{
  "counts": {
    "above_hull": 0,
    "entries": 11,
    "intervals": 10,
    "vertices": 11
  },
  "elements": [
    "AL",
    "CR"
  ],
  "flags": [
    "has_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "AL": {
          "energy": -8437.64606233175,
          "phase": "FCC_A1"
        },
        "CR": {
          "energy": -7019.328404364362,
          "phase": "BCC_A2"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -103427.13097626937
          },
          "entropy": {
            "intercept": 0.0,
            "slope": -23.8478478626357
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "FCC_A1",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -96316.89513602453,
          "right": {
            "phase": "AL7CR",
            "x": 0.11991295559848662
          },
          "slope": -96316.89513602453,
          "x_hi": 0.11991295559848662,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -12402.25296443625,
                -548.5833913661345,
                5.795972701934147,
                0.0007283744299684258
              ]
            ],
            "knots": [
              0.11991295559848662,
              0.1249999999856356
            ],
            "max_abs_error": 0.0011426604360167403
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -5.909007770786424,
                -0.07022452645845013,
                -0.0011247987915630198,
                -0.0001420761507895385
              ],
              [
                -5.980499172187228,
                -0.07289825474277885,
                -0.0015462750036644157,
                -0.0002750894061957221
              ],
              [
                -6.0552187913398665,
                -0.07683136101477331,
                -0.00222579274354269,
                -0.0008318337184188146
              ],
              [
                -6.135107778816602,
                -0.08377472955021945,
                0.01565181257874368,
                -0.02605861377372573
              ]
            ],
            "knots": [
              0.11991295559848662,
              0.12118471216843771,
              0.12245647986282743,
              0.12372824755721715,
              0.1249999999856356
            ],
            "max_abs_error": 0.0024097893478858268
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -10640.482297576276,
              -116.20791710695202,
              0.6943950306220046,
              0.04522236209344044
            ],
            [
              -10755.950597290512,
              -114.67911892135747,
              0.796423116519648,
              0.10212154628702308
            ],
            [
              -10869.731171549065,
              -112.80945390042592,
              1.061682102862079,
              0.23054266509777221
            ],
            [
              -10981.24840068153,
              -109.99372944796133,
              -4.304466989205906,
              7.769550038532401
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.11991295559848662,
            0.12118471216843771,
            0.12245647986282743,
            0.12372824755721715,
            0.1249999999856356
          ],
          "max_abs_error": 0.7185011374276655,
          "phase": "AL7CR",
          "x_hi": 0.1249999999856356,
          "x_lo": 0.11991295559848662
        },
        {
          "enthalpy": {
            "intercept": -7931.424517070781,
            "slope": -40108.92110585101
          },
          "entropy": {
            "intercept": -5.341569870042164,
            "slope": 17.959375855265154
          },
          "intercept": -6338.835460317719,
          "kind": "two_phase",
          "left": {
            "phase": "AL7CR",
            "x": 0.1249999999856356
          },
          "mu_a_rel": -6338.835460317719,
          "mu_b_rel": -51802.344477415965,
          "right": {
            "phase": "AL4CR",
            "x": 0.1931506849957367
          },
          "slope": -45463.509017098244,
          "x_hi": 0.1931506849957367,
          "x_lo": 0.1249999999856356
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -15678.490103105865,
                -303.603589853514,
                24.151608011008193,
                -0.006558008749834698
              ]
            ],
            "knots": [
              0.1931506849957367,
              0.199996920315127
            ],
            "max_abs_error": 0.0012547942405944923
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -5.953104594059171,
                -0.013923667721692127,
                -0.0010968346917599354,
                -0.00019266601678656278
              ],
              [
                -5.968317762489412,
                -0.016695301772267555,
                -0.0016498326658752338,
                -0.00038138837574056006
              ],
              [
                -5.987044285303293,
                -0.021139395888213706,
                -0.002600462873696998,
                -0.0011061844431815328
              ],
              [
                -6.011890328508387,
                -0.02965538982574097,
