slope": 37507.67039791625,
          "x_hi": 0.6666666666666666,
          "x_lo": 0.5833333333333333
        },
        {
          "enthalpy": {
            "intercept": -46527.51016213377,
            "slope": 46527.51016213377
          },
          "entropy": {
            "intercept": 4.631731117812946,
            "slope": -4.631731117812946
          },
          "intercept": -47908.46079490972,
          "kind": "two_phase",
          "left": {
            "phase": "COGE2",
            "x": 0.6666666666666666
          },
          "mu_a_rel": -47908.46079490972,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "DIAMOND_A4",
            "x": 1.0
          },
          "slope": 47908.46079490972,
          "x_hi": 1.0,
          "x_lo": 0.6666666666666666
        }
      ],
      "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",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -9197.388798509308,
          "energy_per_atom": -9197.388798509308,
          "enthalpy": -7934.164702085745,
          "entries_at_x": 1,
          "entropy": 4.236874380089098,
          "formula": "",
          "nsites": null,
          "phase": "HCP_A3",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.13559854033233026
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -16498.291810941988,
          "energy_per_atom": -16498.291810941988,
          "enthalpy": -13769.08015468847,
          "entries_at_x": 1,
          "entropy": 9.153820748795898,
          "formula": "",
          "nsites": null,
          "phase": "CO2GE_C37",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.3333333333333333
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -19222.450078559177,
          "energy_per_atom": -19222.450078559177,
          "enthalpy": -16825.99966010572,
          "entries_at_x": 1,
          "entropy": 8.037734088389897,
          "formula": "",
          "nsites": null,
          "phase": "CO5GE3_B82",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.40915561504636105
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -20565.462528744894,
          "energy_per_atom": -20565.462528744894,
          "enthalpy": -18925.08505411789,
          "entries_at_x": 1,
          "entropy": 5.501853008978696,
          "formula": "",
          "nsites": null,
          "phase": "CO5GE3_B82",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.4503989092373386
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -21941.24221939205,
          "energy_per_atom": -21941.24221939205,
          "enthalpy": -20868.12903337871,
          "entries_at_x": 1,
          "entropy": 3.599239262161092,
          "formula": "",
          "nsites": null,
          "phase": "COGE",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.4975367291811824
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -22006.655119876603,
          "energy_per_atom": -22006.655119876603,
          "enthalpy": -20990.588637763754,
          "entries_at_x": 1,
          "entropy": 3.4079036797344884,
          "formula": "",
          "nsites": null,
          "phase": "COGE",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5000003112003164
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -19095.12613146293,
          "energy_per_atom": -19095.12613146293,
          "enthalpy": -18348.08507920556,
          "entries_at_x": 1,
          "entropy": 2.505587966652211,
          "formula": "",
          "nsites": null,
          "phase": "CO5GE7",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5833333333333333
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -15969.486931636575,
          "energy_per_atom": -15969.486931636575,
          "enthalpy": -15509.17005404459,
          "entries_at_x": 1,
          "entropy": 1.5439103726043157,
          "formula": "",
          "nsites": null,
          "phase": "COGE2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6666666666666666
        },
        {
          "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": "DIAMOND_A4",
          "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": "CoGe-19Zen-sub",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:24:27Z",
    "phase_families": {
      "FCC_A1": "A1_FCC"
    },
    "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/CoGe-19Zen-sub.tdb",
    "source_sha256": "2837674f94c2f6612fe467d09fc153191e6036214b485c689de723f3b09c8135"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "CO-GE",
  "x_element": "GE"
}