Title: nitrilium ions
Long Title: IUPAC Gold Book - nitrilium ions
DOI: 10.1351/goldbook.N04156
Status: current

Definition
Cations derived formally by attachment of one hydron to the nitrogen atom of a nitrile and hydrocarbyl derivatives thereof. E.g.  benzonitrilium.

Related Terms
- attachment: https://goldbook.iupac.org//terms/view/A00512
- hydron: https://goldbook.iupac.org//terms/view/H02904

Source
- PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1351 (https://doi.org/10.1351/pac199567081307)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/N04156/html
- json: https://goldbook.iupac.org/terms/view/N04156/json
- xml: https://goldbook.iupac.org/terms/view/N04156/xml

Citation: Citation: 'nitrilium ions' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.N04156
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Accessed: 2026-05-06T16:56:34+00:00