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The trihydrogen cation or protonated molecular hydrogen (IUPAC name: hydrogenonium ion) is a cation (positive ion) with formula H + 3, consisting of three hydrogen nuclei sharing two electrons. The trihydrogen cation is one of the most abundant ions in the universe.
3 ions can be made in a duoplasmatron where an electric discharge passed through low pressure molecular hydrogen. This causes some H 2 to become H + 2. Then H 2 + H + 2 → H + 3 + H. The reaction is exothermic with an energy of 1.7 eV, so the ions produced are hot with much vibrational energy.
Hydron: general name referring to the positive ion of any hydrogen isotope (H +) Proton: 1 H + (i.e. the cation of protium) Deuteron: 2 H +, D + Triton: 3 H +, T + In addition, the ions produced by the reaction of these cations with water as well as their hydrates are called hydrogen ions: Hydronium ion: H 3 O + Zundel cation: H 5 O 2 + (named ...
Ozone, O 3 Trihydrogen cation, H 3 + Homonuclear triatomic molecules contain three of the same kind of atom. That molecule will be an allotrope of that element. Ozone, O 3 is an example of a triatomic molecule with all atoms the same. Triatomic hydrogen, H 3, is unstable and breaks up spontaneously.
Other oxonium ions are found when water is in acidic solution with other solvents. [20] Although exotic on Earth, one of the most common ions in the universe is the H + 3 ion, known as protonated molecular hydrogen or the trihydrogen cation. [21]
The two electrons go into the bonding orbital, resulting in a net bonding effect and constituting a chemical bond among all three atoms. In many common bonds of this type, the bonding orbital is shifted towards two of the three atoms instead of being spread equally among all three. Example molecules with 3c–2e bonds are the trihydrogen cation ...
Triatomic hydrogen (H 3), an unstable molecule; Trihydrogen cation (H + 3), one of the most abundant ions in the universe; Tritium (3 H), or hydrogen-3, an isotope of hydrogen; ATC code H03 Thyroid therapy, a subgroup of the Anatomical Therapeutic Chemical Classification System
A hydrogen molecular ion cluster or hydrogen cluster ion is a positively charged cluster of hydrogen molecules. The hydrogen molecular ion (H + 2) and trihydrogen ion (H + 3) are well defined molecular species. However hydrogen also forms singly charged clusters (H + n) with n up to 120.