Fig. 3. (A) Labelling of cycHC[8] protons, (B) C–H···F distances between the host proton 2ax and SbF6 – from the X-ray structure; all (CH2)4 groups are omitted for clarity, (C) 1H NMR in MeOD of (a) free cycHC[8], (b) cycHC[8] with 0.6 eq. of NaSbF6 at 288 K (c) cycHC[8] with 10 eq. of NaSbF6 at 288 K; (d) SbF6 –@cycHC[8] and free cycHC[8] formed from cycHC[8] with 0.6 eq. of NaSbF6 at 229 K.
