Free energy contributions (ΔΔG°/kJ mol⁻¹) to the stability of complex A of the DMC due to the four heterocycle–aromatic interactions.

Guest	R	Solvent
		Water	Chloroform
PPNO		−13.0 ± 0.8	−6.3 ± 0.8
5		−17.8 ± 0.7	−10.9 ± 1.0
6		−12.8 ± 0.8	−6.1 ± 1.5
7		−13.8 ± 0.8	−3.0 ± 0.6
8		−14.6 ± 0.8	−2.1 ± 0.8
9		−12.3 ± 0.8	−6.6 ± 1.0
10		−8.7 ± 1.3	−5.6 ± 0.8
11		−9.4 ± 0.6	−6.1 ± 0.8
12		−11.8 ± 1.1	−5.7 ± 1.8
13		−12.2 ± 0.8	−8.3 ± 1.3
14		−12.4 ± 1.4	−6.3 ± 0.7
15		−11.7 ± 0.8	−4.8 ± 0.8