Methenium
In organic chemistry, methenium (also called methylium, carbenium, methyl cation, or protonated methylene) is a cation with the formula CH+
3. It can be viewed as a methylene radical (:CH
2) with an added proton (H+
), or as a methyl radical (•CH
3) with one electron removed. It is a carbocation and an enium ion, making it the simplest of the carbenium ions.
| Names | |
|---|---|
| Preferred IUPAC name
Methylium | |
| Other names
Methyl cation; Carbanylium | |
| Identifiers | |
3D model (JSmol) |
|
| 1839325 | |
| ChEBI | |
| ChemSpider | |
| 48893 | |
PubChem CID |
|
| UNII | |
CompTox Dashboard (EPA) |
|
| |
| |
| Properties | |
| CH3+ | |
| Molar mass | 15.034 g·mol−1 |
| Related compounds | |
Related isoelectronic |
borane |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
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