A set of copper(I) complexes with the general formula [CuBr(PPh3)(N^N)] (N^N = 2,2'-bipyridine (1), 1,10-phenanthroline (2), 4,4'-dimethyl-2,2'-bipyridine (3), 4,4'-dimethoxy-2,2'-bipyridine (4), 3-(2-pyridyl)-4,5-diphenyl-1,2,4-triaine (5), 4,7-diphenyl-1,10-phenanthroline (6),...