Self-assembly patterns of non-metalloid silver thiolates: structural, HR-ESI-MS and stability studies

Abstract

Screening of AgNO3/AgStBu solutions in DMF, DMSO and NMP resulted in an isolation of three novel nanosized silver/thiolate complexes with a torus-like {Ag20(StBu)10} core. The structures of [NO3@Ag20(StBu)10(NO3)9(DMF)6] (1) and...

Recent progress in dichalcophosphate coinage metal clusters and superatoms

“…Equally interesting are so-called superatoms, 1,[11][12][13] polynuclear metal (Ag, Au, Pd, and Pt) species, in which valence electrons occupy atomic-like, discrete electronic levels (1S, 1P, 2S, 1D, 1F, etc.). 11 Generally, superatoms feature ''magic'' electron counts (2,8,18,20,34 to 40, 58, 92, etc. ), 1,[11][12][13] which are referred to as the number of electrons needed to close successive electronic shells of the cluster core.…”

“…14 An almost unlimited set of C-, P-, S-, Se-and Te-donating ligands, as well as their ability to modulate the structure of clusters and tune their properties, open up wide prospects for the design of the most fascinating cluster complexes. Up to now, a plethora of Cu, Ag and Au clusters supported by chalcogenide, [15][16][17][18] phosphine, 19,20 carbene, 21 alkynyl, 22,23 and polyoxometalate 24 anions were assembled. Other remarkable families of supporting ligands for stable group 11 metal clusters are dichalcophosphates ([(RO) 2 PE 2 ] À ) (E = S or Se), 25,26 which are readily available on a large scale from the cheapest starting reagents -P 2 S 5 or P 2 Se 5 and diverse alcohols.…”

Anion-templated silver thiolated clusters affected by carboxylate ligands

“…; 23,24 (ii) other widely used templates, such as S 2− , NO 3 − , CO 3 2− , SO 4 2− , CrO 4 2− , etc. ; [25][26][27][28][29][30][31] (iii) polyoxometalate (POM) templates, which have also become a research hotspot recently; and polyoxymolyb-date and polyoxytungstate templates are commonly used, such as Mo 7 O 26 10− , W 7 O 26 10− , etc. 32,33 Notably, POMs comprise a class of inorganic oxygen-rich clusters with high negative charge numbers and versatile topologies that are capable of coordinating with d-and f-group metals to produce interesting structures.…”

“…; 23,24 (ii) other widely used templates, such as S 2− , NO 3 − , CO 3 2− , SO 4 2− , CrO 4 2− , etc. ; 25–31 (iii) polyoxometalate (POM) templates, which have also become a research hotspot recently; and polyoxymolybdate and polyoxytungstate templates are commonly used, such as Mo 7 O 26 10− , W 7 O 26 10− , etc . 32,33…”