Halirenium ions

{
  "id": "MLC-T-CHM-005078",
  "term": "Halirenium ions",
  "field": "Chemistry",
  "definition": "Cyclic, three-membered cationic intermediates formed during the electrophilic addition of a halogen to an alkene. These ions feature a halogen atom bonded to two carbon atoms of the original double bond, forming a strained ring structure. The positive charge is formally localized on the halogen atom, which is typically bromine or chlorine.",
  "subject": "Organic and Biomolecular Chemistry",
  "references": [
    "PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1338 (https://doi.org/10.1351/pac199567081307)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/halirenium-ions/"
}