{"id":23936,"library":"kim-property","title":"KIM Property","description":"kim-property is a utility module for the OpenKIM project that provides property definitions and validation tools for interatomic potential testing. Current version 2.6.14, with frequent minor releases adding new crystal and molecular property definitions. Requires Python >=3.8.","status":"active","version":"2.6.14","language":"python","source_language":"en","source_url":"https://github.com/openkim/kim-property","tags":["materials-science","interatomic-potentials","KIM","property-definitions"],"install":[{"cmd":"pip install kim-property","lang":"bash","label":"Install from PyPI"}],"dependencies":[],"imports":[{"note":"Direct import of module gives wrong symbol; must import the class explicitly.","wrong":"import kim_property","symbol":"KIMProperty","correct":"from kim_property import KIMProperty"},{"symbol":"PropertyDefinition","correct":"from kim_property import PropertyDefinition"}],"quickstart":{"code":"from kim_property import KIMProperty\n\n# Create a property instance for a known property ID\nprop = KIMProperty('cohesive-energy-cubic-crystal')\nprint(prop.get_name())\nprint(prop.get_definition())","lang":"python","description":"Basic usage: instantiate a KIMProperty object with a valid property ID from openkim.org."},"warnings":[{"fix":"Double-check property ID from the official properties list.","message":"Property IDs are case-sensitive and must exactly match the IDs on openkim.org.","severity":"gotcha","affected_versions":"all"},{"fix":"Use the latest property ID as listed in the KIM database.","message":"Some property definitions may be deprecated or superseded; check the version release notes.","severity":"deprecated","affected_versions":">=2.6"}],"env_vars":null,"last_verified":"2026-05-01T00:00:00.000Z","next_check":"2026-07-30T00:00:00.000Z","problems":[{"fix":"Install with 'pip install kim-property' and import as 'kim_property'.","cause":"Incorrect package name; PyPI name is 'kim-property' but import uses underscore.","error":"ModuleNotFoundError: No module named 'kim_property'"},{"fix":"Verify the exact property ID from https://openkim.org/properties","cause":"The property ID string does not exist in the KIM database.","error":"kim_property.KIMPropertyError: Invalid property ID"}],"ecosystem":"pypi","meta_description":null,"install_score":null,"install_tag":null,"quickstart_score":null,"quickstart_tag":null}