“…13,14 There has been extensive research into metal halide complexes and salts with quinoline (Quin) and substituted quinoline molecules as ligands or cations (in their protonated form, QuinH), of the general form (Quin)2MX2 and (QuinH)2 [MX4], and into the relationship between the structures of those compounds and their magnetic behavior. 15,16,17,18,19,20,21,22 Quinoline is a useful ligand due to its size, which can effectively separate the magnetic species into a variety of lattice types. Ideally, this keeps the magnetic exchange in one or two dimensions, leading to changes in the nature of the magnetic interactions.…”