{
  "counts": {
    "above_hull": 0,
    "entries": 6,
    "intervals": 5,
    "vertices": 6
  },
  "elements": [
    "CO",
    "SB"
  ],
  "flags": [
    "has_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "CO": {
          "energy": -8956.449354399345,
          "phase": "HCP_A3"
        },
        "SB": {
          "energy": -13572.360749776604,
          "phase": "RHOMBOHEDRAL_A7"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -39004.12873044437
          },
          "entropy": {
            "intercept": 0.0,
            "slope": 6.929938813948036
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "HCP_A3",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -41070.28998782298,
          "right": {
            "phase": "COSB_B81",
            "x": 0.4743931395109116
          },
          "slope": -41070.28998782298,
          "x_hi": 0.4743931395109116,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -18503.291082323252,
                -1116.2897513378166,
                136.34929653754443,
                -4.962830143824249
              ]
            ],
            "knots": [
              0.4743931395109116,
              0.4999850310983541
            ],
            "max_abs_error": 0.26957272263462073
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -2.4647223453309444,
                -0.030069125418061438,
                -0.0028210193690995297,
                -0.00014900122928960396
              ],
              [
                -2.4977614913473944,
                -0.03615840627322175,
                -0.0032979548058995403,
                -0.000198553608486772
              ],
              [
                -2.5374164060350024,
                -0.04334949600691979,
                -0.003932389164067872,
                -0.0002767050428289855
              ],
              [
                -2.5849749962488184,
                -0.05204357630512982,
                -0.004813925696377411,
                -0.0004134818120776623
              ],
              [
                -2.6422459800624027,
                -0.06291033587743732,
                -0.0061202895513521455,
                -0.0006851269684095967
              ],
              [
                -2.7119617324596,
                -0.07720256227770064,
                -0.008234477982689878,
                -0.0013537488721773877
              ],
              [
                -2.798752521592169,
                -0.09771976723133793,
                -0.011979271953786064,
                -0.0038923051911401996
              ],
              [
                -2.9123438659684338,
                -0.06662474758552062,
                -0.006640008704369982,
                -0.0015230059972536347
              ],
              [
                -2.987131628255577,
                -0.08401251069306638,
                -0.0020144049658611107,
                -0.024088320655296563
              ]
            ],
            "knots": [
              0.4743931395109116,
              0.4775921330785479,
              0.48079111742214786,
              0.48399010176574775,
              0.4871890861093477,
              0.49038807045294763,
              0.4935870547965475,
              0.49678603914014746,
              0.49838553131194746,
              0.4999850310983541
            ],
            "max_abs_error": 0.000916447878366089
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -17768.43411506283,
              -130.57141970566875,
              3.003058738632717,
              0.03092952815040917
            ],
            [
              -17895.97154650172,
              -124.47207907071343,
              3.1021090468235,
              0.04605031962677231
            ],
            [
              -18017.295466205982,
              -118.12985549545965,
              3.2492408696964503,
              0.06970761838942963
            ],
            [
              -18132.10637321335,
              -111.42249560274377,
              3.4711721533731748,
              0.11082111553145069
            ],
            [
              -18239.94687554719,
              -104.14814755398926,
              3.8208325291264913,
              0.19213505463325475
            ],
            [
              -18340.082055517414,
              -95.93119014184383,
              4.4123770033505,
              0.3918005528655186
            ],
            [
              -18431.209068103046,
              -85.93491167861927,
              5.491087956714253,
              1.1489909565752185
            ],
            [
              -18510.503900868378,
              -44.710806797750365,
              3.5546143767415543,
              1.2382617884076552
            ],
            [
              -18550.421831500968,
              -20.606059147813678,
              2.621885998294661,
              3.655790054628537
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.4743931395109116,
            0.4775921330785479,
            0.48079111742214786,
            0.48399010176574775,
            0.4871890861093477,
            0.49038807045294763,
            0.4935870547965475,
            0.49678603914014746,
            0.49878540435489743,
            0.4999850310983541
          ],
          "max_abs_error": 0.10832259307790082,
          "phase": "COSB_B81",
          "x_hi": 0.4999850310983541,
          "x_lo": 0.4743931395109116
        },
        {
          "enthalpy": {
            "intercept": -11153.312775066152,
            "slope": -16670.2622554346
          },
          "entropy": {
            "intercept": 39.52277780167236,
            "slope": -73.71596359066582
          },
          "intercept": -22937.028976634723,
          "kind": "two_phase",
          "left": {
            "phase": "COSB_B81",
            "x": 0.4999850310983541
          },
          "mu_a_rel": -22937.028976634723,
          "mu_b_rel": -17628.8766875124,
          "right": {
            "phase": "COSB2_C18",
            "x": 0.6667
          },
          "slope": 5308.152289122323,
          "x_hi": 0.6667,
          "x_lo": 0.4999850310983541
        },
        {
          "enthalpy": {
            "intercept": -57081.569316098365,
            "slope": 52218.6781090955
          },
          "entropy": {
            "intercept": -19.946804081033363,
            "slope": 15.483949237751347
          },
          "intercept": -51134.4296793384,
          "kind": "two_phase",
          "left": {
            "phase": "COSB2_C18",
            "x": 0.6667
          },
          "mu_a_rel": -51134.4296793384,
          "mu_b_rel": -3532.2910354782944,
          "right": {
            "phase": "COSB3_D02",
            "x": 0.75
          },
          "slope": 47602.138643860104,
          "x_hi": 0.75,
          "x_lo": 0.6667
        },
        {
          "enthalpy": {
            "intercept": -71670.24293710697,
            "slope": 71670.24293710697
          },
          "entropy": {
            "intercept": -33.335368610879414,
            "slope": 33.335368610879414
          },
          "intercept": -61731.30278577329,
          "kind": "two_phase",
          "left": {
            "phase": "COSB3_D02",
            "x": 0.75
          },
          "mu_a_rel": -61731.30278577329,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "RHOMBOHEDRAL_A7",
            "x": 1.0
          },
          "slope": 61731.30278577329,
          "x_hi": 1.0,
          "x_lo": 0.75
        }
      ],
      "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": "HCP_A3",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -19483.463807946904,
          "energy_per_atom": -19483.463807946904,
          "enthalpy": -18503.291082323252,
          "entries_at_x": 1,
          "entropy": 3.287515430567332,
          "formula": "",
          "nsites": null,
          "phase": "COSB_B81",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.4743931395109116
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -20283.0322892831,
          "energy_per_atom": -20283.0322892831,
          "enthalpy": -19488.19436726734,
          "entries_at_x": 1,
          "entropy": 2.6658994533481675,
          "formula": "",
          "nsites": null,
          "phase": "COSB_B81",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.4999850310983541
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -19398.08384547687,
          "energy_per_atom": -19398.08384547687,
          "enthalpy": -22267.3766207644,
          "entries_at_x": 1,
          "entropy": -9.623655124224541,
          "formula": "",
          "nsites": null,
          "phase": "COSB2_C18",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6667
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -15432.825696443322,
          "energy_per_atom": -15432.825696443322,
          "enthalpy": -17917.560734276743,
          "entries_at_x": 1,
          "entropy": -8.333842152719853,
          "formula": "",
          "nsites": null,
          "phase": "COSB3_D02",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.75
        },
        {
          "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": "RHOMBOHEDRAL_A7",
          "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": "CoSb-09Zha",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:26:04Z",
    "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/CoSb-09Zha.tdb",
    "source_sha256": "1d903c43e17f1a21667b5517e6c90993e31848a08629eed7dfbd717c45653220"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "CO-SB",
  "x_element": "SB"
}
