OPTIMADE provider "The Open Quantum Materials Database (OQMD)" (id: oqmd)
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General information
Short description: The OQMD is a database of DFT calculated thermodynamic and structural properties of materials
Project homepage: http://oqmd.org
Index Meta-Database URL:
http://providers.optimade.org/index-metadbs/oqmd
Number of structures: 1022603
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
-
The OQMD (
oqmd, default sub-database)The Open Quantum Materials Database endpointValidationResults of validation Passed 35 / 39
❌ http://oqmd.org/optimade/v1/structures?filter=nperiodic_dimensions%20=%203
ResponseError: Request to 'structures?filter=nperiodic_dimensions = 3' returned HTTP status code 502.
Additional details from implementation:
Could not parse response as JSON. Content type was 'text/html; charset=UTF-8'.
❌ http://oqmd.org/optimade/v1/structures?filter=nperiodic_dimensions%20=%203
ResponseError: Unable to perform mandatory query 'nperiodic_dimensions = 3', which raised the error: ResponseError: Request to 'structures?filter=nperiodic_dimensions = 3' returned HTTP status code 502.
Additional details from implementation:
Could not parse response as JSON. Content type was 'text/html; charset=UTF-8'.
❌ http://oqmd.org/optimade/v1/structures?filter=chemical_formula_descriptive%20%3C=%20%22Ne%22
ResponseError: Supposedly inclusive query 'chemical_formula_descriptive <= "Ne"' did not include original entry ID 4061202 (with field 'chemical_formula_descriptive' = Ne) potentially indicating a problem with filtering on this field.
❌ http://oqmd.org/optimade/v1/structures?filter=crazyfield%20=%202
ResponseError: Request to 'structures?filter=crazyfield = 2' returned HTTP status code 501.
Additional details from implementation: