DFT geometry optimized structure of K[IVtBu]·diox; all hydrogen atoms were removed for clarity. Important bond lengths (Å) and angles (deg): Pd–C1 2.322, Pd–C26 2.067, K–N 2.839, K–C48 3.180, K–C50 3.141, K–C51 3.285, K–C52 3.398, K–C53 3.430, K–C49 3.298, P1–Pd–P2 145.0, C1–Pd–C26 159.4.