Short description: The Open Materials Database (omdb) is a database of materials properties maintained by the developers of the High-Throughput Toolkit (httk). It enables easy access to useful materials data, in particular via programmatic interaction using this toolkit.

Project homepage: http://openmaterialsdb.se

Index Meta-Database URL: https://optimade-index.openmaterialsdb.se

Databases served by this provider

• Open Materials Database (omdb) production database (omdb_production)

  http://optimade.openmaterialsdb.se

  This is the main production version of the Open Materials Database
  ValidationResults of validation Passed 29 / 31
  ❌ http://optimade.openmaterialsdb.se/v1/structures?page_limit=4&response_fields=chemical_formula_reduced,chemical_formula_descriptive,cartesian_site_positions,nsites,structure_features,immutable_id,chemical_formula_hill,chemical_formula_anonymous,dimension_types,elements_ratios,last_modified,lattice_vectors,elements,species_at_sites,nelements,assemblies,nperiodic_dimensions,species
  
  

  ValidationError: 4 validation errors for ValidatorStructureResponseMany
  data -> 0 -> attributes -> chemical_formula_anonymous
  'chemical_formula_anonymous' AB2C2D5E8F17 has wrong order: elements with highest proportion should appear first: [1, 2, 2, 5, 8, 17] vs expected [17, 8, 5, 2, 2, 1] (type=value_error)
  data -> 1 -> attributes -> chemical_formula_anonymous
  'chemical_formula_anonymous' AB3C6 has wrong order: elements with highest proportion should appear first: [1, 3, 6] vs expected [6, 3, 1] (type=value_error)
  data -> 2 -> attributes -> chemical_formula_anonymous
  'chemical_formula_anonymous' ABC2D29E30 has wrong order: elements with highest proportion should appear first: [1, 1, 2, 29, 30] vs expected [30, 29, 2, 1, 1] (type=value_error)
  data -> 3 -> attributes -> chemical_formula_anonymous
  'chemical_formula_anonymous' A3B3C5D6E16 has wrong order: elements with highest proportion should appear first: [3, 3, 5, 6, 16] vs expected [16, 6, 5, 3, 3] (type=value_error)

  
  ❌ http://optimade.openmaterialsdb.se/v1/structures?filter=nsites >= 12
  
  

  ResponseError: Supposedly inclusive query 'nsites >= 12' did not include original entry ID 3094 (with field 'nsites' = 12) potentially indicating a problem with filtering on this field.