{
  "counts": {
    "above_hull": 0,
    "entries": 4,
    "intervals": 3,
    "vertices": 4
  },
  "elements": [
    "CD",
    "ZN"
  ],
  "flags": [
    "miscibility_gap",
    "no_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "CD": {
          "energy": -15444.169023078013,
          "phase": "HCP_A3"
        },
        "ZN": {
          "energy": -12411.984227393612,
          "phase": "HCP_A3"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                0.0,
                68.31561030342046,
                0.3445822747249565,
                -0.007881648843309108
              ]
            ],
            "knots": [
              0.0,
              0.007977368530214616
            ],
            "max_abs_error": 0.00011523924994349954
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.0,
                -0.09253924411847882,
                0.0017739959491241825,
                -2.182003711617697e-05
              ]
            ],
            "knots": [
              0.0,
              0.007977368530214616
            ],
            "max_abs_error": 2.01395164996232e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              0.0,
              95.90618593746981,
              -0.18433461797985728,
              -0.0013760044245714198
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.0,
            0.007977368530214616
          ],
          "max_abs_error": 0.0004852204352303602,
          "phase": "HCP_A3#1",
          "x_hi": 0.007977368530214616,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": 69.17032894271519,
            "slope": -64.9359511787701
          },
          "entropy": {
            "intercept": 0.29796442823108,
            "slope": -0.2821972901876831
          },
          "intercept": -19.667765334377236,
          "kind": "two_phase",
          "left": {
            "phase": "HCP_A3#1",
            "x": 0.007977368530214616
          },
          "mu_a_rel": -19.667765334377236,
          "mu_b_rel": -0.4665944436964864,
          "right": {
            "phase": "HCP_A3#2",
            "x": 0.9998113446517488
          },
          "slope": 19.20117089068075,
          "x_hi": 0.9998113446517488,
          "x_lo": 0.007977368530214616
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                4.24662827842874,
                -4.245352972166118,
                -0.002670668668998566,
                0.0013953624063773873
              ]
            ],
            "knots": [
              0.9998113446517488,
              1.0
            ],
            "max_abs_error": 0.00019688569589026983
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.0008005634520680607,
                -0.0008000364351992707,
                -1.5163324154837741e-05,
                1.4636307286047682e-05
              ]
            ],
            "knots": [
              0.9998113446517488,
              1.0
            ],
            "max_abs_error": 2.0837838192807484e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              4.007940285191866,
              -4.006822108766005,
              0.0018502758202121328,
              -0.0029684522460735607
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.9998113446517488,
            1.0
          ],
          "max_abs_error": 0.00042439445092856687,
          "phase": "HCP_A3#2",
          "x_hi": 1.0,
          "x_lo": 0.9998113446517488
        }
      ],
      "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": -19.514590517970646,
          "energy_per_atom": -19.514590517970646,
          "enthalpy": 68.65231092930212,
          "entries_at_x": 1,
          "entropy": 0.2957132364490249,
          "formula": "",
          "nsites": null,
          "phase": "HCP_A3#1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.007977368530214616
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.4702168472776975,
          "energy_per_atom": -0.4702168472776975,
          "enthalpy": 4.24662827842874,
          "entries_at_x": 1,
          "entropy": 0.015820376071452813,
          "formula": "",
          "nsites": null,
          "phase": "HCP_A3#2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.9998113446517488
        },
        {
          "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": "CdZn-93Zab",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:21:49Z",
    "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/CdZn-93Zab.tdb",
    "source_sha256": "dfa8770557cf58af574a6687ea7c8bd331b6d53f21575109a35334ceb42c46c3"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "CD-ZN",
  "x_element": "ZN"
}
