Deciphering the molecular origin of the 19.3 eV electronic excitation energy of H 3 +

Chemical Science 2026 Open access

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Authors: Josene M. Toldo, Jakob K. Staab, Eduard Matito, Cina Foroutan-Nejad, Henrik Ottosson
DOI: 10.1039/d5sc09067a
Cited by: 1
References: 73

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.

Fields of Study & Subjects

Atomic and Molecular Physics Advanced Chemical Physics Studies Astrophysics and Star Formation Studies

Publication details

Journal / source
Chemical Science
Publisher
Royal Society of Chemistry (RSC)
Volume
17
Issue
10
Pages
5029–5037
Publication date
1 January 2026
Language
EN