A DFT and Semiempirical Model-Based Study of Opioid Receptor Affinity and Selectivity in a Group of Molecules with a Morphine Structural Core

Table 6

Squared correlation coefficients for the variables appearing in (18).

	𝜂5	𝐹11(LUMO)	𝜔13	𝑄^max15
𝜂5	1.0
𝐹11(LUMO)	0.004	1.0
𝜔13	0.05	0.20	1.0
𝑄^max15	0.0006	0.02	0.25	1.0