arsanylium ions
The arsanyl cation, H2As+, and derivatives by substitution. The name arsinylium (systematically derived from arsine) is not applied as it already designates H2As(=O)+, the acylium ion derived from arsinic acid.
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1319 (