{
  "counts": {
    "above_hull": 0,
    "entries": 3,
    "intervals": 2,
    "vertices": 3
  },
  "elements": [
    "RU",
    "ZR"
  ],
  "flags": [
    "has_intermediate_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "RU": {
          "energy": -8531.377748321494,
          "phase": "HCP_A3"
        },
        "ZR": {
          "energy": -11681.783918740377,
          "phase": "HCP_A3"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -137299.99145091118
          },
          "entropy": {
            "intercept": 0.0,
            "slope": -14.226059187901512
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "HCP_A3#1",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -133058.49190403835,
          "right": {
            "phase": "RUZR_B2",
            "x": 0.5
          },
          "slope": -133058.49190403835,
          "x_hi": 0.5,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -137299.99145091118,
            "slope": 137299.99145091118
          },
          "entropy": {
            "intercept": -14.226059187901512,
            "slope": 14.226059187901512
          },
          "intercept": -133058.49190403835,
          "kind": "two_phase",
          "left": {
            "phase": "RUZR_B2",
            "x": 0.5
          },
          "mu_a_rel": -133058.49190403835,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "HCP_A3#2",
            "x": 1.0
          },
          "slope": 133058.49190403835,
          "x_hi": 1.0,
          "x_lo": 0.5
        }
      ],
      "phase_instances": {
        "HCP_A3#1": "HCP_A3",
        "HCP_A3#2": "HCP_A3"
      },
      "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#1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -66529.24595201918,
          "energy_per_atom": -66529.24595201918,
          "enthalpy": -68649.99572545559,
          "entries_at_x": 1,
          "entropy": -7.113029593950756,
          "formula": "",
          "nsites": null,
          "phase": "RUZR_B2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5
        },
        {
          "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#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": "RuZr-05Che-LB",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T01:00:10Z",
    "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/RuZr-05Che-LB.tdb",
    "source_sha256": "5b8a10c1760f63f110d2832696dedc7c6fab1b17af0e52f5a7a25bd30475c74c"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "RU-ZR",
  "x_element": "ZR"
}