Observation of SOMO-HOMO Inversion in a Neutral Polycyclic Conjugated Hydrocarbon.
ACS Nano
; 18(24): 15898-15904, 2024 Jun 18.
Article
em En
| MEDLINE
| ID: mdl-38833667
ABSTRACT
We report the generation of a nonbenzenoid polycyclic conjugated hydrocarbon, which consists of a biphenyl moiety substituted by indenyl units at the 4,4' positions, on ultrathin 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).
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MEDLINE
Idioma:
En
Ano de publicação:
2024
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Article