Fig. 4. TD-DFT determined frontier molecular orbitals of the precursor fragments (ArPZnE, ArPPtE, Rf₃PZnE, Rf₃PZnArPPtE, E-TDQ-E, and E-BTD-E) plotted as 0.02 isodensity surfaces along with the corresponding calculated energy levels. Calculations were performed at the M11/6-311g(d) theory level.