As part of our continuing investigations of the influence of stereochemical demands of ligands on the spectroscopy of transition metal complexes [1], we have prepared a series of copper(H) complexes with ligands derived from the Schiff base reaction of 2-pyridinecarboxaldehyde or 6-methyl-2-pyridinecarboxaldehyde and various aliphatic amines [2]. These imine complexes are structurally similar to some dicopper(II) complexes which have interesting optical and magnetic properties [3]. The complexes, differing only in steric bulk, are a systematic method of studying the effects of the steric bulk of the ligand on the spectroscopy of the copper(H) complex.