{
  "counts": {
    "above_hull": 0,
    "entries": 6,
    "intervals": 5,
    "vertices": 6
  },
  "elements": [
    "MN",
    "N"
  ],
  "flags": [
    "gas_on_hull",
    "has_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "MN": {
          "energy": -9606.56569962077,
          "phase": "CBCC_A12"
        },
        "N": {
          "energy": -28531.823915569355,
          "phase": "N2GAS"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                0.0,
                -0.8127064794108068,
                -0.16972813982136137,
                0.08439369824684506
              ]
            ],
            "knots": [
              0.0,
              9.502501436830832e-06
            ],
            "max_abs_error": 0.012086317057446505
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.0,
                -0.000950990383869577,
                0.00024781313805679966,
                -0.0001232164837855457
              ]
            ],
            "knots": [
              0.0,
              9.502501436830832e-06
            ],
            "max_abs_error": 1.7646307434688127e-05
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              0.0,
              -0.529168696412895,
              -0.24361362703156875,
              0.12113069294065615
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.0,
            9.502501436830832e-06
          ],
          "max_abs_error": 0.01734756362683368,
          "phase": "CBCC_A12",
          "x_hi": 9.502501436830832e-06,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": 0.2031449721175982,
            "slope": -115883.79127571873
          },
          "entropy": {
            "intercept": 0.0007558247032449901,
            "slope": -62.04296759826139
          },
          "intercept": -0.022204163153119127,
          "kind": "two_phase",
          "left": {
            "phase": "CBCC_A12",
            "x": 9.502501436830832e-06
          },
          "mu_a_rel": -0.022204163153119127,
          "mu_b_rel": -97385.70269046031,
          "right": {
            "phase": "FE4N_L1",
            "x": 0.19999983404923571
          },
          "slope": -97385.68048629716,
          "x_hi": 0.19999983404923571,
          "x_lo": 9.502501436830832e-06
        },
        {
          "enthalpy": {
            "intercept": -7974.827376219368,
            "slope": -76008.6055831736
          },
          "entropy": {
            "intercept": 6.136630386413646,
            "slope": -92.72236586316134
          },
          "intercept": -9804.463725928608,
          "kind": "two_phase",
          "left": {
            "phase": "FE4N_L1",
            "x": 0.19999983404923571
          },
          "mu_a_rel": -9804.463725928608,
          "mu_b_rel": -58167.89592700063,
          "right": {
            "phase": "MN3N2",
            "x": 0.4
          },
          "slope": -48363.43220107202,
          "x_hi": 0.4,
          "x_lo": 0.19999983404923571
        },
        {
          "enthalpy": {
            "intercept": -16029.23249518218,
            "slope": -55872.59278576657
          },
          "entropy": {
            "intercept": 5.9301996048289105,
            "slope": -92.2062889091995
          },
          "intercept": -17797.321507361885,
          "kind": "two_phase",
          "left": {
            "phase": "MN3N2",
            "x": 0.4
          },
          "mu_a_rel": -17797.321507361885,
          "mu_b_rel": -46178.609254850715,
          "right": {
            "phase": "MN6N5",
            "x": 0.4545454545454546
          },
          "slope": -28381.287747488826,
          "x_hi": 0.4545454545454546,
          "x_lo": 0.4
        },
        {
          "enthalpy": {
            "intercept": -75947.42022930615,
            "slope": 75947.42022930615
          },
          "entropy": {
            "intercept": -65.9665414821466,
            "slope": 65.9665414821466
          },
          "intercept": -56279.495886404155,
          "kind": "two_phase",
          "left": {
            "phase": "MN6N5",
            "x": 0.4545454545454546
          },
          "mu_a_rel": -56279.495886404155,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "N2GAS",
            "x": 1.0
          },
          "slope": 56279.495886404155,
          "x_hi": 1.0,
          "x_lo": 0.4545454545454546
        }
      ],
      "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": "CBCC_A12",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.9476117319009063,
          "energy_per_atom": -0.9476117319009063,
          "enthalpy": -0.8980409209853233,
          "entries_at_x": 1,
          "entropy": 0.00016626131449726245,
          "formula": "",
          "nsites": null,
          "phase": "CBCC_A12",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 9.502501436830832e-06
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -19477.142140194475,
          "energy_per_atom": -19477.142140194475,
          "enthalpy": -23176.5358791679,
          "entries_at_x": 1,
          "entropy": -12.407827398871142,
          "formula": "",
          "nsites": null,
          "phase": "FE4N_L1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.19999983404923571
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -29149.836606357418,
          "energy_per_atom": -29149.836606357418,
          "enthalpy": -38378.26960948881,
          "entries_at_x": 1,
          "entropy": -30.952315958850892,
          "formula": "",
          "nsites": null,
          "phase": "MN3N2",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.4
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -30697.906847129536,
          "energy_per_atom": -30697.906847129536,
          "enthalpy": -41425.86557962153,
          "entries_at_x": 1,
          "entropy": -35.981749899352685,
          "formula": "",
          "nsites": null,
          "phase": "MN6N5",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.4545454545454546
        },
        {
          "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": "N2GAS",
          "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": "MnN-93Qiu-mod",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:48:27Z",
    "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/MnN-93Qiu-mod.tdb",
    "source_sha256": "49cec951bb033560a64bf7e5eef3147634c5883a4e18852117921a0658afd956"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "MN-N",
  "x_element": "N"
}