Selective Formation of Heterometallic Ru–Ag Supramolecules via Stoichiometric Control of Multiple Different Tectons

Stoichiometric control of Ru, Ag, and tetrazolyl ligands resulted in the formation of different heterometallic Ru–Ag supramolecular architectures. Although the reaction of Ru and 5-(2-hydroxyphenyl)-1H-tetrazolyl (LH2) in a molar ratio of 2:1 or 6:4 resulted in the formation of dimeric or hexameric Ru complexes, Ag metal ions caused the Ru complexes to form three-dimensional cylindrical Ru6Ag6L6 and double-cone-shaped Ru6Ag8L6 complexes by occupying vacant coordination sites.通过对钌（Ru）、银（Ag）与四唑基配体（tetrazolyl ligand）进行化学计量控制，可得到不同结构的异金属钌-银超分子组装体。尽管以摩尔比2:1或6:4让钌与5-(2-羟基苯基)-1H-四唑基配体（LH2）发生反应，仅能生成二聚体或六聚体钌配合物；而银金属离子可通过占据空配位位点，诱导该类钌配合物形成三维圆柱状Ru6Ag6L6与双锥状Ru6Ag8L6配合物。