                0.019325623645595785,
                -0.03275518805335578
              ]
            ],
            "knots": [
              0.1931506849957367,
              0.1948622361095695,
              0.19657379707966907,
              0.19828535804976866,
              0.199996920315127
            ],
            "max_abs_error": 0.0029582193194643835
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -13903.571968387118,
              -71.74921375734411,
              1.838941255236307,
              0.05579731643109653
            ],
            [
              -13973.426443572796,
              -67.90435211556056,
              1.9977525875323323,
              0.1165708652666666
            ],
            [
              -14039.216472235563,
              -63.564486389429845,
              2.288742510341919,
              0.3274697122413528
            ],
            [
              -14100.16474640241,
              -58.00558464512508,
              -4.253501689781402,
              9.766070329696518
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.1931506849957367,
            0.1948622361095695,
            0.19657379707966907,
            0.19828535804976866,
            0.199996920315127
          ],
          "max_abs_error": 0.8818446035547822,
          "phase": "AL4CR",
          "x_hi": 0.199996920315127,
          "x_lo": 0.1931506849957367
        },
        {
          "enthalpy": {
            "intercept": -12703.584048623048,
            "slope": -16272.073535963935
          },
          "entropy": {
            "intercept": -4.474344176642513,
            "slope": 12.899751840086257
          },
          "intercept": -11369.558332357075,
          "kind": "two_phase",
          "left": {
            "phase": "AL4CR",
            "x": 0.199996920315127
          },
          "mu_a_rel": -11369.558332357075,
          "mu_b_rel": -31487.692879442755,
          "right": {
            "phase": "AL8CR5_D810",
            "x": 0.33071867379186975
          },
          "slope": -20118.13454708568,
          "x_hi": 0.33071867379186975,
          "x_lo": 0.199996920315127
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -18085.062628280823,
                -2310.3852223348867,
                1906.1518318701687,
                0.00015176974056885228
              ]
            ],
            "knots": [
              0.33071867379186975,
              0.45165912892484034
            ],
            "max_abs_error": 2.2480056941276416e-05
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -5.485231887287057,
                -0.1486512781721185,
                -0.11079286742368794,
                -0.0005202132793962755
              ],
              [
                -5.745196246162261,
                -0.37179627118658104,
                -0.10996535855223144,
                -0.018141064893712477
              ]
            ],
            "knots": [
              0.33071867379186975,
              0.3911889025834744,
              0.45165912892484034
            ],
            "max_abs_error": 0.00041293904610295584
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -16449.640741086187,
              -1110.8722559850216,
              509.5707840476162,
              0.1551884808367987
            ],
            [
              -17050.78702454276,
              -91.26555099646916,
              509.3242120918244,
              5.408745669561085
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.33071867379186975,
            0.3911889025834744,
            0.45165912892484034
          ],
          "max_abs_error": 0.12311932038574014,
          "phase": "AL8CR5_D810",
          "x_hi": 0.45165912892484034,
          "x_lo": 0.33071867379186975
        },
        {
          "enthalpy": {
            "intercept": -25657.909865992915,
            "slope": 15871.734987581804
          },
          "entropy": {
            "intercept": -1.6535619019157206,
            "slope": 2.507841223081291
          },
          "intercept": -25164.900384936762,
          "kind": "two_phase",
          "left": {
            "phase": "AL8CR5_D810",
            "x": 0.45165912892484034
          },
          "mu_a_rel": -25164.900384936762,
          "mu_b_rel": -10040.878258016606,
          "right": {
            "phase": "ALCR2_C11B",
            "x": 0.6666642933402241
          },
          "slope": 15124.022126920156,
          "x_hi": 0.6666642933402241,
          "x_lo": 0.45165912892484034
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -15076.790876413379,
                365.69450475369445,
                11.087409485207331,
                -4.4729849648641675
              ],
              [
                -14704.481947139344,
                374.450794794555,
                1.9377294277925898,
                -5.5224533639375295e-06
              ],
              [
                -14328.093428439452,
                378.3262370806936,
                1.9375986342107012,
                0.00012149197794997235
              ],
