- In
organic chemistry,
methenium (also
called methylium, carbenium,
methyl cation, or
protonated methylene) is a
cation with the
formula CH+ 3. It can...
- diphenylcarbenium, (C6H5)2CH+ (di-substituted
methenium) triphenylcarbenium, (C6H5)3C+ (tri-substituted
methenium)
carbynium ions (protonated carbynes) have...
- CH3 may
refer to:
Channel 3 (band)
Channel 3 (Thai
television network)
Methenium (methyl cation)
Methyl group (in chemistry)
Methyl radical (in chemistry)...
- a
positively charged carbon atom.
Among the
simplest examples are the
methenium CH+ 3,
methanium CH+ 5,
acylium ions RCO+, and
vinyl C 2H+ 3 cations....
- 34–46. Bibcode:2017CPL...672...34S. doi:10.1016/j.cplett.2017.01.045.
Methenium Ammonium Ethanium Chemistry,
International Union of Pure and
Applied (2009)...
-
mostly as
unstable species in low-pressure gas mixtures.
These include methenium or
methyl cation CH+3,
methane cation CH+4, and
methanium or protonated...
-
radical species. For example, the
methanol radical cation fragments into a
methenium cation CH+3 and a
hydroxyl radical. In
naphthalene the
unfragmented radical...
- mol−1
Appearance Colourless gas
Solubility in
water Reacts Conjugate acid
Methenium Thermochemistry Std
molar entropy (S⦵298) 193.93 J K−1 mol−1 Std enthalpy...
-
quite corrosive to metals. Its
first ionization potential (yielding the
methenium ion, CH+ 3) is 9.837±0.005 eV. The
carbon centre in
methyl can bond with...
-
fluorine atoms as
substituents in
place of its
hydrogen atoms.
Compared to
methenium (the
simplest carbenium ion),
trifluoromethyl cation is more
stable due...
