Photoelectron spectroscopy study of orbital interactions. Ethynylfurans

Igor Novak, Siu Choon Ng, Shengxi Jin, Hsing Hua Huang, Wei Huang

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


He I and He II photoelectron spectra (UPS) of isomeric mono- and bis(ethynyl)furans were recorded. The assignment of spectra was based on empirical considerations (bandwidths, He II/He I intensity variations, comparison with spectra of related molecules) and ab initio calculations. The details of orbital interactions between the ring and ethynyl π orbitals were deduced solely on the basis of experimental data. These interactions were studied for several classes of π isoelectronic molecules.

Original languageEnglish
Pages (from-to)3501-3504
Number of pages4
JournalJournal of Physical Chemistry A
Issue number19
Publication statusPublished - 08 May 1997


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