Table 6. Quantum Chemical Descriptors (in eV) of the Ligand and Its Cu(II) Complexes.

	HOMO	LUMO	Eg	χ	μ	η	σ	ω	Nu
IQL	–6.02438	–2.61531	3.409	4.320	–4.320	1.705	0.293	5.474	0.183
CuL	–5.87308	–3.81126	2.062	4.842	–4.842	1.031	0.485	11.372	0.088
CuL2	–6.42165	–3.16700	3.255	4.794	–4.794	1.627	0.307	7.062	0.142