carbanion

https://doi.org/10.1351/goldbook.C00804
Generic name for anions containing an even number of electrons and having an unshared pair of electrons on a tervalent carbon atom (e.g. Cl3C or HC≡C) or — if the ion is mesomeric (see @M03845@) — having at least one significant @C01309@ with an unshared pair of electrons on a tervalent carbon atom, for example:
C00804-1.png
See also:
radical ion
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1092 [Terms] [Paper]