Two Distinct Dimeric Heterothiometallic W/S/Cu Clusters with Effective Photocatalystic Property

摘要

Two heterothiometallic W/S/Cu dimeric clusters, {[WS4Cu4Cl2(phen)(2)](2)center dot MeCN} (1) and {[CuCl(phen)(2)](2)[WOS3Cu3Cl2(phen)](2)} (2), were synthesized by the reactions of 1,10-phenanthroline (phen), CuCl and (NH4)(2)WS4 or (NH4)(2)WOS3, in DMF. 1 and 2 were characterized by elemental analyses, IR, UV-Vis, X-ray powder and single crystal diffractions. 1 exhibits a rare dimeric architecture, constructed by two parallel pentanuclear planar 'open' [WS4Cu4Cl2(phen)(2)] clusters linked together via a pair of mu (2)-Cl bridges. While 2 consists of the five-coordinated cation [CuCl(phen)(2)](+) and the dimeric anionic cluster {[WOS3Cu3Cl2(phen)](2)}(2-), which is fabricated by a pair of tetranuclear nest-shaped clusters, connected by two mu (2)-Cl bridges. Moreover, the photocatalytic activities of heterothiometallic clusters were firstly explored by monitoring the photodegradation of methylene blue (MB), which reveals that 1 and 2 both exhibit effective photocatalytic properties under Xe-illuminator irradiation.