{
  "counts": {
    "above_hull": 0,
    "entries": 4,
    "intervals": 3,
    "vertices": 4
  },
  "elements": [
    "AM",
    "PU"
  ],
  "flags": [
    "has_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "AM": {
          "energy": -16516.317237817308,
          "phase": "DHCP"
        },
        "PU": {
          "energy": -16237.547147101039,
          "phase": "ALPHA_PU"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": 8083.625149829356
          },
          "entropy": {
            "intercept": 0.0,
            "slope": 27.445017795075913
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "DHCP",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -99.10690577251395,
          "right": {
            "phase": "FCC_A1",
            "x": 0.4425260624402432
          },
          "slope": -99.10690577251395,
          "x_hi": 0.4425260624402432,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                3577.2148077969055,
                82.42631949124225,
                -0.7339105288461525,
                -0.0020769660390413947
              ]
            ],
            "knots": [
              0.4425260624402432,
              0.46676799944457964
            ],
            "max_abs_error": 0.00032858496206245036
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                6.437040500326103,
                0.23797389855748755,
                -8.12508658540323e-06,
                2.834634459242258e-06
              ]
            ],
            "knots": [
              0.4425260624402432,
              0.46676799944457964
            ],
            "max_abs_error": 1.0221243398333968e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              1658.0111826246841,
              11.474401635847572,
              -0.7314880333260181,
              -0.0029221127825120874
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.4425260624402432,
            0.46676799944457964
          ],
          "max_abs_error": 2.383853166065819e-05,
          "phase": "FCC_A1",
          "x_hi": 0.46676799944457964,
          "x_lo": 0.4425260624402432
        },
        {
          "enthalpy": {
            "intercept": 6861.750862630349,
            "slope": -6861.750862630349
          },
          "entropy": {
            "intercept": 23.291508114978555,
            "slope": -23.291508114978555
          },
          "intercept": -82.61228185050284,
          "kind": "two_phase",
          "left": {
            "phase": "FCC_A1",
            "x": 0.46676799944457964
          },
          "mu_a_rel": -82.61228185050284,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "ALPHA_PU",
            "x": 1.0
          },
          "slope": 82.61228185050284,
          "x_hi": 1.0,
          "x_lo": 0.46676799944457964
        }
      ],
      "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": "DHCP",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -43.857388772146805,
          "energy_per_atom": -43.857388772146805,
          "enthalpy": 3577.2148077969055,
          "entries_at_x": 1,
          "entropy": 12.145135658457349,
          "formula": "",
          "nsites": null,
          "phase": "FCC_A1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.4425260624402432
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -44.05151232159187,
          "energy_per_atom": -44.05151232159187,
          "enthalpy": 3658.905139793262,
          "entries_at_x": 1,
          "entropy": 12.419777468102822,
          "formula": "",
          "nsites": null,
          "phase": "FCC_A1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.46676799944457964
        },
        {
          "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": "ALPHA_PU",
          "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": "AmPu-93Oga",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:15:37Z",
    "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/AmPu-93Oga.tdb",
    "source_sha256": "8271a877d7d9acea972f12f46775bb2791ce1a5b2ac37cce167bf96253ac63f2"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "AM-PU",
  "x_element": "PU"
}