{
  "counts": {
    "above_hull": 0,
    "entries": 3,
    "intervals": 2,
    "vertices": 3
  },
  "elements": [
    "CA",
    "H"
  ],
  "flags": [
    "gas_on_hull",
    "has_intermediate_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "CA": {
          "energy": -12399.462028106753,
          "phase": "FCC_A1"
        },
        "H": {
          "energy": -19464.805797212837,
          "phase": "GAS"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -88491.59827781649
          },
          "entropy": {
            "intercept": 0.0,
            "slope": -65.37893206587876
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "FCC_A1",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -68998.86968237473,
          "right": {
            "phase": "CAH2_C37",
            "x": 0.6666666666666666
          },
          "slope": -68998.86968237473,
          "x_hi": 0.6666666666666666,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -176983.19655563295,
            "slope": 176983.19655563295
          },
          "entropy": {
            "intercept": -130.7578641317575,
            "slope": 130.7578641317575
          },
          "intercept": -137997.73936474943,
          "kind": "two_phase",
          "left": {
            "phase": "CAH2_C37",
            "x": 0.6666666666666666
          },
          "mu_a_rel": -137997.73936474943,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "GAS",
            "x": 1.0
          },
          "slope": 137997.73936474943,
          "x_hi": 1.0,
          "x_lo": 0.6666666666666666
        }
      ],
      "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": -45999.24645491649,
          "energy_per_atom": -45999.24645491649,
          "enthalpy": -58994.39885187765,
          "entries_at_x": 1,
          "entropy": -43.58595471058584,
          "formula": "",
          "nsites": null,
          "phase": "CAH2_C37",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.6666666666666666
        },
        {
          "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": "GAS",
          "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": "CaH-11Wan",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:20:23Z",
    "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/CaH-11Wan.tdb",
    "source_sha256": "10f2af8543f879eea519b3257ccb4ed867e5a1c0b5eb1e7f2644b333ddf32816"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "CA-H",
  "x_element": "H"
}