CAS 12184-90-6
:Hydrogen, ion (H21+)
Description:
The substance referred to as "Hydrogen, ion (H21+)" with the CAS number 12184-90-6 is a representation of a hydrogen ion, specifically a dication, which is an ion of hydrogen that has lost two electrons. This ion is not commonly encountered in typical chemical contexts, as hydrogen typically exists as a monovalent cation (H+). The H21+ ion is of interest primarily in specialized fields such as plasma physics and certain theoretical studies. In terms of characteristics, it would be highly reactive due to its positive charge and the absence of electrons, making it a strong Lewis acid. Its formation generally requires extreme conditions, such as those found in high-energy environments like stars or certain laboratory settings. The stability of such an ion is limited, and it tends to quickly react with other species to regain a more stable electronic configuration. Overall, while H21+ is an intriguing concept in theoretical chemistry, it is not a stable or commonly observed species in practical applications.
Formula:H2
InChI:InChI=1S/H2/h1H
InChI key:InChIKey=UFHFLCQGNIYNRP-UHFFFAOYSA-N
SMILES:[H][H]
Synonyms:- Hydrogen (H2+)
- Hydrogen molecular ion (H21+)
- Hydrogen molecular ion(1+)
- Molecular hydrogen(1+)
- Hydrogen, ion (H21+)
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