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Organic Chemicals > Onium Compounds

Preferred term

Onium Compounds  

Type

  • Topical Descriptor

Broader concept

Scope note

  • Ions with the suffix -onium, indicating cations with coordination number 4 of the type RxA+ which are analogous to QUATERNARY AMMONIUM COMPOUNDS (H4N+). Ions include phosphonium R4P+, oxonium R3O+, sulfonium R3S+, chloronium R2Cl+

History note

  • 68

In other languages

URI

http://www.yso.fi/onto/mesh/D009861

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