{
  "counts": {
    "above_hull": 0,
    "entries": 5,
    "intervals": 4,
    "vertices": 5
  },
  "elements": [
    "SB",
    "ZN"
  ],
  "flags": [
    "has_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "SB": {
          "energy": -13572.360715277402,
          "phase": "RHOMBOHEDRAL_A7"
        },
        "ZN": {
          "energy": -12411.984227771738,
          "phase": "HCP_A3"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -22968.16766610772
          },
          "entropy": {
            "intercept": 0.0,
            "slope": -7.750449612799477
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "RHOMBOHEDRAL_A7",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -20657.371114051584,
          "right": {
            "phase": "SBZN_BE",
            "x": 0.499864368159524
          },
          "slope": -20657.371114051584,
          "x_hi": 0.499864368159524,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -11480.968618200946,
                -7.024916668741491,
                -0.0038500456152723572,
                -3.0574142693140516e-06
              ]
            ],
            "knots": [
              0.499864368159524,
              0.49999994916637114
            ],
            "max_abs_error": 2.8558133635669947e-10
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -9.63731961439257,
                -0.014168357746415207,
                0.006086778588347639,
                -0.008332484914103131
              ]
            ],
            "knots": [
              0.499864368159524,
              0.49999994916637114
            ],
            "max_abs_error": 0.0009220856947944611
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -8607.601775169813,
              -2.8006208067527076,
              -1.8186230812909108,
              2.484327319388443
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.499864368159524,
            0.49999994916637114
          ],
          "max_abs_error": 0.27491984984044393,
          "phase": "SBZN_BE",
          "x_hi": 0.49999994916637114,
          "x_lo": 0.499864368159524
        },
        {
          "enthalpy": {
            "intercept": -25844.682690127156,
            "slope": 28713.37352351882
          },
          "entropy": {
            "intercept": -21.202190318169098,
            "slope": 34.62320944274334
          },
          "intercept": -19523.24964676512,
          "kind": "two_phase",
          "left": {
            "phase": "SBZN_BE",
            "x": 0.49999994916637114
          },
          "mu_a_rel": -19523.24964676512,
          "mu_b_rel": -1132.7860186000871,
          "right": {
            "phase": "SB3ZN4_BETA",
            "x": 0.5652173197426996
          },
          "slope": 18390.463628165035,
          "x_hi": 0.5652173197426996,
          "x_lo": 0.49999994916637114
        },
        {
          "enthalpy": {
            "intercept": -22115.385692692624,
            "slope": 22115.385692692624
          },
          "entropy": {
            "intercept": -3.754870536897771,
            "slope": 3.754870536897771
          },
          "intercept": -20995.871042116563,
          "kind": "two_phase",
          "left": {
            "phase": "SB3ZN4_BETA",
            "x": 0.5652173197426996
          },
          "mu_a_rel": -20995.871042116563,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "HCP_A3",
            "x": 1.0
          },
          "slope": 20995.871042116563,
          "x_hi": 1.0,
          "x_lo": 0.5652173197426996
        }
      ],
      "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": -10325.883759762197,
          "energy_per_atom": -10325.883759762197,
          "enthalpy": -11480.968618200946,
          "entries_at_x": 1,
          "entropy": -3.874173598654238,
          "formula": "",
          "nsites": null,
          "phase": "SBZN_BE",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.499864368159524
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -10328.018767536607,
          "energy_per_atom": -10328.018767536607,
          "enthalpy": -11487.997387972719,
          "entries_at_x": 1,
          "entropy": -3.8905873568208094,
          "formula": "",
          "nsites": null,
          "phase": "SBZN_BE",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.49999994916637114
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -9128.641086028078,
          "energy_per_atom": -9128.641086028078,
          "enthalpy": -9615.386666392853,
          "entries_at_x": 1,
          "entropy": -1.6325526760515814,
          "formula": "",
          "nsites": null,
          "phase": "SB3ZN4_BETA",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5652173197426996
        },
        {
          "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": "SbZn-22Zha",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T01:00:40Z",
    "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/SbZn-22Zha.tdb",
    "source_sha256": "7c5dd94e653096cdc663fdd27557d7ed5e13124c2593bd414b3a987fe55bb960"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "SB-ZN",
  "x_element": "ZN"
}
