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Surface science of soft scorpionates

Wallace, Dawn and Quinn, Edward John and Armstrong, David and Reglinski, J. and Spicer, M.D. and Smith, W.E. (2010) Surface science of soft scorpionates. Inorganic Chemistry, 49 (4). pp. 1420-1427. ISSN 0020-1669

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Abstract

The chemisorption of the soft scorpionate Li[PhTmMe] onto silver and gold surfaces is reported. Surface enhanced Raman spectroscopy in combination with the Raman analysis of suitable structural models, namely, [Cu(κ3-S,S,S-PhTmMe)(PCy3)], [Ag(κ3-S,S,S-PhTmMe)(PCy3)], [Ag(κ2-S,S-PhTmMe)(PEt3)], and [Au(κ1-S-PhTmMe)(PCy3)], are employed to identify the manner in which this potentially tridentate ligand binds to these surfaces. On colloidal silver surface-enhanced Raman spectroscopy (SERS) spectra are consistent with PhTmMe binding in a didentate fashion to the surface, holding the aryl group in close proximity to the surface. In contrast, on gold colloid, we observe that the species prefers a monodentate coordination in which the aryl group is not in close proximity to the surface.

Item type: Article
ID code: 27565
Keywords: scorpionates, inorganic chemistry, chemisorption, spectroscopy, Chemistry, Physical and Theoretical Chemistry, Inorganic Chemistry
Subjects: Science > Chemistry
Department: Faculty of Science > Pure and Applied Chemistry
Related URLs:
    Depositing user: Mrs Gillian Neeson
    Date Deposited: 01 Oct 2010 16:41
    Last modified: 30 May 2014 05:01
    URI: http://strathprints.strath.ac.uk/id/eprint/27565

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