Abstract
A series of ternary tin oxides has been studied by high-resolution solid state 119Sn magic angle spinning n.m.r. spectroscopy. Linear correlations were observed between the 119Sn chemical shift and the cation radius in compounds of the type MSnO3 and M2SnO4. Significant chemical shift anisotropies have been identified with bond-angle and bond-length distortions of the SnO6octahedra present in these phases, although no straightforward relationship was seen between the chemical shift tensor asymmetry and the crystallographic site symmetry. Spin–spin coupling was observed in several compounds between chemically equivalent but magnetically inequivalent 119Sn and 117Sn nuclei separated by Sn–O–Sn bonds.
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