{
  "counts": {
    "above_hull": 0,
    "entries": 7,
    "intervals": 6,
    "vertices": 7
  },
  "elements": [
    "AL",
    "MG"
  ],
  "flags": [
    "has_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "AL": {
          "energy": -8437.646013416432,
          "phase": "FCC_A1"
        },
        "MG": {
          "energy": -9740.85845547352,
          "phase": "HCP_A3"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                0.0,
                47.21737493616983,
                -0.3120238379069491,
                0.0020801724051722204
              ]
            ],
            "knots": [
              0.0,
              0.005012024192091408
            ],
            "max_abs_error": 0.0003304658089291479
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.0,
                0.01991676857081876,
                -3.2080493064443744e-05,
                -7.027761279119332e-06
              ]
            ],
            "knots": [
              0.0,
              0.005012024192091408
            ],
            "max_abs_error": 3.3113562217298304e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              0.0,
              41.2791903868244,
              -0.30245903887372094,
              0.004175499359696744
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.0,
            0.005012024192091408
          ],
          "max_abs_error": 0.0007025817441537185,
          "phase": "FCC_A1",
          "x_hi": 0.005012024192091408,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": 61.56469148371254,
            "slope": -2924.419286756941
          },
          "entropy": {
            "intercept": 0.24728373696693298,
            "slope": 6.954179570039926
          },
          "intercept": -12.162954692979081,
          "kind": "two_phase",
          "left": {
            "phase": "FCC_A1",
            "x": 0.005012024192091408
          },
          "mu_a_rel": -12.162954692979081,
          "mu_b_rel": -5009.970880257332,
          "right": {
            "phase": "ALMG_BETA",
            "x": 0.38864628820960695
          },
          "slope": -4997.807925564353,
          "x_hi": 0.38864628820960695,
          "x_lo": 0.005012024192091408
        },
        {
          "enthalpy": {
            "intercept": 210.86462826510547,
            "slope": -3308.5730566776037
          },
          "entropy": {
            "intercept": 4.544761179026294,
            "slope": -4.103374747168992
          },
          "intercept": -1144.1559172615912,
          "kind": "two_phase",
          "left": {
            "phase": "ALMG_BETA",
            "x": 0.38864628820960695
          },
          "mu_a_rel": -1144.1559172615912,
          "mu_b_rel": -3229.3077930707514,
          "right": {
            "phase": "AL12MG17_A12",
            "x": 0.5763777589879814
          },
          "slope": -2085.15187580916,
          "x_hi": 0.5763777589879814,
          "x_lo": 0.38864628820960695
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -1696.1232955907474,
                -15.122933319070581,
                -0.5102002055333248,
                0.43074522385686187
              ],
              [
                -1711.3256838914947,
                -15.14284456343896,
                0.2993816219635317,
                -0.17957923280058985
              ],
              [
                -1726.3487260657698,
                -15.082828626932224,
                0.02374153566456627,
                -0.0015154564570813989
              ],
              [
                -1741.4093286134944,
                -15.039915255792163,
                0.026533247669334514,
                0.007429375370890057
              ],
              [
                -1756.4152812462469,
                -14.964627508228176,
                0.04853883002440185,
                0.019261243835014596
              ],
              [
                -1771.3121086806157,
                -17.164733026198338,
                4.831203906346824,
                -2.317440868416421
              ],
              [
                -1785.9630786688833,
                -14.41608550727587,
                0.5577326469381472,
                0.222845378508028
              ],
              [
                -1799.5985861507138,
                -12.713655237201989,
                0.12844955848908413,
                4.964093006823585
              ]
            ],
            "knots": [
              0.5763777589879814,
              0.577587098510195,
              0.5787964594941727,
              0.5800058204781504,
              0.581215181462128,
              0.5824245424461058,
              0.5836339034300835,
              0.5848432644140612,
              0.586050105532406
            ],
            "max_abs_error": 0.3417789448089934
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -3.4860923904592482,
                -0.039167935402127936,
                -0.002329481475173409,
                0.0014265709170059176
              ],
              [
                -3.526163236419544,
                -0.040532594706794475,
                0.0003191929597860105,
                -0.000642994677764977
              ],
              [
                -3.5670196328443176,
                -0.0418231419639375,
                -0.0007272067809806701,
                -5.4219330658557274e-05
              ],
              [
                -3.609624200919894,
                -0.04344015160507207,
                -0.0008742711550488724,
                -4.707139479556699e-05
              ],
              [
                -3.6539856950748097,
                -0.045329869219694126,
                -0.001028627368093303,
                -5.118381035094238e-05
              ],
              [
                -3.700395375472948,
