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A new binding motif of sterically demanding thiolates on a gold cluster.

Authors
  • Nishigaki, Jun-ichi
  • Tsunoyama, Risako
  • Tsunoyama, Hironori
  • Ichikuni, Nobuyuki
  • Yamazoe, Seiji
  • Negishi, Yuichi
  • Ito, Mikinao
  • Matsuo, Tsukasa
  • Tamao, Kohei
  • Tsukuda, Tatsuya
Type
Published Article
Journal
Journal of the American Chemical Society
Publisher
American Chemical Society
Publication Date
Sep 05, 2012
Volume
134
Issue
35
Pages
14295–14297
Identifiers
DOI: 10.1021/ja305477a
PMID: 22900890
Source
Medline
License
Unknown

Abstract

A gold cluster, Au(41)(S-Eind)(12), was synthesized by ligating the bulky arenethiol 1,1,3,3,5,5,7,7-octaethyl-s-hydrindacene-4-thiol (Eind-SH) to preformed Au clusters. Extended X-ray absorption fine structure, X-ray photoelectron spectroscopy, and the fragmentation pattern in the mass spectrometry analysis indicated that formation of gold-thiolate oligomers at the interface was suppressed, in sharp contrast to conventional thiolate-protected Au clusters.

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