{
  "counts": {
    "above_hull": 0,
    "entries": 4,
    "intervals": 3,
    "vertices": 4
  },
  "elements": [
    "NI",
    "RE"
  ],
  "flags": [
    "no_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "NI": {
          "energy": -8883.518776852015,
          "phase": "FCC_A1"
        },
        "RE": {
          "energy": -10877.107772887644,
          "phase": "HCP_A3"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                0.0,
                6.143397494478926,
                0.002627562117546667,
                -0.001671509962469564
              ]
            ],
            "knots": [
              0.0,
              0.00034552086998298695
            ],
            "max_abs_error": 0.0002397925259609579
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.0,
                -0.0023030987587090725,
                3.5184529952882095e-05,
                -1.6932066897575038e-05
              ]
            ],
            "knots": [
              0.0,
              0.00034552086998298695
            ],
            "max_abs_error": 2.4306541838465135e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              0.0,
              6.830066389630353,
              -0.007862705914334356,
              0.003376785967521556
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.0,
            0.00034552086998298695
          ],
          "max_abs_error": 0.0004849070609909134,
          "phase": "FCC_A1",
          "x_hi": 0.00034552086998298695,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": 6.133466738043201,
            "slope": 31.50839655890825
          },
          "entropy": {
            "intercept": 0.023441344966660817,
            "slope": 0.12683842690307096
          },
          "intercept": -0.8555702637663516,
          "kind": "two_phase",
          "left": {
            "phase": "FCC_A1",
            "x": 0.00034552086998298695
          },
          "mu_a_rel": -0.8555702637663516,
          "mu_b_rel": -7.164050686008661,
          "right": {
            "phase": "HCP_A3",
            "x": 0.997072036840496
          },
          "slope": -6.308480422242309,
          "x_hi": 0.997072036840496,
          "x_lo": 0.00034552086998298695
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                37.54960787261192,
                -37.46416023573316,
                -0.08665586036152462,
                0.0012082234827559546
              ]
            ],
            "knots": [
              0.997072036840496,
              1.0
            ],
            "max_abs_error": 0.00017333094278093597
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -0.016412404626851174,
                0.01634719138505735,
                4.981456701622783e-05,
                1.5398674777594712e-05
              ]
            ],
            "knots": [
              0.997072036840496,
              1.0
            ],
            "max_abs_error": 2.2226337053603967e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              42.442966312108005,
              -42.33807534719365,
              -0.10150807350372304,
              -0.003382891410623756
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.997072036840496,
            1.0
          ],
          "max_abs_error": 0.0004893472945219912,
          "phase": "HCP_A3",
          "x_hi": 1.0,
          "x_lo": 0.997072036840496
        }
      ],
      "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": -0.8577499754101154,
          "energy_per_atom": -0.8577499754101154,
          "enthalpy": 6.144353546634004,
          "entries_at_x": 1,
          "entropy": 0.02348517029027164,
          "formula": "",
          "nsites": null,
          "phase": "FCC_A1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.00034552086998298695
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -7.1455796877398825,
          "energy_per_atom": -7.1455796877398825,
          "enthalpy": 37.54960787261192,
          "entries_at_x": 1,
          "entropy": 0.14990839362855013,
          "formula": "",
          "nsites": null,
          "phase": "HCP_A3",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.997072036840496
        },
        {
          "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": "NiRe-12Yaq",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:52:49Z",
    "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/NiRe-12Yaq.tdb",
    "source_sha256": "a3247186f8d0235a6f0c593c89f0f5bafdfd77bbabecce395ca420ba83e0f79d"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "NI-RE",
  "x_element": "RE"
}