Au(S–C 6 F 5 ) and Au(S–C 6 F 4 –CF 3 ): Reactivity, Structure, DSC, and Calculation Studies

Reactions of HS-Ar f (S–Ar f = S–C 6 F 5, S–C 6 F 4 –CF 3) with Au I utilizing a new atom-economy method result in corresponding Au (S–Ar f) n metal–organic coordination polymers, which were studied by DSC, SEM-EDX, TGA, IR, and PL. Treatment of these complexes with pyridine under mild conditions results in the transformation of the starting polymers into new Au (py) 2 Au (S–Ar f) 2 n complexes of the polymeric structure, which were isolated and characterized by single-crystal X-ray diffraction (SCXRD). The linear Au (py) 2 + cations combine with linear Au (S–Ar f) 2 − anions via Au···Au interactions into infinite chains. Such interactions were studied by quantum-chemical calculations. Treatment of Au (S–C 6 F 4 –CF 3) n with DMSO gives crystals of Au 4 (S–C 6 F 4 –CF 3) 4 n · n DMSO that have a unique polymeric structure.