Cu(Ii) and Ni(Ii) Complexes with Dipyridine-Containing Macrocyclic Polyamines with Different Binding Unitselectronic Supplementary Information (Esi) Available: Selected Bond Lengths [Å] and Angles [°] for [Cul1](Clo4)2 (Table S1) and for [Nil1](Clo4)2 (Table S2); Absorption Spectra of L2 in the Presence of Cu(Ii) (1 ∶ 1 Molar Ratio) at Different Ph Values (Fig. S1). See Http://Www.rsc.org/Suppdata/Dt/B2/B211904H/