# Nephelauxetic effect

> Decrease in the Racah interelectronic repulsion parameter that occurs when a transition-metal free ion forms a complex with ligands

**Wikidata**: [Q908350](https://www.wikidata.org/wiki/Q908350)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Nephelauxetic_effect)  
**Source**: https://4ort.xyz/entity/nephelauxetic-effect


## References

1. Freebase Data Dumps. 2013