anation

https://doi.org/10.1351/goldbook.AT06766
Replacement of the ligand water by an anion in a coordination entity.
Source:
PAC, 1997, 69, 1251. 'Glossary of terms used in bioinorganic chemistry (IUPAC Recommendations 1997)' on page 1257 (https://doi.org/10.1351/pac199769061251)