              [
                -13947.82947123257,
                382.20136026523403,
                1.9377708443244615,
                -3.687346912784051e-05
              ]
            ],
            "knots": [
              0.6666642933402241,
              0.674230580650247,
              0.6817968765688585,
              0.6893631724874699,
              0.6969294629352097
            ],
            "max_abs_error": 0.5756637817303272
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -5.273960641055053,
                0.29839768150174645,
                -0.13033323820811357,
                0.04953157017660867
              ],
              [
                -5.056364627584813,
                0.18638985019074478,
                -0.014521850770783329,
                0.002317864471567288
              ],
              [
                -4.882178763693284,
                0.16430748925519142,
                -0.007759486231999624,
                0.0008029339643540467
              ],
              [
                -4.72482782670574,
                0.15119964080678586,
                -0.00531630092171953,
                0.00040543103201728936
              ],
              [
                -4.5785390557886565,
                0.1417842943089637,
                -0.004061202059277319,
                0.00024415030601279697
              ],
              [
                -4.4405718132329595,
                0.13439482314762372,
                -0.0032985092073796463,
                0.00016306033575499979
              ],
              [
                -4.309312438956959,
                0.12828723413193208,
                -0.0027864004926031055,
                0.0001165448941247843
              ],
              [
                -4.183695060423506,
                0.12306407499489935,
                -0.002419020646384676,
                8.743451810290515e-05
              ]
            ],
            "knots": [
              0.6666642933402241,
              0.6704474326909413,
              0.674230580650247,
              0.6780137286095527,
              0.6817968765688585,
              0.6855800245281642,
              0.6893631724874699,
              0.6931463204467756,
              0.6969294629352097
            ],
            "max_abs_error": 0.0033505120849799397
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -13504.35951128281,
              35.20478233511008,
              9.0425681979927,
              -2.582846908875986
            ],
            [
              -13462.69500765858,
              75.61874297162731,
              4.154568203151186,
              -0.7460947180235706
            ],
            [
              -13383.667791201828,
              130.68437402578658,
              4.814149986395535,
              -0.6910815545375613
            ],
            [
              -13248.860348744185,
              138.23711947584204,
              2.797937578706609,
              -0.23940963358776912
            ],
            [
              -13108.064701323223,
              143.11413766316554,
              2.069383687200144,
              -0.12082898320161917
            ],
            [
              -12963.002008956058,
              146.89013119209397,
              1.6952863386398462,
              -0.07280152209960988
            ],
            [
              -12814.489392947431,
              150.06213417959665,
              1.467873196440479,
              -0.04858198615968945
            ],
            [
              -12663.007967557549,
              152.8519794532521,
              1.3152192508741791,
              -0.0347659720964657
            ],
            [
              -12508.875534825522,
              155.37785413614583,
              1.2056790081262534,
              -0.026084605535515948
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.6666642933402241,
            0.6680829652163752,
            0.6704474326909413,
            0.674230580650247,
            0.6780137286095527,
            0.6817968765688585,
            0.6855800245281642,
            0.6893631724874699,
            0.6931463204467756,
            0.6969294629352097
          ],
          "max_abs_error": 0.07653102634139941,
          "phase": "ALCR2_C11B",
          "x_hi": 0.6969294629352097,
          "x_lo": 0.6666642933402241
        },
        {
          "enthalpy": {
            "intercept": -45115.06544520744,
            "slope": 45271.97764796484
          },
          "entropy": {
            "intercept": -2.5157371761625518,
            "slope": 5.098404237342554
          },
          "intercept": -44364.998406134546,
          "kind": "two_phase",
          "left": {
            "phase": "ALCR2_C11B",
            "x": 0.6969294629352097
          },
          "mu_a_rel": -44364.998406134546,
          "mu_b_rel": -613.1099815334164,
          "right": {
            "phase": "BCC_A2",
            "x": 0.9158805659524554
          },
          "slope": 43751.88842460113,
          "x_hi": 0.9158805659524554,
          "x_lo": 0.6969294629352097
