{
  "counts": {
    "above_hull": 0,
    "entries": 3,
    "intervals": 2,
    "vertices": 3
  },
  "elements": [
    "C",
    "PD"
  ],
  "flags": [
    "no_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "C": {
          "energy": -1712.0721839370256,
          "phase": "GRAPHITE_A9"
        },
        "PD": {
          "energy": -11277.03499966728,
          "phase": "FCC_A1"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": 0.6634832260761901
          },
          "entropy": {
            "intercept": 0.0,
            "slope": 0.002470332889670109
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "GRAPHITE_A9",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -0.07304652497961849,
          "right": {
            "phase": "FCC_A1",
            "x": 0.9999705209378649
          },
          "slope": -0.07304652497961849,
          "x_hi": 0.9999705209378649,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                0.663463667212943,
                -0.6634753018840718,
                -0.0021004842618825847,
                0.002112118933011331
              ]
            ],
            "knots": [
              0.9999705209378649,
              1.0
            ],
            "max_abs_error": 0.00030298600151942856
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -0.000331707195482494,
                0.00033156123935224605,
                -1.2733112025199516e-05,
                1.2879068155447469e-05
              ]
            ],
            "knots": [
              0.9999705209378649,
              1.0
            ],
            "max_abs_error": 1.8476579918738888e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              0.7623621675453829,
              -0.762330285688475,
              0.0016958939085345293,
              -0.0017277757654423631
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.9999705209378649,
            1.0
          ],
          "max_abs_error": 0.00024789324199259166,
          "phase": "FCC_A1",
          "x_hi": 1.0,
          "x_lo": 0.9999705209378649
        }
      ],
      "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": "GRAPHITE_A9",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.07304437163656985,
          "energy_per_atom": -0.07304437163656985,
          "enthalpy": 0.663463667212943,
          "entries_at_x": 1,
          "entropy": 0.00247026006657336,
          "formula": "",
          "nsites": null,
          "phase": "FCC_A1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.9999705209378649
        },
        {
          "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": "FCC_A1",
          "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": "PdC-06Du",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:56:40Z",
    "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/PdC-06Du.tdb",
    "source_sha256": "53286c430748055047c94b061c15305a137384ecd3d28b78287a94b295a8d071"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "C-PD",
  "x_element": "PD"
}
