Stoichiometric Formation of Open-Shell [PtAu₂₄(SC₂H₄Ph)₁₈]⁻ via Spontaneous Electron Proportionation between [PtAu₂₄(SC₂H₄Ph)₁₈]^2– and [PtAu₂₄(SC₂H₄Ph)₁₈]⁰

Abstract

Scheme 1. Structures of (a) [Au 25 (SR) 18 ] − and (b) [MAu 24 (SR) 18 ] 0 (M = Pt, Pd) a a R moieties are omitted for clarity. Communication pubs.acs.org/JACS

Ligand-protected gold/silver superatoms: current status and emerging trends

“…62 The Au/Ag composition was controlled over a wide range simply by the mixing ratio of the clusters. It was proposed that this intercluster metal exchange may proceed via a dimerized intermediate, [ 64 Ligand exchange of preformed superatoms is a versatile strategy to tune their properties while retaining the core structures. For example, the thermal stabilities of Au 11 (8e) and Au 13 (8e) are enhanced by replacing phosphine with NHC 65 and thiolate with selenolate, 66,67 respectively.…”

Atomically Precise Alloy Nanoclusters

“…This is the largest number of different heteroelements among all the alloy NCs introduced in this review.F or Au 24 Pt(PET) 18 2À ,h ave been synthesized. [129] DFT calculations of these Au 25Àx M x (SR) 18 alloy NCs have been actively conducted. [130][131][132][133][134][135] Figures 13 A-G show the geometrical structures of [73,[136][137][138][139][140] For Au 22 Ir 3 (PET) 18 (Figure 13 A), SC-XRD analysis has not been performed, soi ts geometrical structure was estimated by DFT calculation.…”

“…This is the largest number of different heteroelements among all the alloy NCs introduced in this review. For Au 24 Pt(PET) 18 , NCs with three charge states, [Au 24 Pt(PET) 18 ] 0 , [Au 24 Pt(PET) 18 ] − , and [Au 24 Pt(PET) 18 ] 2− , have been synthesized [129] . DFT calculations of these Au 25− x M x (SR) 18 alloy NCs have been actively conducted [130–135] …”

The mechanism of metal exchange in non-metallic nanoclusters

“…We substituted gold atoms in fcc structured Au 28 and Au 36 Doped nanoclusters provide an ideal model for understanding the metal synergy effect at the atomic level. [1][2][3][4][5][6][7][8][9][10][11][12][13][14] However, doping a specic number of hetero-metal atoms at specic positions is a great challenge in the synthesis of doped metal nanoclusters with maintained structure. [15][16][17][18][19] Metal displacement reactions based on standard electrode potentials are widely used in metal extraction and alloying.…”