carbenium ion

carbenium ion
A general term describing positively charged carbon-containing compounds. Generally, carbenium ions are unstable reaction intermediates. Many acid catalyzed reactions of petroleum involve carbenium ion intermediates. These are sometimes called carbocations and, in the past, were known as carbonium ions.

Petroleum refining glossary. 2013.

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  • Carbénium (ion) — Configuration d un ion carbénium tertiaire Trois orbitales sp2 …   Wikipédia en Français

  • Carbenium ion — A carbenium ion is a carbocation of the trivalent and classical type R3C+. A carbonium ion is a carbocation of the penta or tetracoordinated nonclassical type such as an ion of the type R5C+. Carbonium ions appear as nonclassical carbocations… …   Wikipedia

  • Carbenium-Ion — Car|be|ni|um Ion [↑ Carben u. ↑ ium (2)]: von IUPAC zugelassene Sammelbez. für Carbokationen mit einem dreibindigen C Atom (Elektronensextett), z. B. (H3C)3C+ (tert Butylium, tert Butyl Kation), H5C+6 (Phenylium, Phenyl Kation). Erlaubt ist der… …   Universal-Lexikon

  • Carbenium-Ion — Als Carbeniumion bezeichnet man in der Organischen Chemie ein positiv geladenes Kohlenstoffatom, das Bestandteil eines Kohlenwasserstoff Moleküls ist. Der Begriff Carbeniumion ist ein Unterbegriff des Carbokations. Ein Carbeniumion ist ein… …   Deutsch Wikipedia

  • carbenium ion — noun any carbocation containing a tervalent carbon atom …   Wiktionary

  • 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

  • hydride ion abstraction — Reaction of strong acid with C H bond, where hydrogen is removed as a negative ion, hydride, yielding a carbenium ion …   Petroleum refining glossary

  • carbonium ion — noun a carbenium ion or any carbocation …   Wiktionary

  • Arenium ion — An arenium ion in organic chemistry is the cyclohexadienyl cation that appears as a reactive intermediate in electrophilic aromatic substitution. [ Stable carbocations. CXVIII. General concept and structure of carbocations based on… …   Wikipedia

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