{
  "version": "1.0.0",
  "category_map": {
    "density": "structural",
    "lattice_parameter": "structural",
    "cell_volume": "structural",
    "melting_point": "thermal",
    "thermal_expansion": "thermal",
    "thermal_conductivity": "thermal",
    "heat_capacity": "thermal",
    "bulk_modulus": "elastic",
    "shear_modulus": "elastic",
    "youngs_modulus": "elastic",
    "poisson_ratio": "elastic",
    "electrical_conductivity": "electrical",
    "band_gap": "electrical",
    "magnetic_moment": "magnetic"
  },
  "property_taxonomy": {
    "structural": [
      "density",
      "lattice_parameter",
      "cell_volume"
    ],
    "thermal": [
      "melting_point",
      "thermal_expansion",
      "thermal_conductivity",
      "heat_capacity"
    ],
    "elastic": [
      "bulk_modulus",
      "shear_modulus",
      "youngs_modulus",
      "poisson_ratio"
    ],
    "electrical": [
      "electrical_conductivity",
      "band_gap"
    ],
    "magnetic": [
      "magnetic_moment"
    ]
  },
  "crystal_structure_types": [
    "FCC_A1",
    "BCC_A2",
    "HCP_A3",
    "DIAMOND_A4",
    "ROCKSALT_B1",
    "ZINCBLENDE_B3",
    "WURTZITE_B4",
    "Rhombohedral",
    "Graphite",
    "Tetragonal",
    "Orthorhombic",
    "Hexagonal",
    "Cubic"
  ],
  "measurement_methods": [
    "X-ray diffraction",
    "neutron diffraction",
    "ultrasonic pulse-echo",
    "heat capacity measurement",
    "electrical resistivity measurement",
    "thermal diffusivity measurement",
    "magnetometry",
    "optical spectroscopy"
  ],
  "elements_count": 63
}