X-ray diffraction study of Y2W3O12 3H2O

Under ordinary conditions, yttrium tungstate exists in the form of the trihydrate Y2W3O12· 3H2O and has a monoclinic structure (sp. gr. P2/m; a= 14.308 A, b= 4.354 A, c= 12.430 A, β = 119.78°). The dehydration Y2W3O12· 3H2O → Y2W3O12occurs at ≃142°C.