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HETEROCUMULENE [1 record]

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Alphabetical list of terms

Record 1 2002-01-15

English

Subject field(s)
  • Chemical Elements and Compounds
DEF

heterocumulenes: Cumulenes in which one or more carbon atoms of the cumulative bond system have been replaced by heteroatoms.

OBS

[For example:] O=C=C=C=O, but not CH2=C=O, ketene, nor O=C=O, carbon dioxide, which are heteroallenes.

OBS

heterocumulene : term often used in the plural("heterocumulenes").

Key term(s)
  • heterocumulenes

French

Domaine(s)
  • Éléments et composés chimiques
DEF

Cumulène dans lequel un (ou plusieurs) atome(s) de carbone du système de liaisons cumulées a (ont) été remplacé(s) par un (ou des) hétéroatome(s).

OBS

Par exemple : O=C=C=C=O, mais pas CH2=C=O, dioxyde de carbone, qui sont des hétéroallènes.

OBS

hétérocumulène : terme souvent utilisé au pluriel («hétérocumulènes»).

Key term(s)
  • hétérocumulènes

Spanish

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