Construction of Silver Clusters Capped by Zwitterionic Ethynide Ligands
Autor: | Yang-Lin Shen, Yunpeng Xie, Jian-Lin Shi, Jun-Ling Jin, Xing Lu, Jun-Jie Fang, Zheng Liu |
---|---|
Rok vydání: | 2021 |
Předmět: | |
Zdroj: | Inorganic Chemistry. 60:6276-6282 |
ISSN: | 1520-510X 0020-1669 |
DOI: | 10.1021/acs.inorgchem.0c03790 |
Popis: | A zwitterionic ligand 3-(triethylammonio)propyne (TAP) has been employed to construct nine silver ethynide compounds for the first time. Single-crystal X-ray analyses reveal that compounds 1 and 2 are silver ethynide assemblies based on the Ag3 subunits and clusters 3-8 are small discrete clusters of Ag3, Ag6, Ag8, and Ag12, respectively, ligated by the bulky TAP ligand with different auxiliary ligands. In addition, upon acquiring the tripod-like tBuPO32-, a unprecedented 80 nuclei silver ethynide cluster was isolated and determined to be [(CF3CO2)5@Ag80(TAP)14(tBuPO3)16(CF3CO2)24]19+ by crystallography and thermogravimetric analysis. The C1 symmetry of Ag80 was deconstructed to be two [Ag40(TAP)7(tBuPO3)8(CF3CO2)12]12+ secondary building subunits arranged in a cross way, with five CF3CO2- trapped in the center. These results highlight that the elaborate selection of ethynide ligands is of great importance in the synthesis of novel silver ethynide clusters. |
Databáze: | OpenAIRE |
Externí odkaz: |