carbanion

carbanion
CARBANIÓN s. m. ion care conţine o pereche de electroni (cu sarcină negativă) neparticipanţi la un atom de carbon, având trei covalenţe. (< fr. carbanion)
Trimis de raduborza, 15.09.2007. Sursa: MDN

Dicționar Român. 2013.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Carbanión — Saltar a navegación, búsqueda Un carbanión es un anión de un compuesto orgánico donde la carga negativa recae sobre un átomo de carbono. RnC H + B → RnC– + H B+ n=1,2,3 Donde B es una base. Contenido 1 Estabilidad 2 Propiedades …   Wikipedia Español

  • Carbanion — Carbani …   Wikipédia en Français

  • Carbanion — sind pyramidal aufgebaut, wenn die Reste R1−R3 für Wasserstoffatome oder Alkylgruppen stehen. Dies läßt sich durch s Anteile in dem die negative Ladung tragenden Orbital erklären.[1] Solche Carbanionen invertieren äußerst rasch, das Umklappen… …   Deutsch Wikipedia

  • carbanion — ● carbanion nom masculin Anion dont la charge négative est portée par un atome de carbone …   Encyclopédie Universelle

  • carbânion — s. m. [Física, Química] Ânion orgânico em que a carga negativa está num átomo de carbono. • [Brasil] Plural: carbaníones e carbânions.   ‣ Etimologia: carbo + ânion   ♦ Grafia em Portugal: carbanião …   Dicionário da Língua Portuguesa

  • carbanion — [kär ban′ī än΄, kär ban′ī΄ən] n. [ CARB + ANION] a transient, negatively charged organic ion, as H3C , R3C , that has one more electron than the corresponding free radical …   English World dictionary

  • carbanion — /kahr ban uy euhn, on/, n. an organic ion containing a negatively charged carbon atom (opposed to carbonium ion). [1933; CARB + ANION] * * * ▪ chemistry Introduction       any member of a class of organic compounds in which a negative electrical… …   Universalium

  • Carbanion — A carbanion is an anion in which carbon has an unshared pair of electrons and bears a negative charge usually with three substituents for a total of eight valence electrons [Organic Chemistry Robert Thornton Morrison, Robert Neilson Boyd] . The… …   Wikipedia

  • carbanion — kärˈbaˌnīən also īˌän noun ( s) Etymology: carb + anion : an organic ion carrying a negative charge at a carbon location (as methyl carbanion or butenyl carbanion) compare carbonium …   Useful english dictionary

  • carbanion — karb(o)anijonas statusas T sritis chemija apibrėžtis Anijonas, kuriame neigiamąjį krūvį turi C atomas. atitikmenys: angl. carbanion rus. карбанион …   Chemijos terminų aiškinamasis žodynas

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”