Understanding 6Li MAS NMR spectra of Li2MSiO4 materials (M=Mn, Fe, Zn)

► Relation between 6Li MAS NMR spectra and the structure of Li2MSiO4. ► Sideband patterns and arrangement of cations within first coordination sphere of Li. ► Isotropic shifts in the spectra of Li2MnSiO4 determined by hyperfine interactions. ► Each Li-O-Mn bond contributes −20 to −40 ppm to the isotropic shift. ► Isotropic shift in spectra of Li2FeSiO4 a sum of hyperfine and pseudo-contact shift.