                -0.05550196336834893,
                0.0147779366668426,
                -0.008050929652762023
              ],
              [
                -3.7491703318272185,
                -0.049967514936628654,
                -0.0003202952206689397,
                0.00023893065622652976
              ],
              [
                -3.799219211328289,
                -0.05014286697266925,
                -0.0033108055093656677,
                0.015202809616103298
              ]
            ],
            "knots": [
              0.5763777589879814,
              0.577587098510195,
              0.5787964594941727,
              0.5800058204781504,
              0.581215181462128,
              0.5824245424461058,
              0.5836339034300835,
              0.5848432644140612,
              0.586050105532406
            ],
            "max_abs_error": 0.0011534365650125444
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -656.744849375325,
              -13.780236928526245,
              2.654451619225207,
              0.8911884249308093
            ],
            [
              -666.9794462596954,
              -5.795087718032205,
              0.21163878585710805,
              9.48489899027069
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.5763777589879814,
            0.581215181462128,
            0.586050105532406
          ],
          "max_abs_error": 0.500290515870347,
          "phase": "AL12MG17_A12",
          "x_hi": 0.586050105532406,
          "x_lo": 0.5763777589879814
        },
        {
          "enthalpy": {
            "intercept": -4422.417653251236,
            "slope": 4462.41358842998
          },
          "entropy": {
            "intercept": 4.129741090010921,
            "slope": -3.972033869665135
          },
          "intercept": -5653.699959237996,
          "kind": "two_phase",
          "left": {
            "phase": "AL12MG17_A12",
            "x": 0.586050105532406
          },
          "mu_a_rel": -5653.699959237996,
          "mu_b_rel": -7.024472567353769,
          "right": {
            "phase": "HCP_A3",
            "x": 0.9971164407673393
          },
          "slope": 5646.675486670642,
          "x_hi": 0.9971164407673393,
          "x_lo": 0.586050105532406
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                27.128301275876698,
                -27.004701550547306,
                -0.12390241032138505,
                0.00030268499198982113
              ]
            ],
            "knots": [
              0.9971164407673393,
              1.0
            ],
            "max_abs_error": 0.0001291620301167029
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.004995435146192856,
                -0.005030563276427391,
                1.8496868606302994e-05,
                1.663126162823169e-05
              ]
            ],
            "knots": [
              0.9971164407673393,
              1.0
            ],
            "max_abs_error": 2.384954481997152e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              25.638912287036888,
              -25.50483910922407,
              -0.12941725252084169,
              -0.0046559252919777805
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.9971164407673393,
            1.0
          ],
          "max_abs_error": 0.0005819121943755334,
          "phase": "HCP_A3",
          "x_hi": 1.0,
          "x_lo": 0.9971164407673393
        }
      ],
      "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": -37.212088923333795,
          "energy_per_atom": -37.212088923333795,
          "enthalpy": 46.90743127066805,
          "entries_at_x": 1,
          "entropy": 0.2821382532081209,
          "formula": "",
          "nsites": null,
          "phase": "FCC_A1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.005012024192091408
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -1954.5424541481207,
          "energy_per_atom": -1954.5424541481207,
          "enthalpy": -1075.0000094829588,
          "entries_at_x": 1,
          "entropy": 2.9499998144060307,
          "formula": "",
          "nsites": null,
          "phase": "ALMG_BETA",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.38864628820960695
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -2345.9910825900606,
          "energy_per_atom": -2345.9910825900606,
          "enthalpy": -1696.1232955907474,
          "entries_at_x": 1,
          "entropy": 2.1796672379651554,
          "formula": "",
          "nsites": null,
          "phase": "AL12MG17_A12",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5763777589879814
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -2344.465194367416,
          "energy_per_atom": -2344.465194367416,
          "enthalpy": -1807.219698822603,
          "entries_at_x": 1,
          "entropy": 1.8019302215153772,
          "formula": "",
          "nsites": null,
          "phase": "AL12MG17_A12",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.586050105532406
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -23.306995800781806,
          "energy_per_atom": -23.306995800781806,
          "enthalpy": 27.128301275876698,
          "entries_at_x": 1,
          "entropy": 0.16916081528309945,
          "formula": "",
          "nsites": null,
          "phase": "HCP_A3",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.9971164407673393
        },
        {
          "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": "AlMg-98Lia-LB",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:11:36Z",
    "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/AlMg-98Lia-LB.tdb",
    "source_sha256": "c2f1f390d6dd2b92f73524b186e1f73b2de2dcf8a056a8770a9e3842722b1e8f"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "AL-MG",
  "x_element": "MG"
}
