{
  "counts": {
    "above_hull": 0,
    "entries": 3,
    "intervals": 2,
    "vertices": 3
  },
  "elements": [
    "CU",
    "LI"
  ],
  "flags": [
    "no_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "CU": {
          "energy": -9883.671557344138,
          "phase": "FCC_A1"
        },
        "LI": {
          "energy": -8682.128138453249,
          "phase": "BCC_A2"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                0.0,
                233.06751131436317,
                5.0286826292962985,
                -5.713862522463927
              ]
            ],
            "knots": [
              0.0,
              0.14193964802461315
            ],
            "max_abs_error": 0.00027514637383774243
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.0,
                -2.0297115020548646,
                0.26189406565392637,
                4.8011899236310995e-06
              ]
            ],
            "knots": [
              0.0,
              0.14193964802461315
            ],
            "max_abs_error": 2.221537172553134e-07
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              0.0,
              838.2259956520173,
              -73.05503304523586,
              -5.715293997419963
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.0,
            0.14193964802461315
          ],
          "max_abs_error": 0.000297241172916074,
          "phase": "FCC_A1",
          "x_hi": 0.14193964802461315,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": 270.8228283549236,
            "slope": -270.8228283549236
          },
          "entropy": {
            "intercept": 1.8977536169769156,
            "slope": -1.8977536169769154
          },
          "intercept": -294.9924125467416,
          "kind": "two_phase",
          "left": {
            "phase": "FCC_A1",
            "x": 0.14193964802461315
          },
          "mu_a_rel": -294.9924125467416,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "BCC_A2",
            "x": 1.0
          },
          "slope": 294.9924125467416,
          "x_hi": 1.0,
          "x_lo": 0.14193964802461315
        }
      ],
      "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": "FCC_A1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -253.12129333992561,
          "energy_per_atom": -253.12129333992561,
          "enthalpy": 232.38233142119554,
          "entries_at_x": 1,
          "entropy": 1.6283871365457756,
          "formula": "",
          "nsites": null,
          "phase": "FCC_A1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.14193964802461315
        },
        {
          "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": "CuLi-98Sau-LB",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:30:46Z",
    "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/CuLi-98Sau-LB.tdb",
    "source_sha256": "d46bb41de43190bdbb966087ef3384e50a00849f7704ead4368d0fc8aa70df4d"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "CU-LI",
  "x_element": "LI"
}
