Potassium-Crownether Host-Guest Cation Directing the Assembly of a Unique Eicosanuclear Supra-Cubic Cage-Like W/S/Cu Cluster

作者：Zhang, Jin-Fang^*; Chen, Wei-Tao; Wang, Yin-Lin; Zhang, Chi

来源：Journal of Cluster Science, 2015, 26(3): 973-982.

DOI：10.1007/s10876-014-0789-y

• Heterothiometallic W/S/Cu cluster
• Eicosanuclear supra-cubic cage
• Host-guest cation

A unique eicosanuclear heterothiometallic W/S/Cu octameric cluster [K(dibenzo-18-crown-6)(DMF)(CH3CN)](4)[W8S32Cu12] (1), induced by potassium-crownether host-guest cation, was synthesized by the reaction of (NH4)(2)WS4, CuI, KI, dibenzo-18-crown-6 in DMF. 1 was characterized by elemental analyses, IR, UV-Vis, thermogravimetric analyses (TGA), X-ray powder and single crystal diffractions. The cation of 1 has the host-guest configuration, where K+ is embeded in the center of dibenzo-18-crown-6. The anionic architecture of 1 exhibits a supra-cubic cage, constructed by four nest-shaped clusters [W(A mu(1)-S)(A mu(3)-S)(3)Cu-3](+) and four flywheel-shaped clusters [W(A mu(2)-S)(3)(A mu(4)-S)Cu-3](+) linking each other through shared Cu atoms.

• 出版日期2015-5
• 单位江南大学; 江苏大学