Pitfalls in the Photoelectron Spectroscopic Investigations of Benzyne. Photoelectron Spectrum of Cyclopentadienylideneketene

descriptionPublicationkeyboard_double_arrow_right Article 15 Jul 2010 Australia English Publisher:CSIRO PublishingJournal:Australian Journal of Chemistry, volume 63, pages 1,084-1,090 (issn: 0004-9425, eissn: 1445-0038,

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Authors: Chrostowska, Anna; Pfister-Guillouzo, Genevieve; Gracian, Francoise; Wentrup, Curt;

doi: 10.1071/ch09641

Pitfalls in the Photoelectron Spectroscopic Investigations of Benzyne. Photoelectron Spectrum of Cyclopentadienylideneketene

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Abstract

The 9.24 eV ionization energy often quoted in photoelectron spectroscopic investigations of benzyne is not due to benzyne 1 but to benzene, C6H6. The 8.9 eV ionization is not due to benzyne either but to cyclopentadienylideneketene 12 when a 10.2 eV band is also present, or to biphenylene 5 when a 7.6 eV band is simultaneously present. Cyclopentadienylideneketene 12 has been generated by flash vacuum thermolysis of four different precursors, which permit a linking of infrared, mass, and photoelectron spectroscopic observations.

Country

Australia

Related Organizations

University of Queensland
Australia
University of Pau and Pays de l'Adour
France
University of Queensland
Australia
University of Queensland
Australia

Keywords

O-benzyne, Argon matrix, Molecular-properties, Flash vacuum pyrolosis, 1600 Chemistry, Gaseous benzyne

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