Quadrupole and chemical shift interactions of 27Al in aluminium molybdate from satellite transition magic angle spinning NMR

Aluminium molybdate (Al2(MoO4)3) contains four inequivalent aluminium sites spread over an isotropic chemical shift range of only ≈3 ppm. Satellite transition magic angle spinning NMR spectroscopy is employed to deduce the quadrupole (both Cq and η) and isotropic chemical shift interactions at the four sites for the first time.