{
  "counts": {
    "above_hull": 25,
    "entries": 88,
    "intervals": 7,
    "vertices": 8
  },
  "elements": [
    "ER",
    "TE"
  ],
  "flags": [
    "has_intermediate_compounds",
    "mp_agreement_not_comparable",
    "theoretical_vertices"
  ],
  "isotherms": [
    {
      "intervals": [
        {
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-ref-Er",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -2.5164967833333307,
          "right": {
            "phase": "oqmd-1472324",
            "x": 0.1111111111111111
          },
          "slope": -2.5164967833333307,
          "x_hi": 0.1111111111111111,
          "x_lo": 0.0
        },
        {
          "intercept": -0.0010694240384618858,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-1472324",
            "x": 0.1111111111111111
          },
          "mu_a_rel": -0.0010694240384618858,
          "mu_b_rel": -2.507941391025636,
          "right": {
            "phase": "oqmd-1980645",
            "x": 0.4
          },
          "slope": -2.506871966987174,
          "x_hi": 0.4,
          "x_lo": 0.1111111111111111
        },
        {
          "intercept": -0.004241322499997979,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-1980645",
            "x": 0.4
          },
          "mu_a_rel": -0.004241322499997979,
          "mu_b_rel": -2.503183543333332,
          "right": {
            "phase": "oqmd-1880751",
            "x": 0.5
          },
          "slope": -2.498942220833334,
          "x_hi": 0.5,
          "x_lo": 0.4
        },
        {
          "intercept": -0.24743051499999624,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-1880751",
            "x": 0.5
          },
          "mu_a_rel": -0.24743051499999624,
          "mu_b_rel": -2.2599943508333338,
          "right": {
            "phase": "oqmd-1990420",
            "x": 0.5454545454545454
          },
          "slope": -2.0125638358333373,
          "x_hi": 0.5454545454545454,
          "x_lo": 0.5
        },
        {
          "intercept": -0.8937084299999829,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-1990420",
            "x": 0.5454545454545454
          },
          "mu_a_rel": -0.8937084299999829,
          "mu_b_rel": -1.7214294216666781,
          "right": {
            "phase": "oqmd-665800",
            "x": 0.6
          },
          "slope": -0.8277209916666951,
          "x_hi": 0.6,
          "x_lo": 0.5454545454545454
        },
        {
          "intercept": -3.425565575000011,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-665800",
            "x": 0.6
          },
          "mu_a_rel": -3.425565575000011,
          "mu_b_rel": -0.033524658333325075,
          "right": {
            "phase": "oqmd-665801",
            "x": 0.75
          },
          "slope": 3.392040916666686,
          "x_hi": 0.75,
          "x_lo": 0.6
        },
        {
          "intercept": -3.526139549999988,
          "kind": "two_phase",
          "left": {
            "phase": "oqmd-665801",
            "x": 0.75
          },
          "mu_a_rel": -3.526139549999988,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "oqmd-ref-Te",
            "x": 1.0
          },
          "slope": 3.526139549999988,
          "x_hi": 1.0,
          "x_lo": 0.75
        }
      ],
      "temperature_K": 0.0,
      "vertices": [
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": -4.563341,
          "entries_at_x": 19,
          "formula": "Er",
          "nsites": null,
          "phase": "oqmd-ref-Er",
          "phase_kind": "structure",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.2796107537037034,
          "energy_per_atom": -4.685007062222223,
          "entries_at_x": 1,
          "formula": "Er8 Te1",
          "nsites": 9,
          "phase": "oqmd-1472324",
          "phase_kind": "structure",
          "spacegroup_number": 189,
          "spacegroup_symbol": "P-62m",
          "theoretical": true,
          "x": 0.1111111111111111
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -1.0038182108333316,
          "energy_per_atom": -4.9985594915,
          "entries_at_x": 1,
          "formula": "Er3 Te2",
          "nsites": 20,
          "phase": "oqmd-1980645",
          "phase_kind": "structure",
          "spacegroup_number": 62,
          "spacegroup_symbol": "Pnma",
          "theoretical": true,
          "x": 0.4
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -1.253712432916665,
          "energy_per_atom": -5.10630389625,
          "entries_at_x": 8,
          "formula": "Er1 Te1",
          "nsites": 8,
          "phase": "oqmd-1880751",
          "phase_kind": "structure",
          "spacegroup_number": 194,
          "spacegroup_symbol": "P63/mmc",
          "theoretical": true,
          "x": 0.5
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -1.3451926072727256,
          "energy_per_atom": -5.1331705172727276,
          "entries_at_x": 1,
          "formula": "Er5 Te6",
          "nsites": 11,
          "phase": "oqmd-1990420",
          "phase_kind": "structure",
          "spacegroup_number": 12,
          "spacegroup_symbol": "C2/m",
          "theoretical": true,
          "x": 0.5454545454545454
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -1.390341025,
          "energy_per_atom": -5.100782671,
          "entries_at_x": 6,
          "formula": "Er2 Te3",
          "nsites": 20,
          "phase": "oqmd-665800",
          "phase_kind": "structure",
          "spacegroup_number": 70,
          "spacegroup_symbol": "Fddd",
          "theoretical": false,
          "x": 0.6
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -0.881534887499997,
          "energy_per_atom": -4.3787518075,
          "entries_at_x": 7,
          "formula": "Er1 Te3",
          "nsites": 8,
          "phase": "oqmd-665801",
          "phase_kind": "structure",
          "spacegroup_number": 63,
          "spacegroup_symbol": "Cmcm",
          "theoretical": false,
          "x": 0.75
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": -3.141842,
          "entries_at_x": 33,
          "formula": "Te",
          "nsites": null,
          "phase": "oqmd-ref-Te",
          "phase_kind": "structure",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 1.0
        }
      ]
    }
  ],
  "mp_agreement": {
    "comparable": false,
    "comparable_note": "is_stable is derived by the extraction, not an upstream flag, so comparing it against a hull recomputed from the same energies tests the derivation rather than the data",
    "max_abs_delta_energy_above_hull": 2.261360876332219e-09,
    "only_mp_stable": [
      "oqmd-51743",
      "oqmd-675559"
    ],
    "only_ours_stable": [],
    "stable_sets_match": false
  },
  "provenance": {
    "above_hull_window_eV": 0.05,
    "builder_version": 1,
    "collinear_tol": 1e-12,
    "correction_model": "OQMD fit-partial ('standard' fit, applied upstream by OQMD; none added)",
    "degenerate_tol": 1e-06,
    "entry_pool": "all_nondeprecated",
    "is_stable_source": "derived",
    "observed_at": "2026-09-05T17:02:03Z",
    "snapshot_scope_elements": [],
    "snapshot_scope_kind": "full",
    "snapshot_sha256": "2a9393262c52ec35600424236c352a4cdb3291c8b25c1c6588f5e62abe8e0d8d",
    "source_release": "qmdb_v1_8_022026",
    "stability_tol": 0.0001,
    "thermo_type": "standard",
    "upstream_energy_corrections": "OQMD 'standard' fit (fit-partial of Kirklin et al. 2015): elemental reference energies of a subset of elements fitted to experimental formation enthalpies, applied by OQMD"
  },
  "reference": {
    "kind": "dft_fitted_elemental_reference_0K",
    "per": "atom",
    "temperature_K": 0.0,
    "units": "eV/atom"
  },
  "schema_version": 1,
  "system_id": "ER-TE",
  "x_element": "TE"
}
