Observation of SOMO-HOMO inversion in a polycyclic conjugated hydrocarbon

Fuente: arXiv
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Autori principali: Mishra, Shantanu, Vilas-Varela, Manuel, Fatayer, Shadi, Albrecht, Florian, Peña, Diego, Gross, Leo
Natura: Preprint
Pubblicazione: 2024
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author Mishra, Shantanu
Vilas-Varela, Manuel
Fatayer, Shadi
Albrecht, Florian
Peña, Diego
Gross, Leo
author_facet Mishra, Shantanu
Vilas-Varela, Manuel
Fatayer, Shadi
Albrecht, Florian
Peña, Diego
Gross, Leo
contents We report the generation of a non-benzenoid polycyclic conjugated hydrocarbon, which consists of a biphenyl moiety substituted by indenyl units at the 4,4' positions, on ultra-thin sodium chloride films by tip-induced chemistry. Single-molecule characterization by scanning tunneling and atomic force microscopy reveals an open-shell biradical ground state, with a peculiar electronic configuration wherein the singly-occupied molecular orbitals (SOMOs) are lower in energy than the highest occupied molecular orbital (HOMO).
format Preprint
id arxiv_https___arxiv_org_abs_2403_01484
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Observation of SOMO-HOMO inversion in a polycyclic conjugated hydrocarbon
Mishra, Shantanu
Vilas-Varela, Manuel
Fatayer, Shadi
Albrecht, Florian
Peña, Diego
Gross, Leo
Mesoscale and Nanoscale Physics
We report the generation of a non-benzenoid polycyclic conjugated hydrocarbon, which consists of a biphenyl moiety substituted by indenyl units at the 4,4' positions, on ultra-thin sodium chloride films by tip-induced chemistry. Single-molecule characterization by scanning tunneling and atomic force microscopy reveals an open-shell biradical ground state, with a peculiar electronic configuration wherein the singly-occupied molecular orbitals (SOMOs) are lower in energy than the highest occupied molecular orbital (HOMO).
title Observation of SOMO-HOMO inversion in a polycyclic conjugated hydrocarbon
topic Mesoscale and Nanoscale Physics
url https://arxiv.org/abs/2403.01484