Crystal chemistry of the gold (I) trimer, Au3(NC5H4)3

Formation of hourglass figures and self-association through aurophilic attraction

Akari Hayashi, Marilyn M. Olmstead, Saeed Attar, Alan L. Balch

Research output: Contribution to journalArticle

69 Citations (Scopus)

Abstract

X-ray crystallography reveals that individual molecules of Au3(NC5H4)3 self-associate through aurophilic interactions into two distinct structural motifs that involve both extended chains of molecules connected by pairwise Au···Au contacts and individual Au···Au contacts and discrete dimers linked by pairwise Au···Au contacts. The colorless or pale yellow crystals are remarkable for the formation of a distinct hourglass shape within the crystals that develops after months of standing in the atmosphere or after immersion in 4 M hydrochloric acid for a few days. The hourglass figures appear to result from the deposition of gold and are unusual in being formed by a chemical reaction within a crystal rather than as a result of dying the crystal during growth.

Original languageEnglish
Pages (from-to)5791-5795
Number of pages5
JournalJournal of the American Chemical Society
Volume124
Issue number20
DOIs
Publication statusPublished - May 22 2002
Externally publishedYes

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Crystal chemistry
Hydrochloric Acid
X Ray Crystallography
Immersion
Crystallization
Atmosphere
Gold
Association reactions
Crystals
Molecules
X ray crystallography
Hydrochloric acid
Crystal growth
Dimers
Chemical reactions

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Crystal chemistry of the gold (I) trimer, Au3(NC5H4)3 : Formation of hourglass figures and self-association through aurophilic attraction. / Hayashi, Akari; Olmstead, Marilyn M.; Attar, Saeed; Balch, Alan L.

In: Journal of the American Chemical Society, Vol. 124, No. 20, 22.05.2002, p. 5791-5795.

Research output: Contribution to journalArticle

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