Photodetachment velocity map imaging of the 1A'- 2A' transition in the AuOH anion

Bradley Visser, Matthew Addicoat, Jason Gascooke, Xinxing Zhang, Kit Bowen, Warren Lawrance, Gregory Metha

    Research output: Contribution to journalArticlepeer-review

    5 Citations (Scopus)

    Abstract

    A velocity map imaging spectrometer was used to investigate the (X1A AuOH+e-←X2A AuOH-+hν) photodetachment transition at 560 nm. The extracted spectrum shows a well-defined vibrational progression, ω3′, with a frequency of 567(5) cm-1. The adiabatic electron affinity is assigned to 1.695(5) eV and the presence of a vibrational hot band allows the determination of the corresponding anion frequency to 431(20) cm-1. This represents a re-assignment of the photoelectron spectrum previously reported by Zheng et al. [1]. A Franck-Condon simulation based on coupled cluster calculations is in excellent agreement with the observed vibronic progression.

    Original languageEnglish
    Pages (from-to)164-167
    Number of pages4
    JournalChemical Physics Letters
    Volume625
    DOIs
    Publication statusPublished - 1 Apr 2015

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