Short description: Open-access collection of crystal structures of organic, inorganic, metal-organics compounds and minerals, excluding biopolymers

Project homepage: https://www.crystallography.net/cod

Index Meta-Database URL: http://providers.optimade.org/index-metadbs/cod

Databases served by this provider

• Crystallography Open Database (cod, default sub-database)

  Open-access collection of crystal structures of organic, inorganic, metal-organics compounds and minerals, excluding biopolymers
  ValidationResults of validation Passed 39 / 41
  ❌ https://www.crystallography.net/cod/optimade/v1/structures?page_limit=5&response_fields=chemical_formula_hill,chemical_formula_descriptive,nelements,structure_features,nsites,nperiodic_dimensions,immutable_id,chemical_formula_reduced,chemical_formula_anonymous,lattice_vectors,cartesian_site_positions,assemblies,elements,dimension_types,last_modified,species,species_at_sites,elements_ratios
  
  

  ValidationError: 27 validation errors for ValidatorStructureResponseMany
  data -> 2 -> attributes -> elements -> 1
  Only chemical symbols are allowed, you passed: D (type=value_error)
  data -> 2 -> attributes -> chemical_formula_reduced
  Cannot use unknown chemical symbols ['D'] in 'chemical_formula_reduced' (type=value_error)
  data -> 2 -> attributes -> chemical_formula_hill
  Cannot use unknown chemical symbols ['D'] in 'chemical_formula_hill' (type=value_error)
  data -> 2 -> attributes -> species -> 44 -> chemical_symbols -> 0
  'D' MUST be an element symbol, e.g., "C", "He", or a special symbol from ['X', 'vacancy']. (type=value_error)
  data -> 2 -> attributes -> species -> 44 -> concentration
  Could not validate 'concentration' as 'chemical_symbols' is missing/invalid. (type=value_error)
  data -> 2 -> attributes -> species -> 45 -> chemical_symbols -> 0
  'D' MUST be an element symbol, e.g., "C", "He", or a special symbol from ['X', 'vacancy']. (type=value_error)
  data -> 2 -> attributes -> species -> 45 -> concentration
  Could not validate 'concentration' as 'chemical_symbols' is missing/invalid. (type=value_error)
  data -> 2 -> attributes -> species -> 46 -> chemical_symbols -> 0
  'D' MUST be an element symbol, e.g., "C", "He", or a special symbol from ['X', 'vacancy']. (type=value_error)
  data -> 2 -> attributes -> species -> 46 -> concentration
  Could not validate 'concentration' as 'chemical_symbols' is missing/invalid. (type=value_error)
  data -> 2 -> attributes -> species -> 47 -> chemical_symbols -> 0
  'D' MUST be an element symbol, e.g., "C", "He", or a special symbol from ['X', 'vacancy']. (type=value_error)
  data -> 2 -> attributes -> species -> 47 -> concentration
  Could not validate 'concentration' as 'chemical_symbols' is missing/invalid. (type=value_error)
  data -> 2 -> attributes -> species -> 48 -> chemical_symbols -> 0
  'D' MUST be an element symbol, e.g., "C", "He", or a special symbol from ['X', 'vacancy']. (type=value_error)
  data -> 2 -> attributes -> species -> 48 -> concentration
  Could not validate 'concentration' as 'chemical_symbols' is missing/invalid. (type=value_error)
  data -> 2 -> attributes -> species -> 49 -> chemical_symbols -> 0
  'D' MUST be an element symbol, e.g., "C", "He", or a special symbol from ['X', 'vacancy']. (type=value_error)
  data -> 2 -> attributes -> species -> 49 -> concentration
  Could not validate 'concentration' as 'chemical_symbols' is missing/invalid. (type=value_error)
  data -> 2 -> attributes -> species -> 50 -> chemical_symbols -> 0
  'D' MUST be an element symbol, e.g., "C", "He", or a special symbol from ['X', 'vacancy']. (type=value_error)
  data -> 2 -> attributes -> species -> 50 -> concentration
  Could not validate 'concentration' as 'chemical_symbols' is missing/invalid. (type=value_error)
  data -> 2 -> attributes -> species -> 51 -> chemical_symbols -> 0
  'D' MUST be an element symbol, e.g., "C", "He", or a special symbol from ['X', 'vacancy']. (type=value_error)
  data -> 2 -> attributes -> species -> 51 -> concentration
  Could not validate 'concentration' as 'chemical_symbols' is missing/invalid. (type=value_error)
  data -> 2 -> attributes -> species -> 52 -> chemical_symbols -> 0
  'D' MUST be an element symbol, e.g., "C", "He", or a special symbol from ['X', 'vacancy']. (type=value_error)
  data -> 2 -> attributes -> species -> 52 -> concentration
  Could not validate 'concentration' as 'chemical_symbols' is missing/invalid. (type=value_error)
  data -> 2 -> attributes -> species -> 53 -> chemical_symbols -> 0
  'D' MUST be an element symbol, e.g., "C", "He", or a special symbol from ['X', 'vacancy']. (type=value_error)
  data -> 2 -> attributes -> species -> 53 -> concentration
  Could not validate 'concentration' as 'chemical_symbols' is missing/invalid. (type=value_error)
  data -> 2 -> attributes -> species -> 54 -> chemical_symbols -> 0
  'D' MUST be an element symbol, e.g., "C", "He", or a special symbol from ['X', 'vacancy']. (type=value_error)
  data -> 2 -> attributes -> species -> 54 -> concentration
  Could not validate 'concentration' as 'chemical_symbols' is missing/invalid. (type=value_error)
  data -> 2 -> attributes -> species -> 55 -> chemical_symbols -> 0
  'D' MUST be an element symbol, e.g., "C", "He", or a special symbol from ['X', 'vacancy']. (type=value_error)
  data -> 2 -> attributes -> species -> 55 -> concentration
  Could not validate 'concentration' as 'chemical_symbols' is missing/invalid. (type=value_error)

