{
  "counts": {
    "above_hull": 3,
    "entries": 14,
    "intervals": 4,
    "vertices": 5
  },
  "elements": [
    "BE",
    "ZR"
  ],
  "flags": [
    "has_intermediate_compounds"
  ],
  "isotherms": [
    {
      "intervals": [
        {
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "mp-aaaaaadj",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -2.772951285000005,
          "right": {
            "phase": "mp-aaaabtaz",
            "x": 0.07142857142857142
          },
          "slope": -2.772951285000005,
          "x_hi": 0.07142857142857142,
          "x_lo": 0.0
        },
        {
          "intercept": -0.11534837944444594,
          "kind": "two_phase",
          "left": {
            "phase": "mp-aaaabtaz",
            "x": 0.07142857142857142
          },
          "mu_a_rel": -0.11534837944444594,
          "mu_b_rel": -1.2734223522222075,
          "right": {
            "phase": "mp-aaaaadtw",
            "x": 0.10526315789473684
          },
          "slope": -1.1580739727777616,
          "x_hi": 0.10526315789473684,
          "x_lo": 0.07142857142857142
        },
        {
          "intercept": -0.2306642578571427,
          "kind": "two_phase",
          "left": {
            "phase": "mp-aaaaadtw",
            "x": 0.10526315789473684
          },
          "mu_a_rel": -0.2306642578571427,
          "mu_b_rel": -0.29323738571428515,
          "right": {
            "phase": "mp-aaaaaqrz",
            "x": 0.16666666666666666
          },
          "slope": -0.06257312785714242,
          "x_hi": 0.16666666666666666,
          "x_lo": 0.10526315789473684
        },
        {
          "intercept": -0.28931173499999974,
          "kind": "two_phase",
          "left": {
            "phase": "mp-aaaaaqrz",
            "x": 0.16666666666666666
          },
          "mu_a_rel": -0.28931173499999974,
          "mu_b_rel": -5.551115123125783e-17,
          "right": {
            "phase": "mp-aaaaaafb",
            "x": 1.0
          },
          "slope": 0.2893117349999997,
          "x_hi": 1.0,
          "x_lo": 0.16666666666666666
        }
      ],
      "temperature_K": 0.0,
      "vertices": [
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": -3.739412865,
          "entries_at_x": 3,
          "formula": "Be",
          "nsites": 4,
          "phase": "mp-aaaaaadj",
          "phase_kind": "structure",
          "spacegroup_number": 194,
          "spacegroup_symbol": "P6_3/mmc",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.19806794892857177,
          "energy_per_atom": -4.28092994,
          "entries_at_x": 1,
          "formula": "ZrBe13",
          "nsites": 28,
          "phase": "mp-aaaabtaz",
          "phase_kind": "structure",
          "spacegroup_number": 226,
          "spacegroup_symbol": "Fm-3c",
          "theoretical": false,
          "x": 0.07142857142857142
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.23725090289473663,
          "energy_per_atom": -4.482799322105262,
          "entries_at_x": 1,
          "formula": "Zr2Be17",
          "nsites": 19,
          "phase": "mp-aaaaadtw",
          "phase_kind": "structure",
          "spacegroup_number": 166,
          "spacegroup_symbol": "R-3m",
          "theoretical": false,
          "x": 0.10526315789473684
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.24109311249999976,
          "energy_per_atom": -4.781887271666666,
          "entries_at_x": 1,
          "formula": "ZrBe5",
          "nsites": 6,
          "phase": "mp-aaaaaqrz",
          "phase_kind": "structure",
          "spacegroup_number": 191,
          "spacegroup_symbol": "P6/mmm",
          "theoretical": false,
          "x": 0.16666666666666666
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": -8.54770063,
          "entries_at_x": 6,
          "formula": "Zr",
          "nsites": 2,
          "phase": "mp-aaaaaafb",
          "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": 1.1275702593849246e-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": "BE-ZR",
  "x_element": "ZR"
}