Functionalised Terpyridines and Their Metal Complexes—Solid-State Interactions

Analysis of the weak interactions within crystal structures 33 complexes various 4′-aromatic derivatives 2,2′:6′,2″-terpyridine (tpy) shows that exceed dispersion are dominated, as expected, by cation⋯anion contacts but associated with both ligand–ligand and ligand–solvent contacts, sometimes multicentred, in generally complicated arrays, probably largely determined between stacked aromatic units. With V(V) coordinating cation, there is evidence polarisation ligand results an interaction exceeding at a carbon bound to nitrogen oxygen or fluorine, unseen M(II) (M = Fe, Co, Ni, Cu, Zn, Ru Cd) complexes, except when 1,2,3-trimethoxyphenyl substituents present 4′-tpy.