{
  "counts": {
    "above_hull": 0,
    "entries": 8,
    "intervals": 7,
    "vertices": 8
  },
  "elements": [
    "MN",
    "NI"
  ],
  "flags": [
    "degenerate_boundary_phase",
    "has_intermediate_phases",
    "redundant_phase_descriptions",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "MN": {
          "energy": -9606.49527613277,
          "phase": "CBCC_A12"
        },
        "NI": {
          "energy": -8883.518822846643,
          "phase": "FCC_A1"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                0.0,
                0.4666367061767156,
                0.0025751751789616084,
                -0.001325398201151351
              ]
            ],
            "knots": [
              0.0,
              3.312649556443362e-05
            ],
            "max_abs_error": 0.0001901286665786095
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.0,
                0.0011116054032006147,
                3.9948422297828804e-05,
                -1.991910732600027e-05
              ]
            ],
            "knots": [
              0.0,
              3.312649556443362e-05
            ],
            "max_abs_error": 2.857545202650377e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              0.0,
              0.13521155538081894,
              -0.009335447216099746,
              0.004613483767861831
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.0,
            3.312649556443362e-05
          ],
          "max_abs_error": 0.0006618484641652753,
          "phase": "CBCC_A12",
          "x_hi": 3.312649556443362e-05,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": 1.1025799434534145,
            "slope": -19159.69224889365
          },
          "entropy": {
            "intercept": 0.0039731409842694845,
            "slope": 8.302031047457206
          },
          "intercept": -0.0820120410053633,
          "kind": "two_phase",
          "left": {
            "phase": "CBCC_A12",
            "x": 3.312649556443362e-05
          },
          "mu_a_rel": -0.0820120410053633,
          "mu_b_rel": -21635.024817734015,
          "right": {
            "phase": "L10_SOLO",
            "x": 0.49998089989570205
          },
          "slope": -21634.94280569301,
          "x_hi": 0.49998089989570205,
          "x_lo": 3.312649556443362e-05
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -9578.377592383102,
                -8.771853186778566,
                18.74681274714912,
                -8.69104279587718
              ],
              [
                -9577.093675618606,
                2.6483427214309483,
                -0.000662647509746872,
                -1.6833064288679367e-05
              ],
              [
                -9574.446012377746,
                2.646966875312501,
                -0.0007060867865220644,
                -1.3478238543029875e-06
              ],
              [
                -9571.799752937042,
                2.645550652385282,
                -0.0007098378664527338,
                -1.6436752003912147e-07
              ],
              [
                -9569.154912286893,
                2.6441304823893006,
                -0.0007102758354449179,
                6.87468855176121e-08
              ],
              [
                -9566.51149201159,
                2.64271013646794,
                -0.0007100334660208318,
                1.3820317690260708e-07
              ],
              [
                -9563.869491770387,
                2.641290484125435,
                -0.0007095837038586517,
                1.6490346110842324e-07
              ],
              [
                -9561.228910705066,
                2.640178873420828,
                -0.0007092180490309019,
                1.766816586368236e-07
              ]
            ],
            "knots": [
              0.49998089989570205,
              0.5000990653899101,
              0.5002172175751332,
              0.5003353697603563,
              0.5004535219455795,
              0.5005716741308026,
              0.5006898263160258,
              0.5008079785012488,
              0.5009261444295846
            ],
            "max_abs_error": 0.7450248789900797
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -1.608316220523533,
                -0.018926498121808463,
                0.04595636053148944,
                -0.0218301528564151
              ],
              [
                -1.603116510970267,
                0.0074983176094676795,
                -0.0005216763124122415,
                9.222858105224167e-05
              ],
              [
                -1.5960476410921594,
                0.006731962212061404,
                -0.00025597927145781796,
                2.873235233735727e-05
              ],
              [
                -1.5895429257992184,
                0.0063062849322612635,
                -0.00016892099683118913,
                1.392960888324437e-05
              ],
              [
                -1.583391632254905,
                0.006010265759577749,
                -0.00012588431823701285,
                8.209942812698046e-06
              ],
              [
                -1.5774990408707517,
                0.005783143911401112,
                -0.0001002665705858172,
                5.409892114728067e-06
              ],
              [
                -1.5718107536378216,
                0.005598850095833703,
                -8.32869866897925e-05,
                3.832612212697692e-06
              ],
              [
                -1.566291357916465,
                0.0054444131666509365,
                -7.12286118471862e-05,
                2.8578591904316816e-06
              ]
            ],
            "knots": [
              0.49998089989570205,
              0.5000990653899101,
              0.5002172175751332,
              0.5003353697603563,
              0.5004535219455795,
