Short description: Open-access collection of theoretically calculated or refined crystal structures of organic, inorganic, metal-organic compounds and minerals, excluding biopolymers

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

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

Databases served by this provider

• Theoretical Crystallography Open Database (tcod, default sub-database)

  Open-access collection of theoretically calculated or refined crystal structures of organic, inorganic, metal-organic compounds and minerals, excluding biopolymers
  ValidationResults of validation Passed 34 / 106
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_RFsqd
  
  

  ResponseError: Found unknown field '_cod_RFsqd' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_RI
  
  

  ResponseError: Found unknown field '_cod_RI' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_Rall
  
  

  ResponseError: Found unknown field '_cod_Rall' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_Robs
  
  

  ResponseError: Found unknown field '_cod_Robs' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_Rref
  
  

  ResponseError: Found unknown field '_cod_Rref' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_Z
  
  

  ResponseError: Found unknown field '_cod_Z' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_Zprime
  
  

  ResponseError: Found unknown field '_cod_Zprime' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_a
  
  

  ResponseError: Found unknown field '_cod_a' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_acce_code
  
  

  ResponseError: Found unknown field '_cod_acce_code' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_alpha
  
  

  ResponseError: Found unknown field '_cod_alpha' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_authors
  
  

  ResponseError: Found unknown field '_cod_authors' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_b
  
  

  ResponseError: Found unknown field '_cod_b' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_beta
  
  

  ResponseError: Found unknown field '_cod_beta' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_c
  
  

  ResponseError: Found unknown field '_cod_c' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_calcformula
  
  

  ResponseError: Found unknown field '_cod_calcformula' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_cellformula
  
  

  ResponseError: Found unknown field '_cod_cellformula' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_cellpressure
  
  

  ResponseError: Found unknown field '_cod_cellpressure' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_celltemp
  
  

  ResponseError: Found unknown field '_cod_celltemp' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_chemname
  
  

  ResponseError: Found unknown field '_cod_chemname' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_commonname
  
  

  ResponseError: Found unknown field '_cod_commonname' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_compoundsource
  
  

  ResponseError: Found unknown field '_cod_compoundsource' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_date
  
  

  ResponseError: Found unknown field '_cod_date' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_diffrpressure
  
  

  ResponseError: Found unknown field '_cod_diffrpressure' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_diffrtemp
  
  

  ResponseError: Found unknown field '_cod_diffrtemp' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_doi
  
  

  ResponseError: Found unknown field '_cod_doi' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_duplicateof
  
  

  ResponseError: Found unknown field '_cod_duplicateof' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_firstpage
  
  

  ResponseError: Found unknown field '_cod_firstpage' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_flags
  
  

  ResponseError: Found unknown field '_cod_flags' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_gamma
  
  

  ResponseError: Found unknown field '_cod_gamma' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_gofall
  
  

  ResponseError: Found unknown field '_cod_gofall' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_gofgt
  
  

  ResponseError: Found unknown field '_cod_gofgt' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_gofobs
  
  

  ResponseError: Found unknown field '_cod_gofobs' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_gofref
  
  

  ResponseError: Found unknown field '_cod_gofref' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_issue
  
  

  ResponseError: Found unknown field '_cod_issue' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_journal
  
  

  ResponseError: Found unknown field '_cod_journal' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_lastpage
  
  

  ResponseError: Found unknown field '_cod_lastpage' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_method
  
  

  ResponseError: Found unknown field '_cod_method' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_mineral
  
  

  ResponseError: Found unknown field '_cod_mineral' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_onhold
  
  

  ResponseError: Found unknown field '_cod_onhold' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_optimal
  
  

  ResponseError: Found unknown field '_cod_optimal' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_pressurehist
  
  

  ResponseError: Found unknown field '_cod_pressurehist' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_radSymbol
  
  

  ResponseError: Found unknown field '_cod_radSymbol' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_radType
  
  

  ResponseError: Found unknown field '_cod_radType' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_radiation
  
  

  ResponseError: Found unknown field '_cod_radiation' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_sg
  
  

  ResponseError: Found unknown field '_cod_sg' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_sgHall
  
  

  ResponseError: Found unknown field '_cod_sgHall' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_siga
  
  

  ResponseError: Found unknown field '_cod_siga' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_sigalpha
  
  

  ResponseError: Found unknown field '_cod_sigalpha' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_sigb
  
  

  ResponseError: Found unknown field '_cod_sigb' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_sigbeta
  
  

  ResponseError: Found unknown field '_cod_sigbeta' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_sigc
  
  

  ResponseError: Found unknown field '_cod_sigc' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_sigcellpressure
  
  

  ResponseError: Found unknown field '_cod_sigcellpressure' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_sigcelltemp
  
  

  ResponseError: Found unknown field '_cod_sigcelltemp' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_sigdiffrpressure
  
  

  ResponseError: Found unknown field '_cod_sigdiffrpressure' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_sigdiffrtemp
  
  

  ResponseError: Found unknown field '_cod_sigdiffrtemp' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_siggamma
  
  

  ResponseError: Found unknown field '_cod_siggamma' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_sigvol
  
  

  ResponseError: Found unknown field '_cod_sigvol' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_status
  
  

  ResponseError: Found unknown field '_cod_status' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_svnrevision
  
  

  ResponseError: Found unknown field '_cod_svnrevision' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_text
  
  

  ResponseError: Found unknown field '_cod_text' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_thermalhist
  
  

  ResponseError: Found unknown field '_cod_thermalhist' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_time
  
  

  ResponseError: Found unknown field '_cod_time' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_title
  
  

  ResponseError: Found unknown field '_cod_title' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_vol
  
  

  ResponseError: Found unknown field '_cod_vol' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_volume
  
  

  ResponseError: Found unknown field '_cod_volume' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_wRall
  
  

  ResponseError: Found unknown field '_cod_wRall' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_wRobs
  
  

  ResponseError: Found unknown field '_cod_wRobs' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_wRref
  
  

  ResponseError: Found unknown field '_cod_wRref' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_wavelength
  
  

  ResponseError: Found unknown field '_cod_wavelength' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/; testing queries for structures->_cod_year
  
  

  ResponseError: Found unknown field '_cod_year' that did not start with provider prefix '_tcod_'

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/structures?filter=nsites > 144
  
  

  ResponseError: Unable to perform mandatory query 'nsites > 144', which raised the error: Request to 'structures?filter=nsites > 144' returned HTTP status code 501.
  Additional details from implementation:
  501 Not Implemented: queries are not supported for 'nsites' (N/A)

  
  ❌ https://www.crystallography.net/tcod/optimade/v1/structures?filter=structure_features HAS ANY "assemblies","disorder","implicit_atoms","site_attachments"
  
  

  ResponseError: Unable to perform mandatory query 'structure_features HAS ANY "assemblies","disorder","implicit_atoms","site_attachments"', which raised the error: Request to 'structures?filter=structure_features HAS ANY "assemblies","disorder","implicit_atoms","site_attachments"' returned HTTP status code 501.
  Additional details from implementation:
  501 Not Implemented: queries are not supported for 'structure_features' (N/A)