Synthesis and Crystal Structures of the Ligand‐Stabilized Silver Chalcogenide Clusters [Ag154Se77(dppxy)18], [Ag320(StBu)60S130(dppp)12], [Ag352S128(StC5H11)96], and [Ag490S188(StC5H11)114]

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139

摘要:

The reaction of silver thiolates with Se(SiMe3)2 or S(SiMe3)2 in the presence of bidentate phosphanes leads to the formation of very large cluster molecules with distorted spherical metal-chalcogenide cores with diameters of 2-4 nm. The surfaces of these cores are protected by thiolate and phosphane ligands. Structural analyses show a higher degree of disorder with increasing number of Ag atoms. The compound with the highest silver content (see figure) has an idealized formulation [Ag 490S188(StC5H11)114]. (Figure Presented).

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DOI:

10.1002/anie.200704249

被引量:

378

年份:

2008

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2010
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