              0.5005716741308026,
              0.5006898263160258,
              0.5008079785012488,
              0.5009261444295846
            ],
            "max_abs_error": 0.0019684881708228463
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -9098.858111234005,
              -6.257483133438275,
              12.056152802147801,
              -5.524966620816224
            ],
            [
              -9098.584408186114,
              1.279664683388546,
              0.2894440356794803,
              -0.0513976630390971
            ],
            [
              -9097.066697130085,
              1.7043394923384767,
              0.14507327587489272,
              -0.016831211396493018
            ],
            [
              -9095.234115573268,
              1.9440997155101114,
              0.09579818896552839,
              -0.008321887150924301
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.49998089989570205,
            0.5002172175751332,
            0.5004535219455795,
            0.5006898263160258,
            0.5009261444295846
          ],
          "max_abs_error": 0.585537790613671,
          "phase": "L10_SOLO",
          "x_hi": 0.5009261444295846,
          "x_lo": 0.49998089989570205
        },
        {
          "enthalpy": {
            "intercept": -13217.858340645893,
            "slope": 7305.006816802841
          },
          "entropy": {
            "intercept": 6.950371230513665,
            "slope": -5.486147046412006
          },
          "intercept": -15290.111523023508,
          "kind": "two_phase",
          "left": {
            "phase": "L10_SOLO",
            "x": 0.5009261444295846
          },
          "mu_a_rel": -15290.111523023508,
          "mu_b_rel": -6349.409964332977,
          "right": {
            "phase": "L12_FCC#1",
            "x": 0.7454751137165039
          },
          "slope": 8940.70155869053,
          "x_hi": 0.7454751137165039,
          "x_lo": 0.5009261444295846
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -7772.157553189959,
                -13.671411513343296,
                0.30658993406886204,
                0.042787931683241354
              ],
              [
                -7785.479586837551,
                -13.67386249306271,
                17.66068934618636,
                36.84052591395482
              ],
              [
                -7744.652234070472,
                113.21042035283352,
                0.013364765683917312,
                -0.08568394399478052
              ],
              [
                -7631.51413289595,
                112.97799199287692,
                -0.2093377371929961,
                -0.0017971555061961908
              ],
              [
                -7518.747275795772,
                140.6922401885847,
                -0.33412256207199675,
                0.0023699362832019233
              ],
              [
                -7378.386788232974,
                84.01742987413537,
                -0.11571348930102943,
                0.00041432894887805105
              ],
              [
                -7294.484657519194,
                139.64360287792513,
                -0.3202579728521755,
                0.004593666689231668
              ],
              [
                -7155.156718947433,
                83.41104705066346,
                -0.112010990944313,
                0.0012309250341644429
              ],
              [
                -7071.856451962676,
                83.19071656102506,
                -0.10759562553903379,
                0.0004906696922262199
              ],
              [
                -6988.772840357501,
                138.29499380318663,
                -0.2921675076707402,
                0.0034824157649495646
              ],
              [
                -6850.766531646219,
                82.63266269492716,
                -0.10045273768081131,
                0.0005036483998850372
              ],
              [
                -6768.233818040574,
                137.38877872507405,
                -0.2721464253625925,
                0.0035629288775851364
              ],
              [
                -6631.113622811984,
                136.85518068971336,
                -0.25936803922797935,
                0.0033544353142360706
              ],
              [
                -6494.514455726185,
                81.80791567040434,
                -0.08893505712192962,
                0.000411888552193318
              ],
              [
                -6412.795063224349,
                136.05215946317492,
                -0.24139921986792956,
                0.002184955440355907
              ],
              [
                -6276.982118025603,
                81.34593347890646,
                -0.08416000520561795,
                0.00018994943390282515
              ]
            ],
            "knots": [
              0.7454751137165039,
              0.7483471846838994,
              0.7512192484226327,
              0.7540913121613659,
              0.7569633759000993,
              0.760553455573516,
              0.762707503377566,
              0.7662975830509826,
              0.7684516308550327,
              0.7706056786590827,
              0.7741957583324993,
              0.7763498061365494,
              0.779939885809966,
              0.7835299654833826,
              0.7856840132874326,
              0.7892740929608493,
              0.7914281504262829
            ],
            "max_abs_error": 8.046281876097055
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -1.8558092368562509,
                -0.1060563389955226,
                -0.007217550321478999,
                -0.0026650408373137535
              ],
              [
                -1.971748167010566,
                -0.12778977696010713,
                0.011764412360779991,
