The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.
Ubiquitous 8 and 29 kDa Gold:Alkanethiolate Cluster Compounds: Mass-Spectrometric Determination of Molecular Formulas and Structural Implications
Abstract
The molecular formulas and charge state distributions of thus-far known ubiquitous alkanethiolate-protected gold clusters with core-masses of 8 and 29 kDa were assessed using electrospray ionization mass spectrometry. The 8 and 29 kDa clusters were determined to be composed of single species, [Au38(SCn)24]z and [Au144(SCn)59]z, respectively, with charge states of z >/= 0. Possible geometric structures for Au38(SCn)24 and Au144(SCn)59 are discussed, based on the structures of relevant systems that have been recently determined experimentally and theoretically: [Au25(SR)18]- and Au102(SR)44, in which the Au cores are protected by monomers [-SR-Au-SR-] and/or dimers [-SR-Au-SR-Au-SR-]. Their preferential formation and chemical robustness are proposed as being associated with high stability due to geometric factors, while the Au-thiolate interface takes on common motifs regardless of the underlying Au core.
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Metadata
- Authors
- Chaki, N. K., Negishi, Y., Tsunoyama, H., Shichibu, Y., & Tsukuda, T.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-06-12
- Volume
- 130
- Issue
- 27
- Pages
- 8608-8610
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2029510139
- Cited by
- 393
- References
- 35
- FWCI
- 15.33
- Type
- journal article
- Language
- en
- Open access
- closed
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