{
  "counts": {
    "above_hull": 0,
    "entries": 2,
    "intervals": 1,
    "vertices": 2
  },
  "elements": [
    "SC",
    "ZR"
  ],
  "flags": [
    "no_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "SC": {
          "energy": -10328.958273310078,
          "phase": "HCP_A3"
        },
        "ZR": {
          "energy": -11681.783839368685,
          "phase": "HCP_A3"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                0.0,
                -10689.551734321196,
                10689.551494837862,
                0.00023948333364387508
              ]
            ],
            "knots": [
              0.0,
              1.0
            ],
            "max_abs_error": 0.0002764853902590403
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.0,
                -5.883699239756761,
                5.883700894361347,
                -1.6546045857879221e-06
              ]
            ],
            "knots": [
              0.0,
              1.0
            ],
            "max_abs_error": 2.466049894955802e-05
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              0.0,
              -8935.326805987617,
              8935.326073184182,
              0.0007328034353122348
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.0,
            1.0
          ],
          "max_abs_error": 0.007076732973018807,
          "phase": "HCP_A3",
          "x_hi": 1.0,
          "x_lo": 0.0
        }
      ],
      "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": 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": 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": "ScZr-15Hu",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T01:00:48Z",
    "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/ScZr-15Hu.tdb",
    "source_sha256": "7e4c6a89551652b7094ae319325a84b3873813ba1595988dc82038cd1417e4e3"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "SC-ZR",
  "x_element": "ZR"
}
