{
  "counts": {
    "above_hull": 0,
    "entries": 5,
    "intervals": 4,
    "vertices": 5
  },
  "elements": [
    "P",
    "SI"
  ],
  "flags": [
    "has_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "P": {
          "energy": -24276.603414471345,
          "phase": "RED_P"
        },
        "SI": {
          "energy": -5608.211734394483,
          "phase": "DIAMOND_A4"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -45152.910327793805
          },
          "entropy": {
            "intercept": 0.0,
            "slope": -0.4986860932805257
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "RED_P",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -45004.227069082226,
          "right": {
            "phase": "SIP2",
            "x": 0.3333333333333333
          },
          "slope": -45004.227069082226,
          "x_hi": 0.3333333333333333,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": 687.9182701415921,
            "slope": -47216.66513821858
          },
          "entropy": {
            "intercept": 6.456652112861063,
            "slope": -19.868642431863716
          },
          "intercept": -1237.1325573079412,
          "kind": "two_phase",
          "left": {
            "phase": "SIP2",
            "x": 0.3333333333333333
          },
          "mu_a_rel": -1237.1325573079412,
          "mu_b_rel": -42529.961954466344,
          "right": {
            "phase": "SIP",
            "x": 0.5
          },
          "slope": -41292.829397158406,
          "x_hi": 0.5,
          "x_lo": 0.3333333333333333
        },
        {
          "enthalpy": {
            "intercept": -45840.92248424475,
            "slope": 45841.016370554105
          },
          "entropy": {
            "intercept": -6.955687036238269,
            "slope": 6.956035866334948
          },
          "intercept": -43767.084394390324,
          "kind": "two_phase",
          "left": {
            "phase": "SIP",
            "x": 0.5
          },
          "mu_a_rel": -43767.084394390324,
          "mu_b_rel": -0.010117383964825422,
          "right": {
            "phase": "DIAMOND_A4",
            "x": 0.9999958844436575
          },
          "slope": 43767.07427700636,
          "x_hi": 0.9999958844436575,
          "x_lo": 0.5
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -0.09477497631361961,
                0.09481478643463946,
                0.0037060995714702505,
                -0.0037459096924901264
              ]
            ],
            "knots": [
              0.9999958844436575,
              1.0
            ],
            "max_abs_error": 0.0005370696915597759
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -0.00013835276109627802,
                0.00013820145962174769,
                -1.3823200460814933e-05,
                1.3974501935345269e-05
              ]
            ],
            "knots": [
              0.9999958844436575,
              1.0
            ],
            "max_abs_error": 2.0036138389994203e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -0.05352510059081017,
              0.05361002120237896,
              0.00782748698282363,
              -0.00791240759439242
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.9999958844436575,
            1.0
          ],
          "max_abs_error": 0.0011344471683671538,
          "phase": "DIAMOND_A4",
          "x_hi": 1.0,
          "x_lo": 0.9999958844436575
        }
      ],
      "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": "RED_P",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -15001.409023027409,
          "energy_per_atom": -15001.409023027409,
          "enthalpy": -15050.970109264601,
          "entries_at_x": 1,
          "entropy": -0.16622869776017524,
          "formula": "",
          "nsites": null,
          "phase": "SIP2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.3333333333333333
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -21883.547255887144,
          "energy_per_atom": -21883.547255887144,
          "enthalpy": -22920.4142989677,
          "entries_at_x": 1,
          "entropy": -3.477669103070795,
          "formula": "",
          "nsites": null,
          "phase": "SIP",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.1902432440992925,
          "energy_per_atom": -0.1902432440992925,
          "enthalpy": -0.09477497631361961,
          "entries_at_x": 1,
          "entropy": 0.00032020213915018303,
          "formula": "",
          "nsites": null,
          "phase": "DIAMOND_A4",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.9999958844436575
        },
        {
          "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": "DIAMOND_A4",
          "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": "SiP-14Lia",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T01:01:03Z",
    "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/SiP-14Lia.tdb",
    "source_sha256": "dbac9d0fa327345990711a4b08ca6a901994e396d5354fb83a4d27e127fb2eae"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "P-SI",
  "x_element": "SI"
}