# atomic packing factor

> fraction of volume in a crystal structure that is occupied by the constituent particles

**Wikidata**: [Q495460](https://www.wikidata.org/wiki/Q495460)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Atomic_packing_factor)  
**Source**: https://4ort.xyz/entity/atomic-packing-factor


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)