{
  "counts": {
    "above_hull": 11,
    "entries": 26,
    "intervals": 5,
    "vertices": 6
  },
  "elements": [
    "CO",
    "ND"
  ],
  "flags": [
    "has_intermediate_compounds"
  ],
  "isotherms": [
    {
      "intervals": [
        {
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "mp-aaaaaacc",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -0.49031340999999884,
          "right": {
            "phase": "mp-aaaaaans",
            "x": 0.10526315789473684
          },
          "slope": -0.49031340999999884,
          "x_hi": 0.10526315789473684,
          "x_lo": 0.0
        },
        {
          "intercept": -0.04653446535714296,
          "kind": "two_phase",
          "left": {
            "phase": "mp-aaaaaans",
            "x": 0.10526315789473684
          },
          "mu_a_rel": -0.04653446535714296,
          "mu_b_rel": -0.0947704544642837,
          "right": {
            "phase": "mp-aaacjsuc",
            "x": 0.4
          },
          "slope": -0.048235989107140734,
          "x_hi": 0.4,
          "x_lo": 0.10526315789473684
        },
        {
          "intercept": -0.06483994454545278,
          "kind": "two_phase",
          "left": {
            "phase": "mp-aaacjsuc",
            "x": 0.4
          },
          "mu_a_rel": -0.06483994454545278,
          "mu_b_rel": -0.06731223568181896,
          "right": {
            "phase": "mp-aaackwcq",
            "x": 0.7142857142857143
          },
          "slope": -0.0024722911363661876,
          "x_hi": 0.7142857142857143,
          "x_lo": 0.4
        },
        {
          "intercept": -0.14084860250000378,
          "kind": "two_phase",
          "left": {
            "phase": "mp-aaackwcq",
            "x": 0.7142857142857143
          },
          "mu_a_rel": -0.14084860250000378,
          "mu_b_rel": -0.03690877249999856,
          "right": {
            "phase": "mp-aaackycx",
            "x": 0.75
          },
          "slope": 0.10393983000000521,
          "x_hi": 0.75,
          "x_lo": 0.7142857142857143
        },
        {
          "intercept": -0.2515749199999995,
          "kind": "two_phase",
          "left": {
            "phase": "mp-aaackycx",
            "x": 0.75
          },
          "mu_a_rel": -0.2515749199999995,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "mp-aaaaaaet",
            "x": 1.0
          },
          "slope": 0.2515749199999995,
          "x_hi": 1.0,
          "x_lo": 0.75
        }
      ],
      "temperature_K": 0.0,
      "vertices": [
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": -7.108317795,
          "entries_at_x": 8,
          "formula": "Co",
          "nsites": 2,
          "phase": "mp-aaaaaacc",
          "phase_kind": "structure",
          "spacegroup_number": 194,
          "spacegroup_symbol": "P6_3/mmc",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.05161193789473672,
          "energy_per_atom": -6.913596010526316,
          "entries_at_x": 1,
          "formula": "Nd2Co17",
          "nsites": 19,
          "phase": "mp-aaaaaans",
          "phase_kind": "structure",
          "spacegroup_number": 166,
          "spacegroup_symbol": "R-3m",
          "theoretical": false,
          "x": 0.10526315789473684
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.06582886099999925,
          "energy_per_atom": -6.238078510999999,
          "entries_at_x": 1,
          "formula": "Nd2Co3",
          "nsites": 10,
          "phase": "mp-aaacjsuc",
          "phase_kind": "structure",
          "spacegroup_number": 64,
          "spacegroup_symbol": "Cmce",
          "theoretical": false,
          "x": 0.4
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.06660586678571434,
          "energy_per_atom": -5.503373402857143,
          "entries_at_x": 1,
          "formula": "Nd5Co2",
          "nsites": 14,
          "phase": "mp-aaackwcq",
          "phase_kind": "structure",
          "spacegroup_number": 15,
          "spacegroup_symbol": "C2/c",
          "theoretical": false,
          "x": 0.7142857142857143
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.06289372999999987,
          "energy_per_atom": -5.416083753125,
          "entries_at_x": 1,
          "formula": "Nd3Co",
          "nsites": 16,
          "phase": "mp-aaackycx",
          "phase_kind": "structure",
          "spacegroup_number": 62,
          "spacegroup_symbol": "Pnma",
          "theoretical": false,
          "x": 0.75
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": -4.7681474325,
          "entries_at_x": 4,
          "formula": "Nd",
          "nsites": 4,
          "phase": "mp-aaaaaaet",
          "phase_kind": "structure",
          "spacegroup_number": 194,
          "spacegroup_symbol": "P6_3/mmc",
          "theoretical": false,
          "x": 1.0
        }
      ]
    }
  ],
  "mp_agreement": {
    "comparable": true,
    "comparable_note": "",
    "max_abs_delta_energy_above_hull": 1.033895191682177e-15,
    "only_mp_stable": [],
    "only_ours_stable": [],
    "stable_sets_match": true
  },
  "provenance": {
    "above_hull_window_eV": 0.05,
    "builder_version": 1,
    "collinear_tol": 1e-12,
    "correction_model": "MP2020 (applied upstream by the Materials Project; none added)",
    "degenerate_tol": 1e-06,
    "entry_pool": "all_nondeprecated",
    "is_stable_source": "upstream_flag",
    "observed_at": "2026-09-01T20:54:47Z",
    "snapshot_scope_elements": [],
    "snapshot_scope_kind": "full",
    "snapshot_sha256": "b6deba8ecf1b67211b3d89cd33a5f98a1939d4bcd92db561818195e55187492a",
    "source_release": "2026.04.13",
    "stability_tol": 0.0001,
    "thermo_type": "GGA_GGA+U",
    "upstream_energy_corrections": "MP2020 compatibility corrections (anion and GGA/GGA+U mixing corrections), applied by the Materials Project to its GGA_GGA+U thermo energies"
  },
  "reference": {
    "kind": "dft_elemental_ground_state_0K",
    "per": "atom",
    "temperature_K": 0.0,
    "units": "eV/atom"
  },
  "schema_version": 1,
  "system_id": "CO-ND",
  "x_element": "ND"
}