OPTIMADE provider "Open Materials Database" (id: omdb
)
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General information
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: https://openmaterialsdb.se
Index Meta-Database URL:
https://optimade-index.openmaterialsdb.se
Number of structures: 68,566
Detailed information
/info
)State of the /info
endpoint of the index meta-database
found
found
Index metaDB versionVersion of the index meta-database
v1
Index metaDB (/links
)State of the /links
endpoint of the index meta-database
found
found
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 DatabaseProperties served by this database:
By entry type (click to expand):-
structures
- The full list of standard OPTIMADE properties.
Validation
ValidationResults of validation Passed 31 / 33
❌ http://optimade.openmaterialsdb.se/v1/structures?page_limit=4&response_fields=immutable_id,chemical_formula_descriptive,structure_features,cartesian_site_positions,chemical_formula_hill,nsites,last_modified,chemical_formula_reduced,species_at_sites,chemical_formula_anonymous,species,lattice_vectors,nperiodic_dimensions,nelements,elements,dimension_types,assemblies,elements_ratios
ValidationError: 8 validation errors for ValidatorStructureResponseMany
data.0.id
Input should be a valid string [type=string_type, input_value=1, input_type=int]
For further information visit https://errors.pydantic.dev/2.11/v/string_type
data.0.attributes.chemical_formula_anonymous
Value error, '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, input_value='AB2C2D5E8F17', input_type=str]
For further information visit https://errors.pydantic.dev/2.11/v/value_error
data.1.id
Input should be a valid string [type=string_type, input_value=2, input_type=int]
For further information visit https://errors.pydantic.dev/2.11/v/string_type
data.1.attributes.chemical_formula_anonymous
Value error, '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, input_value='AB3C6', input_type=str]
For further information visit https://errors.pydantic.dev/2.11/v/value_error
data.2.id
Input should be a valid string [type=string_type, input_value=3, input_type=int]
For further information visit https://errors.pydantic.dev/2.11/v/string_type
data.2.attributes.chemical_formula_anonymous
Value error, '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, input_value='ABC2D29E30', input_type=str]
For further information visit https://errors.pydantic.dev/2.11/v/value_error
data.3.id
Input should be a valid string [type=string_type, input_value=4, input_type=int]
For further information visit https://errors.pydantic.dev/2.11/v/string_type
data.3.attributes.chemical_formula_anonymous
Value error, '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, input_value='A3B3C5D6E16', input_type=str]
For further information visit https://errors.pydantic.dev/2.11/v/value_error
❌ http://optimade.openmaterialsdb.se/v1/structures?filter=nsites%20%3E=%2058
ResponseError: Supposedly inclusive query 'nsites >= 58' did not include original entry ID 18 (with field 'nsites' = 58) potentially indicating a problem with filtering on this field.
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