Three new quaternary mixed anion complexes of lanthanides were prepared from the water/ethanol solution under slight acidity condition and characterized by elemental analysis, IR, UV spectra and single crystal X ray diffraction analysis.

• 在水?乙醇溶液中合成了3 种四元混合阴离子配合物， 用元素分析、IR、UV 及单晶X射线衍射进行了表征。