arsonium compounds

https://doi.org/10.1351/goldbook.A00457
Salts (including hydroxides) [R4As]+X containing tetracoordinate arsonium ion and the associated anion.
See also: onium compounds
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1320 (https://doi.org/10.1351/pac199567081307)