Issue 16, 2005
From the journal:

Dalton Transactions

A new 19-metal-atom cluster [(Me2PhP)10Au12Ag7(NO3)9] with a nearly staggered–staggered M5 ring configuration†

Keiko Nunokawa,a   Mitsuhiro Ito,a   Tetsuya Sunahara,a   Satoru Onaka,*a   Tomoji Ozeki,b   Hirokazu Chiba,b   Yasuhiro Funahashi,c   Hideki Masuda,c   Tetsu Yonezawa,d   Hiroshi Nishihara,d   Masami Nakamotoe  and  Mari Yamamotoe  

* Corresponding authors

a Department of Environmental Technology, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, Japan
E-mail: onaka.satoru@nitech.ac.jp

b Department of Chemistry and Materials Science, Tokyo Institute of Technology, 2-12-1, O-okayama, Meguro-ku, Tokyo, Japan

c Department of Applied Chemistry, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, Japan

d Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan

e Osaka Municipal Technical Research Institute, 1-6-50, Morinomiya, Joto-ku, Osaka, Japan

Abstract

New mixed metal clusters with M19 metal frameworks have been synthesized by NaBH4 reduction of Au(NO3)(PMe2Ph) together with AgNO3 in ethanol. Single crystal X-ray diffraction has revealed Au12Ag7 and Au17Ag2 metal skeletons for these clusters, which are best described in terms of bicapped pentagonal antiprismatic cages with a staggered–staggered M5 ring configuration. These clusters connect the missing link between M13 icosahedral and M25 biicosahedral clusters providing a view of the cluster growth process. A TEM image of this cluster has been observed, which has clearly demonstrated single-sized nano-particles of less than 1.0 nm.

Graphical abstract: A new 19-metal-atom cluster [(Me2PhP)10Au12Ag7(NO3)9] with a nearly staggered–staggered M5 ring configuration

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Article information

DOI
https://doi.org/10.1039/B503434E
Article type
Paper
Submitted
08 Mar 2005
Accepted
22 Jun 2005
First published
11 Jul 2005

Dalton Trans., 2005, 2726-2730

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A new 19-metal-atom cluster [(Me2PhP)10Au12Ag7(NO3)9] with a nearly staggered–staggered M5 ring configuration

K. Nunokawa, M. Ito, T. Sunahara, S. Onaka, T. Ozeki, H. Chiba, Y. Funahashi, H. Masuda, T. Yonezawa, H. Nishihara, M. Nakamoto and M. Yamamoto, Dalton Trans., 2005, 2726 DOI: 10.1039/B503434E

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