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The electronic state for a trihydrogen cation with an electron delocalized around it is a Rydberg state. [6] The outer electron can be boosted to high Rydberg state, and can ionise if the energy gets to 29562.6 cm −1 above the 2pA 2" state, in which case H + 3 forms. [7]
The structure of H + 3 The MO diagram of the trihydrogen cation. The three hydrogen atoms in the molecule form an equilateral triangle , with a bond length of 0.90 Å on each side. The bonding among the atoms is a three-center two-electron bond , a delocalized resonance hybrid type of structure.
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. H 3 +, the trihydrogen cation is stable by itself and is symmetric.
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 ...
Configurations of elements 109 and above are not available. Predictions from reliable sources have been used for these elements. Grayed out electron numbers indicate subshells filled to their maximum. Bracketed noble gas symbols on the left represent inner configurations that are the same in each period. Written out, these are: He, 2, helium : 1s 2
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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
The following other wikis use this file: Usage on de.wikipedia.org Protonierter Wasserstoff; Usage on es.wikipedia.org Hidrógeno molecular protonado