Multinuclear Magnetic Resonance Investigation of Crystalline Alkali Molybdates

作者：Wren John E C; Greer Brandon J; Michaelis Vladimir K; Higman Carolyn S; Kroeker Scott^*

来源：Inorganic Chemistry, 2015, 54(20): 9853-9861.

DOI：10.1021/acs.inorgchem.5b01556

A variety of crystalline alkali molybdate phases are characterized by Na-23, Cs-133, and Mo-95 magic-angle-spinning nuclear magnetic resonance (MAS NMR) to provide spectroscopic handles for studies of devitrification products in borosilicate nuclear waste glasses. The NMR parameters obtained from line-shape simulations are plotted as a function of various structural parameters to discern trends that may prove useful in the determination of unknown phases. These are applied to Cs3Na(MoO4)(2), the most common precipitate found in cesium- and molybdenum-bearing model nuclear waste glasses, the crystal structure of which has determined, to provide structural constraints that may guide the refinement of powder X-ray diffraction data.

• 出版日期2015-10-19