δ-Bonding in the [Pd4(μ4-C9H9)(μ4-C8H8)]+ sandwich complex

A remarkable triple-decker sandwich complex [Pd(4)(μ(4)-C(9)H(9))(μ(4)-C(8)H(8))][BAr(f)(4)] (BAr(f)(4) = B{3,5-(CF(3))(2)(C(6)H(3))}(4)) composed of cyclono...