M═CR2 (M = U, Y) Diphosphonioalkylidene and U≡O Terminal Oxo Multiple Bond Interactions Encoded in 13C and 17O Nuclear Magnetic Resonance Chemical Shift Anisotropies: Correlations of M═C Bond Order to Chemical Shift Tensors. - Baker CF; Davis M; Seed JA; Sakho A; Bonham KL; Wooles AJ; Adams RW; Lee D; Liddle ST (Journal of the American Chemical Society, 2026)