Spectroscopic observation of gold-dicarbide: Photodetachment and velocity map imaging of the AuC2 anion

Bradley Visser, Matthew Addicoat, Jason Gascooke, Warren Lawrance, Gregory Metha

    Research output: Contribution to journalArticlepeer-review

    13 Citations (Scopus)

    Abstract

    Photoelectron spectra following photodetachment of the gold dicarbide anion, AuC 2-, have been recorded using the velocity map imaging technique at several excitation wavelengths. The binding energy spectra show well-defined vibrational structure which, with the aid of computational calculations and Franck-Condon simulations, was assigned to a progression in the Au-C stretching mode, ν3. The experimental data indicate that the features in the spectrum correspond to a 2A′ ← 3A′ transition, involving states which we calculate to have bond angles ∼147° but with a low barrier to linearity.

    Original languageEnglish
    Article number174310
    Pages (from-to)174310
    Number of pages10
    JournalJournal of Chemical Physics
    Volume138
    Issue number17
    DOIs
    Publication statusPublished - 7 May 2013

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