期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 54, 期 12, 页码 3702-3706出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201410332
关键词
icosahedral structures; nanoclusters; silver; superatoms; X-ray diffraction
资金
- Ministry of Science and Technology of Taiwan [MOST 103-2113-M-259-003]
A novel discrete [Ag-21{S2P(OiPr)(2)}(12)](PF6) nanocluster has been synthesized and characterized by single-crystal X-ray diffraction and also NMR spectroscopy (H-1, P-31), ESI mass spectrometry, and other analytic techniques (XPS, EDS, UV/Vis spectroscopy). The Ag-21 skeleton has an unprecedented silver-centered icosahedron that is capped by eight additional metal atoms. The whole framework is protected by twelve dithiophosphate ligands. According to the spherical Jellium model, the stability of monocationic nanocluster can be described by an 8-electron superatom with 1S(2) 1P(6) configuration, as confirmed by DFT calculations.
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