Orange-yellow crystals of the title compound were obtained from the reaction of [NH4] 2 [WO2S2], CuI, and bpe· Br2 (1: 3: 2) in DMF solution. And the crystal system is trigonal, space group P–3 c 1, with unit cell parameters a= 13.9730 (15) Å, b= 13.9730 Å, c= 18.1365 (19) Å, and Z= 2. This cluster compound possesses a wheel-shaped supramolecular structure containing tetranuclear cluster core. Supplemental materials are available for ...