  
  ❌ https://www.crystallography.net/cod/optimade/v1/structures?page_offset=97&response_fields=_cod_RFsqd,_cod_RI,_cod_Rall,_cod_Robs,_cod_Rref,_cod_Z,_cod_Zprime,_cod_a,_cod_acce_code,_cod_alpha,_cod_authors,_cod_b,_cod_beta,_cod_c,_cod_calcformula,_cod_cellformula,_cod_cellpressure,_cod_celltemp,_cod_chemname,_cod_commonname,_cod_compoundsource,_cod_date,_cod_diffrpressure,_cod_diffrtemp,_cod_doi,_cod_duplicateof,_cod_firstpage,_cod_flags,_cod_gamma,_cod_gofall,_cod_gofgt,_cod_gofobs,_cod_gofref,_cod_issue,_cod_journal,_cod_lastpage,_cod_method,_cod_mineral,_cod_onhold,_cod_optimal,_cod_pressurehist,_cod_radSymbol,_cod_radType,_cod_radiation,_cod_sg,_cod_sgHall,_cod_siga,_cod_sigalpha,_cod_sigb,_cod_sigbeta,_cod_sigc,_cod_sigcellpressure,_cod_sigcelltemp,_cod_sigdiffrpressure,_cod_sigdiffrtemp,_cod_siggamma,_cod_sigvol,_cod_status,_cod_svnrevision,_cod_text,_cod_thermalhist,_cod_time,_cod_title,_cod_vol,_cod_volume,_cod_wRall,_cod_wRobs,_cod_wRref,_cod_wavelength,_cod_year,assemblies,cartesian_site_positions,chemical_formula_anonymous,chemical_formula_descriptive,chemical_formula_hill,chemical_formula_reduced,dimension_types,elements,elements_ratios,id,immutable_id,last_modified,lattice_vectors,nelements,nperiodic_dimensions,nsites,species,species_at_sites,structure_features,type
  
  

  ResponseError: Failed to get archetypal entry. Details: ReadTimeout: HTTPSConnectionPool(host='www.crystallography.net', port=443): Read timed out. (read timeout=300)