carbonium
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carbonium — [kär bō′nē əm] n. 〚 CARB(O) + (AMM)ONIUM〛 a transient, positively charged organic ion, as H3C+, R3+, that has one less electron than the corresponding free radical * * * car·bo·ni·um (kär bōʹnē əm) n. An organic cation, such as H3C, having one… … Universalium
carbonium — ● carbonium nom masculin Un des types de carbocations … Encyclopédie Universelle
carbonium — [kär bō′nē əm] n. [ CARB(O) + (AMM)ONIUM] a transient, positively charged organic ion, as H3C+, R3+, that has one less electron than the corresponding free radical … English World dictionary
Carbonium — Carbocation Un carbocation, parfois appelé ion carbonium, est un ion dérivé d un composé organique, qui possède une charge électrique positive sur un ou plusieurs atomes de carbone. Les carbocations sont des intermédiaires de réaction. Sommaire 1 … Wikipédia en Français
carbonium — karbonis statusas T sritis chemija apibrėžtis Katijonas. formulė R₅C⁺ atitikmenys: angl. carbonium rus. карбоний … Chemijos terminų aiškinamasis žodynas
carbonium — kärˈbōnēəm noun ( s) Etymology: carb + onium : an organic ion (as triphenylmethyl carbonium) carrying a positive charge at a carbon location owing to an electron deficiency compare carbanion … Useful english dictionary
carbonium ion — /kahr boh nee euhm/ an organic ion containing a positively charged carbon atom (opposed to carbanion). [CARBON + IUM] * * * ▪ chemical ion Introduction any member of a class of organic molecules with positive charges localized at a carbon… … Universalium
Carbonium ion — CH5 redirects here. For the postal district, see CH postcode area. A carbonium ion is a carbocation of the penta or tetracoordinated nonclassical type such as an ion of the type R5C+.[1] Methanium CH5+ … Wikipedia
Carbonium (ion) — Un ion carbonium est un carbocation dont l atome de carbone portant la charge électrique est tétra ou pentacoordonné, de type R5C+[1]. De tels cations organiques se forment par exemple sous l action de superacides tels que l acide… … Wikipédia en Français
Carbonium-Ion — Car|bo|ni|um Ion [↑ Carbon u. ↑ ium (2)]: von der IUPAC nicht empfohlene, aber dennoch viel benutzte Bez. für die ↑ Carbokationen mit fünfbindigem C Atom, z. B. CH+5 (Methanium Ion, allg.: Alkanium Ion), H7C+6 (Benzenium Ion) oder das Norbornyl… … Universal-Lexikon
carbonium — noun Etymology: carb + onium Date: 1942 an organic ion carrying a positive charge on a carbon atom compare carbanion … New Collegiate Dictionary
