A Cagelike Polyanion with a Ag+ Enwrapped, [AgAs2Mo15O54](11-)

作者：Zhang, Yanping; Li, Lili; Sun, Tao; Liu, Bin; Hu, Huaiming; Xue, Ganglin^*

来源：Inorganic Chemistry, 2011, 50(6): 2613-2618.

DOI：10.1021/ic102459r

• POLYOXOMETALATE-DIPHOSPHATE COMPLEXES
• MOLYBDATE-CATALYZED HYDROLYSIS
• CRYSTAL-STRUCTURE
• HYDROTHERMAL SYNTHESIS
• 21-TUNGSTO-9-ANTIMONATE HETEROPOLYANION
• MOLECULAR-STRUCTURE
• NUCLEATION PROCESS
• MASS-SPECTROMETRY
• LANTHANIDE
• ANIONS

The polyanion [AgAs2Mo15O54](11-) has an unusual cage-like structure composed of [AsMo6O27](15-) and [AsMo6O24](9-) subunits connected by three MoO4 tetrahedra, and a Ag+ cation is inclosed at the center of the cage and coordinated by two As atoms with a As-Ag-As bond angle of 180 degrees along with three mu(3)-oxo groups from Moat tetrahedra to lead to a trigonal-pyramidal coordination geometry. The compound was also characterized by IR, X-ray photoelectron spectroscopy, fluorescent spectroscopy, and thermogravimetry-differential scanning calorimetry. The stability of [AgAs2Mo15O54](11-) in aqueous solution was investigated by using electronic absorbance spectroscopy and electrospray ionization mass spectrometry.

• 出版日期2011-3-21
• 单位西北大学