Short description: A highly curated Pauling File dataset based on ~0.5M publications and backing up Springer Materials, ICDD PDF, ASM APD, MedeA, Pearson Crystal Data, AtomWork Advanced, etc.

Project homepage: https://mpds.io

Index Meta-Database URL: https://providers.optimade.org/index-metadbs/mpds

Number of structures: 507178

Databases served by this provider

• Materials Platform for Data Science (mpds, default sub-database)

  https://api.mpds.io

  A highly curated Pauling File dataset based on ~0.5M publications and backing up Springer Materials, ICDD PDF, ASM APD, MedeA, Pearson Crystal Data, AtomWork Advanced, etc.
  ValidationResults of validation Passed 9 / 14

  ❌ https://api.mpds.io/v1/info/structures
  
  

  ValidationError: 4 validation errors for EntryInfoResponse
  data -> formats
  field required (type=value_error.missing)
  data -> description
  field required (type=value_error.missing)
  data -> properties
  field required (type=value_error.missing)
  data -> output_fields_by_format
  field required (type=value_error.missing)

  
  ❌ https://api.mpds.io/v1/structures?page_limit=4&response_fields=immutable_id,elements,dimension_types,nelements,elements_ratios,chemical_formula_reduced,nsites,chemical_formula_descriptive,chemical_formula_hill,lattice_vectors,cartesian_site_positions,species,last_modified,assemblies,species_at_sites,nperiodic_dimensions,structure_features,chemical_formula_anonymous
  
  

  ResponseError: Request to 'structures?page_limit=4&response_fields=immutable_id,elements,dimension_types,nelements,elements_ratios,chemical_formula_reduced,nsites,chemical_formula_descriptive,chemical_formula_hill,lattice_vectors,cartesian_site_positions,species,last_modified,assemblies,species_at_sites,nperiodic_dimensions,structure_features,chemical_formula_anonymous' returned HTTP status code 400.
  Additional details from implementation:
  Optimade API Response: Page_limit must be either 1, 5, 10, 50, 100, or 750. (N/A)

  
  ❌ https://api.mpds.io/v1
  
  

  ResponseError: Unable to test endpoint `page_limit` parameter.

  
  ❌ https://api.mpds.io/v1/structures?page_limit=4&response_fields=immutable_id,elements,dimension_types,nelements,elements_ratios,chemical_formula_reduced,nsites,chemical_formula_descriptive,chemical_formula_hill,lattice_vectors,cartesian_site_positions,species,last_modified,assemblies,species_at_sites,nperiodic_dimensions,structure_features,chemical_formula_anonymous
  
  

  ResponseError: Request failed

  
  ❌ https://api.mpds.io/v1
  
  

  ResponseError: Unable to generate filters for endpoint structures: 'info/structures' response was malformed.