diazonium salts

https://doi.org/10.1351/goldbook.D01692
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 @C01309@ 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 [Terms] [Paper]