{
  "counts": {
    "above_hull": 0,
    "entries": 6,
    "intervals": 5,
    "vertices": 6
  },
  "elements": [
    "CS",
    "RB"
  ],
  "flags": [
    "has_intermediate_phases",
    "liquid_on_hull",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "CS": {
          "energy": -25411.319584815283,
          "phase": "BCC_A2"
        },
        "RB": {
          "energy": -22891.958135882098,
          "phase": "BCC_A2"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                0.0,
                -27.304054021608916,
                0.9200291647110177,
                7.17660058420222e-05
              ]
            ],
            "knots": [
              0.0,
              0.03370089412104181
            ],
            "max_abs_error": 1.027535185116335e-05
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.0,
                -0.5011867954570585,
                0.016908709104142883,
                -9.750328495594651e-06
              ]
            ],
            "knots": [
              0.0,
              0.03370089412104181
            ],
            "max_abs_error": 1.5560725780405793e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              0.0,
              122.1247890435724,
              -4.121302453732611,
              0.0029788258270713186
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.0,
            0.03370089412104181
          ],
          "max_abs_error": 0.0004742073070147512,
          "phase": "BCC_A2#1",
          "x_hi": 0.03370089412104181,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -7266.572260527354,
            "slope": 214836.6830100187
          },
          "entropy": {
            "intercept": -24.100970482333967,
            "slope": 737.1338845877518
          },
          "intercept": -80.86791121955102,
          "kind": "two_phase",
          "left": {
            "phase": "BCC_A2#1",
            "x": 0.03370089412104181
          },
          "mu_a_rel": -80.86791121955102,
          "mu_b_rel": -5020.652591037135,
          "right": {
            "phase": "LIQUID",
            "x": 0.04350172867335509
          },
          "slope": -4939.784679817583,
          "x_hi": 0.04350172867335509,
          "x_lo": 0.03370089412104181
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                2079.1948328580743,
                -281.122562813824,
                314.2771567341807,
                -2.853996761587041e-06
              ]
            ],
            "knots": [
              0.04350172867335509,
              0.8336183047592587
            ],
            "max_abs_error": 6.770596883143298e-07
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                6.4780253438174835,
                -8.154716694789785,
                7.119414511674049,
                2.2997316020401115e-05
              ]
            ],
            "knots": [
              0.04350172867335509,
              0.8336183047592587
            ],
            "max_abs_error": 3.4956956538323425e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              147.77157659890668,
              2150.2062197379432,
              -1808.3762799212755,
              -0.006859504137082695
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.04350172867335509,
            0.8336183047592587
          ],
          "max_abs_error": 0.001041934375848541,
          "phase": "LIQUID",
          "x_hi": 0.8336183047592587,
          "x_lo": 0.04350172867335509
        },
        {
          "enthalpy": {
            "intercept": 44289.027046750285,
            "slope": -50594.711490897615
          },
          "entropy": {
            "intercept": 156.6260512271188,
            "slope": -176.86865284477628
          },
          "intercept": -2409.0301266151355,
          "kind": "two_phase",
          "left": {
            "phase": "LIQUID",
            "x": 0.8336183047592587
          },
          "mu_a_rel": -2409.0301266151355,
          "mu_b_rel": -270.3527718427549,
          "right": {
            "phase": "BCC_A2#2",
            "x": 0.8770949323337615
          },
          "slope": 2138.6773547723806,
          "x_hi": 0.8770949323337615,
          "x_lo": 0.8336183047592587
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -87.33800480473732,
                75.09955225620313,
                12.238530906581417,
                -7.835804724720674e-05
              ]
            ],
            "knots": [
              0.8770949323337615,
              1.0
            ],
            "max_abs_error": 1.0755471137713357e-05
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -1.6031273525654428,
                1.3784880696430493,
                0.22464054392100108,
                -1.2609986070888368e-06
              ]
            ],
            "knots": [
              0.8770949323337615,
              1.0
            ],
            "max_abs_error": 4.61887895319979e-07
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              390.6344153626461,
              -335.89666570736466,
              -54.73804726430575,
              0.0002976090241872953
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.8770949323337615,
            1.0
          ],
          "max_abs_error": 0.0001466502245364154,
          "phase": "BCC_A2#2",
          "x_hi": 1.0,
          "x_lo": 0.8770949323337615
        }
      ],
      "phase_instances": {
        "BCC_A2#1": "BCC_A2",
        "BCC_A2#2": "BCC_A2"
      },
      "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": "BCC_A2#1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -247.3430716948278,
          "energy_per_atom": -247.3430716948278,
          "enthalpy": -26.383953090892053,
          "entries_at_x": 1,
          "entropy": 0.7411005151901122,
          "formula": "",
          "nsites": null,
          "phase": "BCC_A2#1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.03370089412104181
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -295.7570840657718,
          "energy_per_atom": -295.7570840657718,
          "enthalpy": 2079.1948328580743,
          "entries_at_x": 1,
          "entropy": 7.965627760938659,
          "formula": "",
          "nsites": null,
          "phase": "LIQUID",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.04350172867335509
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -626.1895357027679,
          "energy_per_atom": -626.1895357027679,
          "enthalpy": 2112.3494239244337,
          "entries_at_x": 1,
          "entropy": 9.185104677602553,
          "formula": "",
          "nsites": null,
          "phase": "LIQUID",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.8336183047592587
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -533.2070568473064,
          "energy_per_atom": -533.2070568473064,
          "enthalpy": -87.33800480473732,
          "entries_at_x": 1,
          "entropy": 1.4954521282661943,
          "formula": "",
          "nsites": null,
          "phase": "BCC_A2#2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.8770949323337615
        },
        {
          "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": "BCC_A2#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": "CsRb-85Pot-LB",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:30:02Z",
    "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/CsRb-85Pot-LB.tdb",
    "source_sha256": "a83fd542fa9e192f33395cc04c1a772337b22aff8261a1df086d381ceb7aa116"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "CS-RB",
  "x_element": "RB"
}