Observation of SOMO-HOMO Inversion in a Neutral Polycyclic Conjugated Hydrocarbon.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 38833667.
- Also identified by DOI 10.1021/acsnano.4c03257 and PMC identifier 11191738.
- No licence information is recorded for this record.
- Because redistribution is not established, this page shows the abstract only. Follow the links below for the full text.
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).