Compounds of structure
RN2+Y−, in which R is generally but not necessarily aryl, and the cations of which are usually formulated as
RN+≡N, E.g.
PhN+≡N benzenediazonium chloride. They may also be named, from the canonical form
RN=N+, hydrocarbyldiazenylium salts.
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1332 (https://doi.org/10.1351/pac199567081307)