Crystal structure of bis-[(acetato-κO)(imidazolidine-2-thione-κS)bis-(tri-phenyl-phosphane-κP)silver(I)] di-μ-imidazol-idine-2-thione-κ(4) S:S-bis-[(imidazol-id-ine-2-thione-κS)bis-(tri-phenyl-phosphane-κP)silver(I)] di-acetate aceto-nitrile disolvate tetra-hydrate.

Arunpatcha Nimthong-Roldán,Janejira Ratthiwan,Yupa Wattanakanjana,Sawanya Lakmas

doi:10.1107/s205698901600308x

Abstract

In the title compound, [Ag2(C3H6N2S)4(C18H15P)2](C2H3O2)2·[Ag(C2H3O2)(C3H6N2S)(C18H15P)2]2·2C2H3N·4H2O, the Ag(I) ion in the mononuclear neutral complex exhibits a distorted tetra-hedral environment with coordination by two P atoms from tri-phenyl-phosphane (PPh3) ligands, one S atom of an imidazolidine-2-thione (etu) ligand and one O atom of an acetate anion. The binuclear cationic complex comprises two inversion-related [Ag(C3H6N2S)2(C18H15P)] units with Ag(I) ions bridged by two S atoms from etu ligands forming a four-membered Ag-S-Ag-S ring. Each Ag(I) ion is coordinated by a P atom of a PPh3 ligand, two S atoms of bridging etu ligands and the terminal S atom of an etu ligand in a distorted tetra-hedral environment. In the crystal, the mononuclear complex is linked to lattice water mol-ecules through O-H⋯O and N-H⋯O hydrogen bonds, forming a chain along [100]. In addition, the binuclear complex mol-ecules are connected to acetate anions and lattice water mol-ecules via O-H⋯O, N-H⋯O and O-H⋯S hydrogen bonds, also along [100].

Highlights

P atoms from triphenylphosphane (PPh3) ligands, one S atom of an imidazolidine-2-thione ligand and one O atom of an acetate anion
[Ag(C3H6N2S)2(C18H15P)] units with AgI ions bridged by two S atoms from etu ligands forming a four-membered Ag–S–Ag–S ring
Each AgI ion is coordinated by a P atom of a PPh3 ligand, two S atoms of bridging etu ligands and the terminal S atom of an etu ligand in a distorted tetrahedral environment

Summary

Chemical context

Silver(I) complexes containing S- or P-donor ligands have received much attention because of their potential applications in biochemistry (Isab et al, 2010; Nawaz et al, 2011) and their luminescent properties (Ferrari et al, 2007). The crystal structure of the title compound, [Ag(CH3COO)(C3H6N2S)(C 18 H 15 P) 2 ] 2 [Ag 2 (C 3 H 6 N 2 S) 4 (C 18 H 15 P) 2 ](CH 3 COO) 2 2CH3CN4H2O, is presented

Structural commentary

Supramolecular features

Synthesis and crystallization

Refinement