{
  "counts": {
    "above_hull": 0,
    "entries": 8,
    "intervals": 7,
    "vertices": 8
  },
  "elements": [
    "AL",
    "HO"
  ],
  "flags": [
    "has_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "AL": {
          "energy": -8437.646143707372,
          "phase": "FCC_A1"
        },
        "HO": {
          "energy": -22366.944509799825,
          "phase": "HCP_A3"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -171999.9993630307
          },
          "entropy": {
            "intercept": 0.0,
            "slope": -30.12999997585976
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "FCC_A1",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -163016.73987022814,
          "right": {
            "phase": "AL3HO",
            "x": 0.25
          },
          "slope": -163016.73987022814,
          "x_hi": 0.25,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -4000.157661304642,
            "slope": -155999.36871781215
          },
          "entropy": {
            "intercept": 3.2094220033539944,
            "slope": -42.96768798927574
          },
          "intercept": -4957.046831604639,
          "kind": "two_phase",
          "left": {
            "phase": "AL3HO",
            "x": 0.25
          },
          "mu_a_rel": -4957.046831604639,
          "mu_b_rel": -148145.59937541423,
          "right": {
            "phase": "C15_LAVES",
            "x": 0.3333313848137355
          },
          "slope": -143188.55254380958,
          "x_hi": 0.3333313848137355,
          "x_lo": 0.25
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -55999.64326608149,
                -0.35658603100866904,
                -0.0009732860451170944,
                0.0009837594950644069
              ]
            ],
            "knots": [
              0.3333313848137355,
              0.3333333333712682
            ],
            "max_abs_error": 0.0001411288758390583
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -16.40531896489334,
                -0.00027141609309775473,
                4.4820132772568975e-05,
                -6.100897744803775e-05
              ]
            ],
            "knots": [
              0.3333313848137355,
              0.3333333333712682
            ],
            "max_abs_error": 6.780833906816497e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -51108.39741669854,
              -0.27566332353827605,
              -0.01433640828547178,
              0.019173586459528824
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.3333313848137355,
            0.3333333333712682
          ],
          "max_abs_error": 0.0021617227466776967,
          "phase": "C15_LAVES",
          "x_hi": 0.3333333333712682,
          "x_lo": 0.3333313848137355
        },
        {
          "enthalpy": {
            "intercept": -66999.9998211303,
            "slope": 32999.9999347182
          },
          "entropy": {
            "intercept": -12.469999992038407,
            "slope": 4.070000041450931
          },
          "intercept": -63282.06932350399,
          "kind": "two_phase",
          "left": {
            "phase": "C15_LAVES",
            "x": 0.3333333333712682
          },
          "mu_a_rel": -63282.06932350399,
          "mu_b_rel": -31495.539901144548,
          "right": {
            "phase": "ALHO",
            "x": 0.5
          },
          "slope": 31786.52942235944,
          "x_hi": 0.5,
          "x_lo": 0.3333333333712682
        },
        {
          "enthalpy": {
            "intercept": -80499.9998277441,
            "slope": 59999.999947945784
          },
          "entropy": {
            "intercept": -14.610000016616933,
            "slope": 8.350000090607985
          },
          "intercept": -76144.02832278979,
          "kind": "two_phase",
          "left": {
            "phase": "ALHO",
            "x": 0.5
          },
          "mu_a_rel": -76144.02832278979,
          "mu_b_rel": -18633.580901858753,
          "right": {
            "phase": "AL2HO3",
            "x": 0.6000000000000001
          },
          "slope": 57510.447420931036,
          "x_hi": 0.6000000000000001,
          "x_lo": 0.5
        },
        {
          "enthalpy": {
            "intercept": -84999.99982774409,
            "slope": 67499.99994794578
          },
          "entropy": {
            "intercept": -14.550000016617023,
            "slope": 8.250000090608134
          },
          "intercept": -80661.91732278987,
          "kind": "two_phase",
          "left": {
            "phase": "AL2HO3",
            "x": 0.6000000000000001
          },
          "mu_a_rel": -80661.91732278987,
          "mu_b_rel": -15621.654901858681,
          "right": {
            "phase": "ALHO2_C37",
            "x": 0.6666666666666666
          },
          "slope": 65040.26242093119,
          "x_hi": 0.6666666666666666,
          "x_lo": 0.6000000000000001
        },
        {
          "enthalpy": {
            "intercept": -119999.99958734073,
            "slope": 119999.99958734073
          },
          "entropy": {
            "intercept": -27.149999868634797,
            "slope": 27.149999868634797
          },
          "intercept": -111905.22712650725,
          "kind": "two_phase",
          "left": {
            "phase": "ALHO2_C37",
            "x": 0.6666666666666666
          },
          "mu_a_rel": -111905.22712650725,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "HCP_A3",
            "x": 1.0
          },
          "slope": 111905.22712650725,
          "x_hi": 1.0,
          "x_lo": 0.6666666666666666
        }
      ],
      "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": -40754.184967557034,
          "energy_per_atom": -40754.184967557034,
          "enthalpy": -42999.99984075768,
          "entries_at_x": 1,
          "entropy": -7.53249999396494,
          "formula": "",
          "nsites": null,
          "phase": "AL3HO",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.25
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -52686.28534050701,
          "energy_per_atom": -52686.28534050701,
          "enthalpy": -55999.64326608149,
          "entries_at_x": 1,
          "entropy": -11.113056936355797,
          "formula": "",
          "nsites": null,
          "phase": "C15_LAVES",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.3333313848137355
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -52686.55951484502,
          "energy_per_atom": -52686.55951484502,
          "enthalpy": -55999.99984163906,
          "entries_at_x": 1,
          "entropy": -11.113333311400368,
          "formula": "",
          "nsites": null,
          "phase": "C15_LAVES",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.3333333333712682
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -47388.80461232427,
          "energy_per_atom": -47388.80461232427,
          "enthalpy": -50499.99985377121,
          "entries_at_x": 1,
          "entropy": -10.43499997131294,
          "formula": "",
          "nsites": null,
          "phase": "ALHO",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -41637.75987023116,
          "energy_per_atom": -41637.75987023116,
          "enthalpy": -44499.999858976626,
          "entries_at_x": 1,
          "entropy": -9.599999962252141,
          "formula": "",
          "nsites": null,
          "phase": "AL2HO3",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6000000000000001
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -37301.74237550242,
          "energy_per_atom": -37301.74237550242,
          "enthalpy": -39999.999862446915,
          "entries_at_x": 1,
          "entropy": -9.0499999562116,
          "formula": "",
          "nsites": null,
          "phase": "ALHO2_C37",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6666666666666666
        },
        {
          "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": "AlHo-03Cac-LB",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:10:43Z",
    "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/AlHo-03Cac-LB.tdb",
    "source_sha256": "1af1b05d2b3627b316737efb77a877e416ee30b97023024805592ad5135ac399"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "AL-HO",
  "x_element": "HO"
}