                0.09892120096909238
              ],
              [
                -1.9888523306408015,
                0.1414970831898826,
                -0.01877713657690705,
                0.003634744338746887
              ],
              [
                -1.8624976396890789,
                0.11497720651879283,
                -0.007304952815366583,
                0.0008156947440944862
              ],
              [
                -1.7540096912415581,
                0.10284066655725965,
                -0.0044363332403385275,
                0.0003513990224419533
              ],
              [
                -1.655253958902195,
                0.09503336612617945,
                -0.0031559072984724684,
                0.00020100521297604368
              ],
              [
                -1.563175494861512,
                0.11165580395729889,
                -0.003791646668537055,
                0.0002626019010430053
              ],
              [
                -1.4550487356717072,
                0.06292018605556883,
                -0.0010423150715066429,
                2.7861695286450494e-05
              ],
              [
                -1.3931430029923586,
                0.10153366077436796,
                -0.00253599441204784,
                0.00013281535353788787
              ],
              [
                -1.2940125212765006,
                0.058116689297925905,
                -0.000742053682388992,
                1.4560876990803162e-05
              ],
              [
                -1.2366233247839729,
                0.09446121944953242,
                -0.0018644704918398258,
                8.105288370410801e-05
              ],
              [
                -1.143945522942576,
                0.0545855704732805,
                -0.0005657390669826512,
                9.411856982666222e-06
              ],
              [
                -1.0899162796792954,
                0.0891376427509022,
                -0.0014437585696401994,
                5.4157325343542895e-05
              ],
              [
                -1.0021682381726897,
                0.05184776453129647,
                -0.0004490998186907971,
                6.328073007828838e-06
              ],
              [
                -0.9507632453870762,
                0.0849478908708408,
                -0.0011615319257537032,
                3.5791119419162354e-05
              ],
              [
                -0.86694109532257,
                0.04963970420381084,
                -0.00037173391369217657,
                4.026223300770959e-06
              ]
            ],
            "knots": [
              0.7454751137165039,
              0.7483471846838994,
              0.7512192484226327,
              0.7540913121613659,
              0.7569633759000993,
              0.7598354396388327,
              0.762707503377566,
              0.7662975830509826,
              0.7684516308550327,
              0.7720417105284493,
              0.7741957583324993,
              0.7777858380059159,
              0.779939885809966,
              0.7835299654833826,
              0.7856840132874326,
              0.7892740929608493,
              0.7914281504262829
            ],
            "max_abs_error": 0.022447456900401175
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -7218.848029221272,
              17.949285958190384,
              2.4585025623840373,
              0.8373698573447292
            ],
            [
              -7197.602870843353,
              24.426659507595325,
              14.15312980081687,
              7.347169845021952
            ],
            [
              -7151.67591168992,
              71.02306499976928,
              5.611768036107151,
              -1.1693829686041681
            ],
            [
              -7076.21046162265,
              78.69753786928413,
              1.9686339447216596,
              -0.24499654345709132
            ],
            [
              -6995.789286352099,
              81.89184741682402,
              1.1090596079884705,
              -0.10377799296840351
            ],
            [
              -6912.892157320255,
              83.79586244202243,
              0.7288877560364284,
              -0.05647660403120369
            ],
            [
              -6828.42388372623,
              106.35342492802816,
              0.8102214813973347,
              -0.07370109010868475
            ],
            [
              -6721.333938406912,
              64.65139357818907,
              0.1987552476402925,
              -0.007076039421008318
            ],
            [
              -6656.490865620506,
              108.37893330844173,
              0.4565667678470078,
              -0.0361515706207598
            ],
            [
              -6547.691517114836,
              65.50998190742985,
              0.11809010270690123,
              -0.003842257179258013
            ],
            [
              -6482.0672873618805,
              109.55749191273868,
              0.27617732979349796,
              -0.020629702852673404
            ],
            [
              -6372.2542478222,
              66.0286818371742,
              0.0727789853062859,
              -0.002297025888765347
            ],
            [
              -6306.155084025606,
              110.27879250357387,
              0.1710885781968301,
              -0.012792571159550903
            ],
            [
              -6195.717995514993,
              66.34950467538329,
              0.044964053866351605,
              -0.0014748264493391616
            ],
            [
              -6129.325001612194,
              110.72494580002625,
              0.10491152381717939,
              -0.008486166826230601
            ],
            [
              -6018.503630455179,
              66.5458556705089,
              0.02667246123662892,
