The study aims to investigate the molecular origin of the 19.3 eV electronic excitation energy in the trihydrogen cation, H3+.
Theoretical analysis of molecular properties
Examination of electronic excitation states
Investigation of antiaromatic characteristics
Identified that antiaromatic destabilization occurs in the lowest excited states
Determined the significance of this phenomenon in H3+
Concluded that unique properties of H3+ arise from its electronic structure
Abstract
The trihydrogen cation, H 3 + , is unique in the Universe. One of the features that enable its uniqueness is an antiaromatic destabilization in its lowest electronically excited states.