UPS study of intramolecular interactions

Igor Novak, Branka Kovač

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


HeI photoelectron spectra (UPS) of pyrazabole and cubane-1,4-dicarboxylic acid dimethyl ester were recorded and analyzed using semi-empirical calculations. The efficiency of BH2 fragment in relaying interactions between pyrazole rings was determined. The cubane ester was studied because of possible through-bond interactions between carboxyl groups relayed via the rigid cubane skeleton. The energies of orbitals associated with COOMe group fall within the energy level gap between t2g+t2u and eg manifolds in cubane and it is interesting to determine which mechanism is operational for COOMe-COOMe interactions.

Original languageEnglish
Pages (from-to)175-177
Number of pages3
JournalJournal of Electron Spectroscopy and Related Phenomena
Issue number2-3
Publication statusPublished - Feb 2001


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