Chakraborty, Indranath ; Mahata, Shrabani ; Mitra, Anuradha ; De, Goutam ; Pradeep, Thalappil (2014) Controlled synthesis and characterization of the elusive thiolated Ag55cluster Dalton Transactions, 43 (48). pp. 17904-17907. ISSN 1477-9226
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Official URL: http://doi.org/10.1039/c4dt02476a
Related URL: http://dx.doi.org/10.1039/c4dt02476a
Abstract
A stable, Ag55 cluster protected with 4-(tert-butyl)benzyl mercaptan (BBSH) was synthesized which exhibits two prominent absorption bands with maxima at 2.25 and 2.81 eV. A molecular ion peak at m/z 11 500 ± 20 in matrix assisted laser desorption ionization mass spectrum (MALDI MS), assigned to Ag55(BBS)31 was observed. Electrospray ionization (ESI MS) shows a prominent trication along with higher charged species. An analogous Ag55(PET)31 (PET = 2-phenylethanethiol, in the thiolate form) was also synthesized under optimized conditions which proves the amenability of this cluster and the synthetic methodology to other ligands.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Royal Society of Chemistry. |
| ID Code: | 130742 |
| Deposited On: | 29 Nov 2022 10:41 |
| Last Modified: | 29 Nov 2022 10:41 |
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