{
  "counts": {
    "above_hull": 0,
    "entries": 4,
    "intervals": 3,
    "vertices": 4
  },
  "elements": [
    "CO",
    "CR"
  ],
  "flags": [
    "no_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "CO": {
          "energy": -8956.449343285221,
          "phase": "HCP_A3"
        },
        "CR": {
          "energy": -7019.328330116421,
          "phase": "BCC_A2"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                0.0,
                17.213012929362996,
                0.05717778237875493,
                -0.001938755036814399
              ]
            ],
            "knots": [
              0.0,
              0.0009136572774699569
            ],
            "max_abs_error": 0.00025406413783191084
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.0,
                0.0048946390074345305,
                4.551848751018026e-05,
                -1.6723650982534977e-05
              ]
            ],
            "knots": [
              0.0,
              0.0009136572774699569
            ],
            "max_abs_error": 2.4057630665474776e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              0.0,
              15.75367630932004,
              0.04360644514191314,
              0.003047401668219152
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.0,
            0.0009136572774699569
          ],
          "max_abs_error": 0.00046321410652261363,
          "phase": "HCP_A3",
          "x_hi": 0.0009136572774699569,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": 17.283634861247112,
            "slope": -16.836624543478173
          },
          "entropy": {
            "intercept": 0.06573633561886863,
            "slope": -0.0641313251365406
          },
          "intercept": -2.3156536035160045,
          "kind": "two_phase",
          "left": {
            "phase": "HCP_A3",
            "x": 0.0009136572774699569
          },
          "mu_a_rel": -2.3156536035160045,
          "mu_b_rel": -0.03152355753704983,
          "right": {
            "phase": "BCC_A2",
            "x": 0.9999872694108922
          },
          "slope": 2.2841300459789546,
          "x_hi": 0.9999872694108922,
          "x_lo": 0.0009136572774699569
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                0.4472246579179655,
                -0.4472458062131048,
                -0.003265522261633347,
                0.0032866705567726195
              ]
            ],
            "knots": [
              0.9999872694108922,
              1.0
            ],
            "max_abs_error": 0.00046951586066476536
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.0003069134610286714,
                -0.0003071025440286538,
                -1.9570235421976785e-05,
                1.9759318421959154e-05
              ]
            ],
            "knots": [
              0.9999872694108922,
              1.0
            ],
            "max_abs_error": 2.8270057066101707e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              0.3557184095123767,
              -0.3556831826750203,
              0.002569343524536638,
              -0.0026045703618930993
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.9999872694108922,
            1.0
          ],
          "max_abs_error": 0.000373355917315063,
          "phase": "BCC_A2",
          "x_hi": 1.0,
          "x_lo": 0.9999872694108922
        }
      ],
      "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": -2.313566691476808,
          "energy_per_atom": -2.313566691476808,
          "enthalpy": 17.268251956704933,
          "entries_at_x": 1,
          "entropy": 0.06567774156694384,
          "formula": "",
          "nsites": null,
          "phase": "HCP_A3",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0009136572774699569
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.031552635858133726,
          "energy_per_atom": -0.031552635858133726,
          "enthalpy": 0.4472246579179655,
          "entries_at_x": 1,
          "entropy": 0.0016058269118772728,
          "formula": "",
          "nsites": null,
          "phase": "BCC_A2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.9999872694108922
        },
        {
          "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": "BCC_A2",
          "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": "CoCr-19Wan",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:23:21Z",
    "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/CoCr-19Wan.tdb",
    "source_sha256": "4875fa24c4f980cd07832cae588681889c74ce2b36384857eb730d79af99e04e"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "CO-CR",
  "x_element": "CR"
}