              -0.001010469091013988
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.7454751137165039,
            0.7483471846838994,
            0.7512192484226327,
            0.7540913121613659,
            0.7569633759000993,
            0.7598354396388327,
            0.762707503377566,
            0.7662975830509826,
            0.7684516308550327,
            0.7720417105284493,
            0.7741957583324993,
            0.7777858380059159,
            0.779939885809966,
            0.7835299654833826,
            0.7856840132874326,
            0.7892740929608493,
            0.7914281504262829
          ],
          "max_abs_error": 1.3535726012405576,
          "phase": "L12_FCC#1",
          "x_hi": 0.7914281504262829,
          "x_lo": 0.7454751137165039
        },
        {
          "enthalpy": {
            "intercept": -30958.905011473267,
            "slope": 31289.239387722977
          },
          "entropy": {
            "intercept": 11.22542054697724,
            "slope": -9.837405806230406
          },
          "intercept": -34305.76414755453,
          "kind": "two_phase",
          "left": {
            "phase": "L12_FCC#1",
            "x": 0.7914281504262829
          },
          "mu_a_rel": -34305.76414755453,
          "mu_b_rel": -83.50221870395762,
          "right": {
            "phase": "A1_FCC",
            "x": 0.9775657512616976
          },
          "slope": 34222.261928850574,
          "x_hi": 0.9775657512616976,
          "x_lo": 0.7914281504262829
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -371.61620300675287,
                335.09843833417847,
                31.263107328517492,
                5.254657344056966
              ]
            ],
            "knots": [
              0.9775657512616976,
              1.0
            ],
            "max_abs_error": 0.0033603025325419367
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.7160083460730429,
                -0.7470668370387568,
                0.029382252541067078,
                0.0016762384246465922
              ]
            ],
            "knots": [
              0.9775657512616976,
              1.0
            ],
            "max_abs_error": 1.1789445515109076e-05
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -585.0940913884315,
              557.8364157972132,
              22.502788733259422,
              4.754886857958809
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.9775657512616976,
            1.0
          ],
          "max_abs_error": 0.0007014070300641606,
          "phase": "A1_FCC",
          "x_hi": 1.0,
          "x_lo": 0.9775657512616976
        }
      ],
      "phase_instances": {
        "L12_FCC#1": "L12_FCC",
        "L12_FCC#2": "L12_FCC"
      },
      "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": "CBCC_A12",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.7987018778949277,
          "energy_per_atom": -0.7987018778949277,
          "enthalpy": 0.4678864831545258,
          "entries_at_x": 1,
          "entropy": 0.004248158178938866,
          "formula": "",
          "nsites": null,
          "phase": "CBCC_A12",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 3.312649556443362e-05
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -10817.140185223441,
          "energy_per_atom": -10817.140185223441,
          "enthalpy": -9578.377592383102,
          "entries_at_x": 1,
          "entropy": 4.154830095053981,
          "formula": "",
          "nsites": null,
          "phase": "L10_SOLO",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.49998089989570205
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -10811.480362733084,
          "energy_per_atom": -10811.480362733084,
          "enthalpy": -9558.589440873013,
          "entries_at_x": 1,
          "entropy": 4.202216742780745,
          "formula": "",
          "nsites": null,
          "phase": "L10_SOLO",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5009261444295846
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -8625.041011853362,
          "energy_per_atom": -8625.041011853362,
          "enthalpy": -7772.157553189959,
          "entries_at_x": 1,
          "entropy": 2.860585137224213,
          "formula": "",
          "nsites": null,
          "phase": "L12_FCC#1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.7454751137165039
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -7221.302685800525,
          "energy_per_atom": -7221.302685800525,
          "enthalpy": -6195.720154602469,
          "entries_at_x": 1,
          "entropy": 3.4398206647595337,
          "formula": "",
          "nsites": null,
          "phase": "L12_FCC#1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.7914281504262829
        },
        {
          "collinear": false,
          "degenerate": [
            {
              "energy": -851.2529552031265,
              "phase": "L12_FCC"
            }
          ],
          "energy": -851.2529552031265,
          "energy_per_atom": -851.2529552031265,
          "enthalpy": -371.61620300675287,
          "entries_at_x": 1,
          "entropy": 1.608709549543427,
          "formula": "",
          "nsites": null,
          "phase": "A1_FCC",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.9775657512616976
        },
        {
          "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": "L12_FCC#2",
          "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": "MnNi-07Fra-2SL",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:48:37Z",
    "phase_families": {
      "BCC_A2": "A2_BCC",
      "FCC_A1": "A1_FCC"
    },
    "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/MnNi-07Fra-2SL.tdb",
    "source_sha256": "0484cb934a365f175b5b6890216670d3f56a9992d327952d4e55353bb610a19f"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "MN-NI",
  "x_element": "NI"
}
