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

Table 8

Squared correlation coefficients for the variables appearing in (19).

	𝐹8(HOMO−2)	𝐹10(HOMO−2)	𝑆^𝐸11	𝜇12
𝐹8(HOMO−2)	1.0
𝐹10(HOMO−2)	0.04	1.0
𝑆^𝐸11	0.06	0.03	1.0
𝜇12	0.02	0.04	0.06	1.0