{
  "counts": {
    "above_hull": 0,
    "entries": 6,
    "intervals": 5,
    "vertices": 6
  },
  "elements": [
    "B",
    "ND"
  ],
  "flags": [
    "has_intermediate_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "B": {
          "energy": -1759.089917550419,
          "phase": "BETA_RHOMBO_B"
        },
        "ND": {
          "energy": -21194.35139996459,
          "phase": "DHCP"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -484141.6795754844
          },
          "entropy": {
            "intercept": 0.0,
            "slope": -75.91099207073364
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "BETA_RHOMBO_B",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -461508.81728959497,
          "right": {
            "phase": "NDB66",
            "x": 0.014925373134328358
          },
          "slope": -461508.81728959497,
          "x_hi": 0.014925373134328358,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -2129.5284918393936,
            "slope": -341463.27062224504
          },
          "entropy": {
            "intercept": -0.21774989275050916,
            "slope": -61.32174925644953
          },
          "intercept": -2064.6063613158267,
          "kind": "two_phase",
          "left": {
            "phase": "NDB66",
            "x": 0.014925373134328358
          },
          "mu_a_rel": -2064.6063613158267,
          "mu_b_rel": -325244.7974427504,
          "right": {
            "phase": "NDB6_D21",
            "x": 0.14285714285714285
          },
          "slope": -323180.1910814346,
          "x_hi": 0.14285714285714285,
          "x_lo": 0.014925373134328358
        },
        {
          "enthalpy": {
            "intercept": -519.9951585060116,
            "slope": -352730.0039555787
          },
          "entropy": {
            "intercept": 10.127000107249488,
            "slope": -133.73499925644953
          },
          "intercept": -3539.360240482456,
          "kind": "two_phase",
          "left": {
            "phase": "NDB6_D21",
            "x": 0.14285714285714285
          },
          "mu_a_rel": -3539.360240482456,
          "mu_b_rel": -316396.2741677507,
          "right": {
            "phase": "NDB4_D1E",
            "x": 0.19999999999999998
          },
          "slope": -312856.91392726824,
          "x_hi": 0.19999999999999998,
          "x_lo": 0.14285714285714285
        },
        {
          "enthalpy": {
            "intercept": -89282.32849183932,
            "slope": 91081.66271108785
          },
          "entropy": {
            "intercept": -22.289999892750508,
            "slope": 28.350000743550474
          },
          "intercept": -82636.56502381574,
          "kind": "two_phase",
          "left": {
            "phase": "NDB4_D1E",
            "x": 0.19999999999999998
          },
          "mu_a_rel": -82636.56502381574,
          "mu_b_rel": -7.455034417507704,
          "right": {
            "phase": "ND2B5",
            "x": 0.2857142857142857
          },
          "slope": 82629.10998939823,
          "x_hi": 0.2857142857142857,
          "x_lo": 0.19999999999999998
        },
        {
          "enthalpy": {
            "intercept": -88562.59480413991,
            "slope": 88562.59480413991
          },
          "entropy": {
            "intercept": -19.86599955243052,
            "slope": 19.86599955243052
          },
          "intercept": -82639.54703758274,
          "kind": "two_phase",
          "left": {
            "phase": "ND2B5",
            "x": 0.2857142857142857
          },
          "mu_a_rel": -82639.54703758274,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "DHCP",
            "x": 1.0
          },
          "slope": 82639.54703758274,
          "x_hi": 1.0,
          "x_lo": 0.2857142857142857
        }
      ],
      "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": "BETA_RHOMBO_B",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -6888.191302829776,
          "energy_per_atom": -6888.191302829776,
          "enthalpy": -7225.995217544543,
          "entries_at_x": 1,
          "entropy": -1.132999881652741,
          "formula": "",
          "nsites": null,
          "phase": "NDB66",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.014925373134328358
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -48233.20508723506,
          "energy_per_atom": -48233.20508723506,
          "enthalpy": -50909.99572358868,
          "entries_at_x": 1,
          "entropy": -8.977999786529013,
          "formula": "",
          "nsites": null,
          "phase": "NDB6_D21",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.14285714285714285
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -66110.7430259361,
          "energy_per_atom": -66110.7430259361,
          "enthalpy": -71065.99594962175,
          "entries_at_x": 1,
          "entropy": -16.619999744040413,
          "formula": "",
          "nsites": null,
          "phase": "NDB4_D1E",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.19999999999999998
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -59028.24788398768,
          "energy_per_atom": -59028.24788398768,
          "enthalpy": -63258.99628867136,
          "entries_at_x": 1,
          "entropy": -14.189999680307515,
          "formula": "",
          "nsites": null,
          "phase": "ND2B5",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.2857142857142857
        },
        {
          "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": 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": "NdB-95Hal-LB",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:51:36Z",
    "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/NdB-95Hal-LB.tdb",
    "source_sha256": "a14f51e14303dba1076678e971c46f3a5a25cd24659c1aaedf8f6e472e183a1b"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "B-ND",
  "x_element": "ND"
}
