{
  "counts": {
    "above_hull": 0,
    "entries": 7,
    "intervals": 6,
    "vertices": 7
  },
  "elements": [
    "SB",
    "SN"
  ],
  "flags": [
    "has_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "SB": {
          "energy": -13572.360744137959,
          "phase": "RHOMBOHEDRAL_A7"
        },
        "SN": {
          "energy": -15259.304696102912,
          "phase": "BCT_A5"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                0.0,
                53.28750106703479,
                0.3183075920533085,
                -0.007870268462880858
              ]
            ],
            "knots": [
              0.0,
              0.011270574245460152
            ],
            "max_abs_error": 6.287181283681775e-05
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.0,
                0.027676911152514586,
                -0.00028008892134521665,
                -1.611794546210049e-05
              ]
            ],
            "knots": [
              0.0,
              0.011270574245460152
            ],
            "max_abs_error": 2.3572263295849882e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              0.0,
              45.03563000701275,
              0.4018161036552499,
              -0.0030647028290289313
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.0,
            0.011270574245460152
          ],
          "max_abs_error": 0.0006399352260899605,
          "phase": "RHOMBOHEDRAL_A7",
          "x_hi": 0.011270574245460152,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": 135.0887955451974,
            "slope": -7230.408618034446
          },
          "entropy": {
            "intercept": 0.548658008382537,
            "slope": -0.688723064491658
          },
          "intercept": -28.49358965405885,
          "kind": "two_phase",
          "left": {
            "phase": "RHOMBOHEDRAL_A7",
            "x": 0.011270574245460152
          },
          "mu_a_rel": -28.49358965405885,
          "mu_b_rel": -7053.5594260103,
          "right": {
            "phase": "SBSN",
            "x": 0.5077075931053892
          },
          "slope": -7025.065836356241,
          "x_hi": 0.5077075931053892,
          "x_lo": 0.011270574245460152
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -3535.844561085534,
                -525.336559045415,
                55.70925776889425,
                1.7295586274888706
              ]
            ],
            "knots": [
              0.5077075931053892,
              0.5464460717252405
            ],
            "max_abs_error": 0.0009332687977803289
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -5.563170329102713,
                -0.8392727132688033,
                0.04690603392768766,
                -0.03973630409470141
              ]
            ],
            "knots": [
              0.5077075931053892,
              0.5464460717252405
            ],
            "max_abs_error": 0.001323312762449902
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -1877.1853274635548,
              -275.1073995843907,
              41.724223753538126,
              13.576937693204627
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.5077075931053892,
            0.5464460717252405
          ],
          "max_abs_error": 0.3950981241716818,
          "phase": "SBSN",
          "x_hi": 0.5464460717252405,
          "x_lo": 0.5077075931053892
        },
        {
          "enthalpy": {
            "intercept": 913.9798779217031,
            "slope": -8999.464789142006
          },
          "entropy": {
            "intercept": 9.532782125720168,
            "slope": -18.667594033781892
          },
          "intercept": -1928.2191128618376,
          "kind": "two_phase",
          "left": {
            "phase": "SBSN",
            "x": 0.5464460717252405
          },
          "mu_a_rel": -1928.2191128618376,
          "mu_b_rel": -5361.940740831638,
          "right": {
            "phase": "SB3SN4",
            "x": 0.5714285714285714
          },
          "slope": -3433.7216279698005,
          "x_hi": 0.5714285714285714,
          "x_lo": 0.5464460717252405
        },
        {
          "enthalpy": {
            "intercept": -10152.468330759679,
            "slope": 10366.819576050413
          },
          "entropy": {
            "intercept": -3.870427213995517,
            "slope": 4.788022310720558
          },
          "intercept": -8998.500456906906,
          "kind": "two_phase",
          "left": {
            "phase": "SB3SN4",
            "x": 0.5714285714285714
          },
          "mu_a_rel": -8998.500456906906,
          "mu_b_rel": -59.22973279783582,
          "right": {
            "phase": "BCT_A5",
            "x": 0.9783438532941495
          },
          "slope": 8939.27072410907,
          "x_hi": 0.9783438532941495,
          "x_lo": 0.5714285714285714
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -10.154120321296382,
                3.6975444110821716,
                6.456648009736288,
                -7.209952207887227e-05
              ]
            ],
            "knots": [
              0.9783438532941495,
              1.0
            ],
            "max_abs_error": 9.88151900838119e-06
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -0.054261154575187986,
                0.0492256596126121,
                0.005022424436012238,
                1.3070526563650764e-05
              ]
            ],
            "knots": [
              0.9783438532941495,
              1.0
            ],
            "max_abs_error": 1.9377611230469993e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              6.023842915297166,
              -10.979086002567728,
              4.959212164848828,
              -0.003969077578266367
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.9783438532941495,
            1.0
          ],
          "max_abs_error": 0.000587625046721274,
          "phase": "BCT_A5",
          "x_hi": 1.0,
          "x_lo": 0.9783438532941495
        }
      ],
      "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": "RHOMBOHEDRAL_A7",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -107.67011574195749,
          "energy_per_atom": -107.67011574195749,
          "enthalpy": 53.59793839062523,
          "entries_at_x": 1,
          "entropy": 0.5408957039496229,
          "formula": "",
          "nsites": null,
          "phase": "RHOMBOHEDRAL_A7",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.011270574245460152
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -3595.1728568373837,
          "energy_per_atom": -3595.1728568373837,
          "enthalpy": -3535.844561085534,
          "entries_at_x": 1,
          "entropy": 0.19898807899330961,
          "formula": "",
          "nsites": null,
          "phase": "SBSN",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5077075931053892
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -3804.562807863933,
          "energy_per_atom": -3804.562807863933,
          "enthalpy": -4003.7423037345666,
          "entries_at_x": 1,
          "entropy": -0.6680513026014836,
          "formula": "",
          "nsites": null,
          "phase": "SBSN",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5464460717252405
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -3890.3457574160093,
          "energy_per_atom": -3890.3457574160093,
          "enthalpy": -4228.5714301594435,
          "entries_at_x": 1,
          "entropy": -1.1344144650123411,
          "formula": "",
          "nsites": null,
          "phase": "SB3SN4",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5714285714285714
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -252.81989104245622,
          "energy_per_atom": -252.81989104245622,
          "enthalpy": -10.154120321296382,
          "entries_at_x": 1,
          "entropy": 0.8139049831331917,
          "formula": "",
          "nsites": null,
          "phase": "BCT_A5",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.9783438532941495
        },
        {
          "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": "BCT_A5",
          "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": "SbSn-20Gie",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T01:00:25Z",
    "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/SbSn-20Gie.tdb",
    "source_sha256": "6e68652e3e5cdb6f3327244338285adeda74c92830d9640a0534ff17c01ac848"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "SB-SN",
  "x_element": "SN"
}
