Figure 3.

ORTEP diagram of ^QLCu^I with hydrogen atoms and the B(C₆F₅)₄ counteranion omitted for clarity. Selected bond lengths are: Cu–N_pyridine(1) 1.988(2) Å, Cu–N_pyridine(3) 2.006(2) Å, Cu–N_{alkylamine(2)} 2.185(2) Å, and Cu–N_quinoline(4) 2.012(2) Å. Selected bond angles are: N_pyridyl(avg)–Cu–N_{alkylamine(2)} 82.84(8)°, N_pyridyl(1)–Cu–N_pyridyl(3) 123.63(8)°, N_pyridyl(1)–Cu–N_quinolyl(4) 119.95(8)°, N_amine(2)–Cu–N_quinolyl(4) 82.58(7)°, and N_pyridyl(3)–Cu–N_quinolyl(4) 111.70(8)°.⁶⁸