Publication | Closed Access
[Ag<sub>21</sub>{S<sub>2</sub>P(O<i>i</i>Pr)<sub>2</sub>}<sub>12</sub>]<sup>+</sup>: An Eight‐Electron Superatom
233
Citations
50
References
2015
Year
EngineeringNuclear PhysicsNanoclusterMetal NanoparticlesChemistrySingle-crystal X-ray DiffractionElectron SpectroscopyUnprecedented Silver-centered IcosahedronMetal-organic PolyhedronMaterials ScienceInorganic ChemistryPhysicsNanotechnologyAtomic PhysicsPhysical ChemistryQuantum ChemistryCrystallographyCrystal Structure DesignEight‐electron SuperatomNanomaterialsNatural SciencesApplied PhysicsCluster ChemistryAg21 Skeleton
A novel discrete [Ag21{S2P(OiPr)2}12](PF6) nanocluster has been synthesized and characterized by single-crystal X-ray diffraction and also NMR spectroscopy ((1)H, (31)P), ESI mass spectrometry, and other analytic techniques (XPS, EDS, UV/Vis spectroscopy). The Ag21 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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