Property talk:P9824

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COD ID
identifier of a crystal structure in the Crystallography Open Database (COD)

Associated item	Crystallography Open Database (Q1142422)
Data type	External identifier
Allowed values	[1-9][0-9]{6}
Example	barium titanate (Q415484) → 1507756 1540757 serotonin (Q167934) → 1516168 2019147 caffeine (Q60235) → 1505182 5000108
Source	https://www.crystallography.net/cod
Formatter URL	https://www.crystallography.net/cod/$1.html
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Database reports/Constraint violations/P9824 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 10 Main statement 4 40% of uses Qualifier 6 60% of uses
Search for values

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Format “[1-9][0-9]{6}”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P9824#Format, hourly updated report, SPARQL

Multi value: this property generally contains two or more values. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P9824#Multi value, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P9824#Entity types