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -3651.3409352024855,
                3239.2618357088045,
                411.17707829200754,
                0.9020212016725964
              ]
            ],
            "knots": [
              0.9158805659524554,
              1.0
            ],
            "max_abs_error": 0.1778933645559846
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -0.24673399737772916,
                0.19040874616935685,
                0.05315679093435188,
                0.003168460274020457
              ]
            ],
            "knots": [
              0.9158805659524554,
              1.0
            ],
            "max_abs_error": 0.0005931197451008174
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -3577.777193884315,
              3182.491468038442,
              395.32838107474754,
              -0.04265522887408224
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.9158805659524554,
            1.0
          ],
          "max_abs_error": 0.0013063415856322536,
          "phase": "BCC_A2",
          "x_hi": 1.0,
          "x_lo": 0.9158805659524554
        }
      ],
      "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": -11549.643569830201,
          "energy_per_atom": -11549.643569830201,
          "enthalpy": -12402.25296443625,
          "entries_at_x": 1,
          "entropy": -2.8596659218716987,
          "formula": "",
          "nsites": null,
          "phase": "AL7CR",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.11991295559848662
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -12021.774086801943,
          "energy_per_atom": -12021.774086801943,
          "enthalpy": -12945.039654726017,
          "entries_at_x": 1,
          "entropy": -3.0966478883919955,
          "formula": "",
          "nsites": null,
          "phase": "AL7CR",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.1249999999856356
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -15120.143369280097,
          "energy_per_atom": -15120.143369280097,
          "enthalpy": -15678.490103105865,
          "entries_at_x": 1,
          "entropy": -1.8727041215018048,
          "formula": "",
          "nsites": null,
          "phase": "AL4CR",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.1931506849957367
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -15393.123284259573,
          "energy_per_atom": -15393.123284259573,
          "enthalpy": -15957.948642957115,
          "entries_at_x": 1,
          "entropy": -1.8944335357958693,
          "formula": "",
          "nsites": null,
          "phase": "AL4CR",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.199996920315127
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -18023.00110893565,
          "energy_per_atom": -18023.00110893565,
          "enthalpy": -18085.062628280823,
          "entries_at_x": 1,
          "entropy": -0.20815535584495493,
          "formula": "",
          "nsites": null,
          "phase": "AL8CR5_D810",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.33071867379186975
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -18333.997725251993,
          "energy_per_atom": -18333.997725251993,
          "enthalpy": -18489.295866975805,
          "entries_at_x": 1,
          "entropy": -0.5208725196170185,
          "formula": "",
          "nsites": null,
          "phase": "AL8CR5_D810",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.45165912892484034
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -15082.254861231622,
          "energy_per_atom": -15082.254861231622,
          "enthalpy": -15076.790876413379,
          "entries_at_x": 1,
          "entropy": 0.018326294879251748,
          "formula": "",
          "nsites": null,
          "phase": "ALCR2_C11B",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6666642933402241
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -13873.018303976056,
          "energy_per_atom": -13873.018303976056,
          "enthalpy": -13563.690376996477,
          "entries_at_x": 1,
          "entropy": 1.037490950795192,
          "formula": "",
          "nsites": null,
          "phase": "ALCR2_C11B",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6969294629352097
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -4293.494074322178,
          "energy_per_atom": -4293.494074322178,
          "enthalpy": -3651.3409352024855,
          "entries_at_x": 1,
          "entropy": 2.153792182189143,
          "formula": "",
          "nsites": null,
          "phase": "BCC_A2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.9158805659524554
        },
        {
          "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": "AlCr-17Wan-mod",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:09:14Z",
    "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/AlCr-17Wan-mod.tdb",
    "source_sha256": "e21cb50e5c1e3c4e8379755682099d7fc121921414de6668fff1a842314e2ef6"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "AL-CR",
  "x_element": "CR"
}
