Hexanuclear Silver(I) Hexamethylene Dithiocarbamate Cluster [Ag6{S2CN(CH2)6}6]·2CH2Cl2: Preparation, Molecular Structure (Manifestation of Argentophilic Interaction), and Thermal Behavior

Binding of Gold(III) from Solutions by the [Ag6{S2CN(CH2)6}6] Cluster: Synthesis, Thermal Behavior, and Self-Organization of the Supramolecular Structure of the Double Complex [Au{S2CN(CH2)6}2]2[AgCl2]Cl·2CHCl3 (Role of Secondary Au⋅⋅⋅Cl, Ag⋅⋅⋅S, and Cl⋅⋅⋅Cl Interactions)

“…Thus, all absorption bands discussed lie between the frequency ranges of the ordinary ν(C-N) (1350-1250 cm -1 ) and double ν(C=N) (1690-1640 cm -1 ) bonds, indicating a substantial contribution of double bonding to the formally ordinary N-C(S)S bonds [25]. However, according to the data obtained, much shorter N-C(S)S bonds than those in the initial silver(I) complex (1.335 Å [17]) are expected for complex I.…”

“…The strong interaction of vibrations of the C-H, C-C, and C-N bonds in the HmDtc ligands predetermines a complicated IR spectral pattern of complex I and substance Ia. Therefore, when analyzing the spectrum, we additionally used the IR spectral data for the initial [Ag 6 {S 2 CN(CH 2 ) 6 } 6 ] cluster [17] [23], and chloroform СНCl 3 . 1 The IR spectra of compounds I/Ia exhibit absorption bands at 2926/2920 and 2844/ 2849 cm -1 due to stretching vibrations ν as (СН 2 ) and ν s (СН 2 ), respectively.…”

“…Continuing the above research, in this work we studied the reaction of the hexanuclear silver(I) cyclohexamethylenedithiocarbamate (HmDtc) cluster, whose structure was determined earlier [17], with AuCl 3 in a 5.15 M solution of NaCl. Bis(N,N-cyclohexamethylenedithiocarbamato-S,S ')gold (III) dichloroargentate chloride solvated by chloroform of the composition [Au{S 2 CN(CH 2 ) 6 } 2 ] 2 [AgCl 2 ]Cl•2CHCl 3 (I) was preparatively isolated from the reaction products as the form of binding gold(III).…”

“…EXPERIMENTAL Sodium N,N-cyclo-hexamethylenedithiocarbamate Na{S 2 CN(CH 2 ) 6 }•2H 2 O was synthesized by the reaction of hexamethyleneimine (Aldrich) with carbon sulfide (Merck) in an alkaline medium [18]. The initial silver(I) complex [Ag 6 {S 2 CN(CH 2 ) 6 } 6 ] was synthesized using a described procedure [17].…”

Structural Diversity and Argentophilic Interactions in Small Phosphine Silver(I) Thiolate Clusters

“…In general, the occurrence of argentophilic interactions is mostly proposed over the base of van der Waals distances [38–41] . Although the presence of this kind of contacts in the silver clusters is normally stated, [42–44] its role in the cluster stabilization has just recently attracted some attention [45] …”