{
  "counts": {
    "above_hull": 0,
    "entries": 8,
    "intervals": 7,
    "vertices": 8
  },
  "elements": [
    "NI",
    "SC"
  ],
  "flags": [
    "has_intermediate_phases",
    "redundant_phase_descriptions",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "NI": {
          "energy": -8883.518930698105,
          "phase": "FCC_A1"
        },
        "SC": {
          "energy": -10328.958259279427,
          "phase": "HCP_A3"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -176759.6339477338
          },
          "entropy": {
            "intercept": 0.0,
            "slope": 20.6795469175472
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "FCC_A1",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -182925.24086120044,
          "right": {
            "phase": "NI5SC_D2D",
            "x": 0.16666666666666666
          },
          "slope": -182925.24086120044,
          "x_hi": 0.16666666666666666,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -11710.826788969753,
            "slope": -106494.67321391527
          },
          "entropy": {
            "intercept": -4.100850580942097,
            "slope": 45.284650403199784
          },
          "intercept": -10488.158188261863,
          "kind": "two_phase",
          "left": {
            "phase": "NI5SC_D2D",
            "x": 0.16666666666666666
          },
          "mu_a_rel": -10488.158188261863,
          "mu_b_rel": -130484.44991989112,
          "right": {
            "phase": "NI7SC2",
            "x": 0.2222222222222222
          },
          "slope": -119996.29173162926,
          "x_hi": 0.2222222222222222,
          "x_lo": 0.16666666666666666
        },
        {
          "enthalpy": {
            "intercept": -23859.801215849413,
            "slope": -51824.2882929568
          },
          "entropy": {
            "intercept": -1.0414796637579888,
            "slope": 31.517481275871297
          },
          "intercept": -23549.284054099953,
          "kind": "two_phase",
          "left": {
            "phase": "NI7SC2",
            "x": 0.2222222222222222
          },
          "mu_a_rel": -23549.284054099953,
          "mu_b_rel": -84770.50938945782,
          "right": {
            "phase": "C15_LAVES",
            "x": 0.33333068472751515
          },
          "slope": -61221.225335357856,
          "x_hi": 0.33333068472751515,
          "x_lo": 0.2222222222222222
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -41134.42671805685,
                -0.22470565184931582,
                -0.024481028597041765,
                0.024745656514245817
              ]
            ],
            "knots": [
              0.33333068472751515,
              0.3333333360336336
            ],
            "max_abs_error": 0.003549940032826271
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                4.172005957036822,
                -0.00022453349979907603,
                -5.781976531939355e-06,
                -1.56051819655929e-05
              ]
            ],
            "knots": [
              0.33333068472751515,
              0.3333333360336336
            ],
            "max_abs_error": 1.2936483706482704e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -42378.31029414737,
              -0.15776098820922277,
              -0.022757132663716165,
              0.02939834119260644
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.33333068472751515,
            0.3333333360336336
          ],
          "max_abs_error": 0.003407034142583143,
          "phase": "C15_LAVES",
          "x_hi": 0.3333333360336336,
          "x_lo": 0.33333068472751515
        },
        {
          "enthalpy": {
            "intercept": -29562.043023432536,
            "slope": -34717.82412569908
          },
          "entropy": {
            "intercept": 13.122514370983746,
            "slope": -10.97544309358165
          },
          "intercept": -33474.52068314133,
          "kind": "two_phase",
          "left": {
            "phase": "C15_LAVES",
            "x": 0.3333333360336336
          },
          "mu_a_rel": -33474.52068314133,
          "mu_b_rel": -64920.016450489056,
          "right": {
            "phase": "B2_BCC",
            "x": 0.5
          },
          "slope": -31445.49576734773,
          "x_hi": 0.5,
          "x_lo": 0.3333333360336336
        },
        {
          "enthalpy": {
            "intercept": -88286.39959376684,
            "slope": 82730.88901496952
          },
          "entropy": {
            "intercept": 6.5147726306272755,
            "slope": 2.2400403871312915
          },
          "intercept": -90228.7790535884,
          "kind": "two_phase",
          "left": {
            "phase": "B2_BCC",
            "x": 0.5
          },
          "mu_a_rel": -90228.7790535884,
          "mu_b_rel": -8165.758080042011,
          "right": {
            "phase": "NISC2",
            "x": 0.72
          },
          "slope": 82063.02097354639,
          "x_hi": 0.72,
          "x_lo": 0.5
        },
        {
          "enthalpy": {
            "intercept": -102571.99822495993,
            "slope": 102571.99822495993
          },
          "entropy": {
            "intercept": 29.027148962006443,
            "slope": -29.027148962006443
          },
          "intercept": -111226.44268798211,
          "kind": "two_phase",
          "left": {
            "phase": "NISC2",
            "x": 0.72
          },
          "mu_a_rel": -111226.44268798211,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "HCP_A3",
            "x": 1.0
          },
          "slope": 111226.44268798211,
          "x_hi": 1.0,
          "x_lo": 0.72
        }
      ],
      "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": -30487.540143533406,
          "energy_per_atom": -30487.540143533406,
          "enthalpy": -29459.938991288964,
          "entries_at_x": 1,
          "entropy": 3.446591152924533,
          "formula": "",
          "nsites": null,
          "phase": "NI5SC_D2D",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.16666666666666666
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -37154.00079529059,
          "energy_per_atom": -37154.00079529059,
          "enthalpy": -35376.30972539537,
          "entries_at_x": 1,
          "entropy": 5.96240506421341,
          "formula": "",
          "nsites": null,
          "phase": "NI7SC2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.2222222222222222
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -43956.197014992285,
          "energy_per_atom": -43956.197014992285,
          "enthalpy": -41134.42671805685,
          "entries_at_x": 1,
          "entropy": 9.464263950814829,
          "formula": "",
          "nsites": null,
          "phase": "C15_LAVES",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.33333068472751515
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -43956.352690502856,
          "energy_per_atom": -43956.352690502856,
          "enthalpy": -41134.65115908078,
          "entries_at_x": 1,
          "entropy": 9.464033310152871,
          "formula": "",
          "nsites": null,
          "phase": "C15_LAVES",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.3333333360336336
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -49197.2685668152,
          "energy_per_atom": -49197.2685668152,
          "enthalpy": -46920.955086282076,
          "entries_at_x": 1,
          "entropy": 7.634792824192921,
          "formula": "",
          "nsites": null,
          "phase": "B2_BCC",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -31143.403952634995,
          "energy_per_atom": -31143.403952634995,
          "enthalpy": -28720.159502988783,
          "entries_at_x": 1,
          "entropy": 8.127601709361805,
          "formula": "",
          "nsites": null,
          "phase": "NISC2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.72
        },
        {
          "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": "NiSc-14Cao",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:53:20Z",
    "phase_families": {
      "BCC_A2": "A2_BCC"
    },
    "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/NiSc-14Cao.tdb",
    "source_sha256": "ff80233bcc4a5f5d32fc2d7106b0c1440dd234cfebcbe5c10a6270ee39263663"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "NI-SC",
  "x_element": "SC"
}